WO2022229232A1 - Composition - Google Patents
Composition Download PDFInfo
- Publication number
- WO2022229232A1 WO2022229232A1 PCT/EP2022/061124 EP2022061124W WO2022229232A1 WO 2022229232 A1 WO2022229232 A1 WO 2022229232A1 EP 2022061124 W EP2022061124 W EP 2022061124W WO 2022229232 A1 WO2022229232 A1 WO 2022229232A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- plant
- platelet
- shaped particle
- metal oxide
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
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- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P17/00—Pest repellants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
Definitions
- the present invention relates to a composition containing at least one platelet-shaped particle and a method of manufacturing the composition.
- the present invention also relates to a method of repelling one or more of insects from a plant, and a plant.
- Background Art One of the best conditions for plant growth is to prevent pest infections. The plant growth is affected when they are exposed to pests (harmful insects). In order to optimize plant growth, it is beneficial to avoid pest infections.
- One of the effective means to prevent the transmission of pests is by light control. Efforts have been made to date, such as using UV-absorbing foil to reduce the UV light of the entire house in order to limit the behavior of pests (such as DAIYASUTA- UV cut film from I ⁇ H ⁇ S Co.).
- Patent Literature Non-Patent Literature Summary of the Invention The inventors surprisingly have found that there are still one or more considerable problems for which improvements are desired, as listed below: avoiding/reducing high temperature damage of plants, UV exposure damage of plants, improvement of appearance of a plant such as color of a leaf, controlling / keeping amount of anthocyanins in a leaf, improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, ; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant.
- a new composition preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet- shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm.
- the present invention relates to a method for manufacturing the composition of the present invention, comprising at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent.
- the present invention relates to a method of repelling one or more of insects from a plant comprising; I) applying the composition of the present invention to at least one portion of a plant, preferably to at least one portion of a leaf of a plant and/or a portion of single or a plurality of stems of a plant.
- the present invention relates to a plant having at least one platelet-shaped particle, or a composition of the present invention preferably onto at least a portion of the surface of the plant.
- the present invention relates to a plant obtained or obtainable by the method of the present invention.
- the term ”plant means a multicellular organism in the kingdom Plantae that use photosynthesis to make their own food.
- the plant can be flowers, vegetables, fruits, grasses, trees, and horticultural crops (preferably flowers and horticultural crops such as herbs/ medicinal herbs, oil seed crops, wheat, soy, corn).
- the plant can be foliage plants.
- Exemplified embodiments of grasses are a Poaceae, Bambuseae (preferably sasa, Phyllostachys), Oryzeae (preferably oryza), Pooideae (preferably poeae), Triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, Hordeum vulgare, Avena sativa, Secale cereal, Andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, zea (preferably Zea mays), Sorghum bicolor, Saccharum officinarum, coix lacryma-jobi var., Paniceae (preferably Panicum), Setaria, Echinochloa (preferably Panicum miliaceum), Echinochloa esculenta, and Setaria italica.
- Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables.
- One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach), or Radish (preferably Gaillardia, Lettuce, or Rucola).
- the term “pigments” stands for materials that are insoluble in an aqueous solution and changes the color of reflected or transmitted light as the result of wavelength-selective absorption and/or reflection, e.g. Inorganic pigments, organic pigments, and inorganic-organic hybrid pigments.
- the term “dyes“ means colored substances that are soluble in an aqueous solution and changes the color as the result of wavelength-selective absorption of irradiation.
- the term “luminescent” means spontaneous emission of light by a substance not resulting from heat. It is intended to include both, phosphorescent light emission as well as fluorescent light emission.
- the term “luminescent material“ is a material that can emit either fluorescent light or phosphorescent light.
- phosphorescent light emission“ is defined as being a spin forbidden light emission from a triplet state or higher spin state (e.g. quintet) of spin multiplicity (2S+1) ⁇ 3, wherein S is the total spin angular momentum (sum of all the electron spins).
- fluorescent light emission in terms of use in inorganic luminescent materials should be understood as emission of light as a result of an electronic transition with the reverse of spin, being as such a forbidden transition with respect to the spin-selection rule.
- fluorescent light emission in terms of use in inorganic luminescent materials should be understood as emission of light as a result of an electronic transition without the reverse of spin, being as such an allowed transition with respect to the spin-selection rule.
- photon down-shifting is a process that leads to the emission of light at a longer wavelength than the excitation wavelength, e.g.
- organometallic material means material of organometallic compounds and organic compounds without any metals or metal ions.
- organometallic compounds stands for chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkaline, alkaline earth, and transition metals, e.g. Alq 3 , LiQ, Ir(ppy) 3 .
- the inorganic materials include phosphors as well as semiconductor nanoparticles.
- a “Phosphor” within the meaning of the present application is a material which absorbs electromagnetic radiation of a specific wavelength range, preferably blue and/or ultraviolet (UV) electromagnetic radiation, and converts the absorbed electromagnetic radiation into electromagnetic radiation having a different wavelength range, preferably visible (VIS) light such as violet, blue, green, yellow, orange, or red light, or the near-infrared light (NIR).
- UV electromagnetic radiation with a wavelength from 10 nm to 389nm, shorter than that of visible light but longer than X-rays.
- VIS is electromagnetic radiation with a wavelength from 390 nm to 700 nm.
- Infrared “IR” means electromagnetic radiation with a wavelength from 701 nm to 1mm.
- NIR is electromagnetic radiation with a wavelength from 701 nm to 1,500 nm.
- Semiconductor nanoparticles may have organic ligands on the outermost surface of the nanoparticles.
- emission means the emission of electromagnetic waves by electron transitions in atoms and molecules.
- transparent means at least around 60 % of incident light transmittance with the wavelength range from 400 nm to 700nm. Preferably, it is over 70 %, more preferably over 75%, and most preferably, it is over 80 %. Insects in this invention is not particularly limited.
- insects means harmful insects for a plant, which gives a damage for a plant, includes the order Hemipter(ex.
- Aulacorthum solani Aphis glycines, Myzus persicae, Aphis gossypii, Sogatella furcifera Horváth, Nilaparvatalugens, Laodelphax striatellus, Trigonotylus caelestialium, Nezara antennata, Piezodorus hybneri, Eysarcoris lewisi, Plautia crossota stali, Eysarcoris aeneus, Nezara viridula, Cacopsylla chinensis, Diaphorina citri, Trialeurodes vaporariorum, Bemisia tabaci, Orius strigicollis, Leptocorisa chinensis, Riptortus pedestris, Jacobiasca formosana, Nephotettix cincticeps, etc.), the Order Lepidoptera (ex.
- Plutella xylostella Pseudozizeeria maha, Colias erate, Parnara guttata, Adoxophyes dubia, Adoxophyes honmai, Homona magnanima, Adoxophyes orana fasciata, Trichoplusia ni, Helicoverpa armigera, Spodoptera Litura, Mamestra brassicae), the Order Coleoptera (ex.
- a composition preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet-shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm.
- said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm and/or at least a portion of infra-red light.
- the platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm and the peak maximum wavelength of infra-red light is in the range from 800 to 1800nm, more preferably from 1000 to 1500nm.
- said platelet-shaped particle contains a material selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO 3 •Pb(OH) 2 , PbCO 3 , SiO 2 , BiOCl, and Al 2 O 3 , preferably it is selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, and SiO 2 , preferably said material is a platelet-shaped support material of the platelet-shaped particle, more preferably said material is transparent in visible light.
- said platelet-shaped particles can be used. More preferably platelet-shaped particle like described in US 2003-0215627 A, US 2004-144023 A. More preferably, Iriodin® 221, 231, 211 series, such as Iriodin® 221, 231, 211 blue can be used.
- said another material is a solvent, preferably said solvent is selected from one or more members of the group consisting of water, an alcohol solvent, and ether solvent, more preferably it is selected from water, an alcohol solvent or a mixture of these.
- Known usual water can be used as said water, which can be selected from agricultural water, tap water, industrial water, pure water, distilled water, and deionized water.
- the mass ratio of said solvent(s) in the composition, to the total mass of the composition is preferably 70 - 99.95 mass %, more preferably 80 - 99.90 mass %, further preferably 90 - 99.90 mass %, furthermore preferably 95 - 99.50 mass %.
- One embodiment of the mass ratio of said water to the sum of other solvents is preferably 80 - 100 mass %, more preferably 90 - 100 mass %, further preferably 95 - 100 mass %, furthermore preferably 99 - 100 mass %.
- the said solvent is preferably water, ethanol, dimethyl ether, or a mixture thereof.
- the solvent consisting of water is one preferred embodiment to avoid unnecessary effects for animals and/or a plant.
- One preferable embodiment of said alcohol solvent is selected from ethanol, isopropanol, cyclohexanol, phenoxyethanol, benzyl alcohol, or mixture thereof.
- the more preferable embodiment of said alcohol solvent is ethanol.
- One preferable embodiment of said ether solvent is selected from dimethyl ether, propyl cellosolve, butyl cellosolve, phenyl cellosolve, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monopropyl ether, propylene glycol monobutyl ether, propylene glycol monophenyl ether, or mixture thereof.
- the more preferable embodiment of said ether solvent is dimethyl ether.
- the composition may further contain one or more of additives selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents, preferably said light luminescent material is configured to convert UV light within the wavelength range from 280 to 380 nm into a longer wavelength within the range from 381 to 700 nm, preferably it is selected from organic, inorganic phosphors or a combination of these, more preferably it is selected from inorganic phosphors.
- additives selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents, preferably said light luminescent material is configured to convert UV light within the wavelength range from 280 to 380 nm into a
- said light-emitting materials is an organic and/or inorganic light-emitting material, preferably it is an organic phosphor, inorganic phosphor and/or a semiconducting light emitting nanoparticle such as a quantum material.
- Suitable organic light emitting materials such as organic light emitting phosphors, are well known to the skilled person and described e.g. in W. M. Yen, S. Shionoya and H. Yamamoto: Phosphor Handbook, 2nd Edition (CRC Press, 2006) pp.769-774.
- the organic light emitting material preferably exhibits a quantum efficiency of at least 80% and more preferably of at least 90%.
- said organic light emitting material is selected from one or more members of the group consisting of Fluoresceins, Rhodamines, Coumarins, Pyrenes, Cyanines, Perylenes, Di-cyano- methylenes, rare earth metal complexes or transition metal complexes and more preferable selected from commercially available Perylenes, such as Lumogen-F570; Rhodamines, such as Rhodamine 6G; Coumarins, such as Coumarin 153 or Coumarin 6; the group of DY-707, 730, 732 and 750 by Funakoshi Ltd.; NK-3590 by Hayashibara Ltd.; and the group of LDS698, 720, 730, 750 and 765 by Exciton.
- Fluoresceins Fluoresceins, Rhodamines, Coumarins, Pyrenes, Cyanines, Perylenes, Di-cyano- methylenes, rare earth metal complexes or transition metal complexes and more preferable selected from commercially available Perylenes
- the phosphor comprised in the at least one inner core is not particularly limited.
- An inorganic phosphor or an organic phosphor can be used as desired.
- the phosphor is a fluorescent or a phosphorescent inorganic material which contains one or more light emitting centers (i.e., a so-called “inorganic phosphor”).
- the light emitting centers are formed by activator elements such as e.g.
- rare earth metal elements for example, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu
- transition metal elements for example Cr, Mn, Fe, Co, Ni, Cu, Ag, Au and Zn
- main group metal elements for example Na, Tl, Sn, Pb, Sb and Bi.
- Suitable phosphors include phosphors based on garnet, silicate, orthosilicate, thiogallate, sulfide, nitride, silicon-based oxynitride, nitridosilicate, nitridoaluminumsilicate, oxonitridosilicate, oxonitridoaluminumsilicate and rare earth doped sialon, spinel, perovskite, .
- the inorganic phosphor has a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 600 to 800 nm, even more preferably in the range from 620 to 780 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 650 nm to 740 nm, the most preferably from 660 nm to 730 nm; or the phosphor has a peak wavelength of light emitted from the phosphor in the range of 500 nm or less, preferably in the range from 300 nm to 500 nm, more preferably in the range from 350 nm to 495 nm, even more preferably in the range from 400 nm to 490 nm, furthermore preferably in the range from 405 nm to 490 nm, much more preferably in the range from 405 nm to
- the term peak wavelength comprises both the main peak of an emission/absorption spectrum having maximum intensity/absorption, and side peaks having smaller intensity/absorption than the main peak.
- the term peak wavelength is related to a side peak.
- the term peak wavelength is related to the main peak having maximum intensity/absorption.
- the phosphor is a nontoxic phosphor and/or an edible phosphor.
- the term “edible” means safe to eat, fit to eat, fit to be eaten, fit for human consumption.
- said inorganic phosphor is selected from the group consisting of metal-oxide phosphors and silicate phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate, and alumosilicate phosphors, sulfate, sulfide and selenide phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate-based phosphor, even more preferably it is a Mn activated metal oxide phosphor.
- said inorganic phosphor is selected from one or more members of the group consisting of (Mg,Zn)Ga 2 O 4 :Cr 3+ , Ca 2 (Ga,Al)NbO 6 :Cr 3+ , LiInSi 2 O 6 :Cr 3+ , Na 3 AlF 6 :Cr 3+ , Mg 3 Ga 2 GeO 8 :Cr 3+ , SrMgAl 10 O 17 :Cr 3+ , Na 2 TiSiO 5 :Cr 3+ , MgAl 2 O 4 :Cr 3+ , Mg 3 Ga 2 GeO 8 :Cr 3+ , Zn 3 Ga 2 Ge 2 O 10 :Cr 3
- an inorganic phosphor or its substances denaturated (e.g., degraded) from an inorganic phosphor, which less harms animals, plants, and/or environment (e.g., soil, water) is desirable.
- the phosphor is nontoxic phosphors, preferably it is edible phosphors, more preferably as edible phosphors, MgSiO 3 :Mn 2+ , MgO:Fe 3+ and/or CaMgSi 2 O 6 :Eu 2+ , Mn 2+ are useful.
- Said inorganic phosphors can be fabricated as described in WO 2019/020602 A1.
- inorganic phosphors are preferred having a peak wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm. It is believed that the peak maximum light wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm is very suitable for plant condition control, especially for plant growth promotion. Therefore, in another embodiment of the present invention, the inorganic phosphor can have at least one light absorption peak wavelength in UV and/or purple light wavelength reason from 300 nm to 430 nm.
- an inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range from 400nm to 500nm and a second peak wavelength of light emitted from the inorganic phosphor from 600 nm to 750 nm can be used preferably.
- the inorganic phosphor having the first peak wavelength of light emitted from the inorganic phosphor is in the range from 430 nm to 490 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is 450 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm, is used.
- said inorganic phosphor is a plurality of inorganic phosphors having the first and second peak wavelength of light emitted from the inorganic phosphor, or a plurality of inorganic phosphors having the first and second peak wavelength of light emitted from the inorganic phosphor, or a combination of these.
- the composition can optionally further comprise one or more additional inorganic phosphor, which emits blue or red light.
- additional inorganic phosphor which emits blue or red light.
- said polymers, oligomers are preferably selected from, each independently, organic polymers, organic oligomers, inorganic polymers, inorganic oligomers, or a mixture of thereof.
- said matrix material is a polymeric binder which enables the adhesion of the particles to a plant, more preferably it is selected from an organic, inorganic polymer or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone, polyacrylic amide, polyacrylic acid, carboxy methyl cellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resin, polyurethane, and silicone.
- said polymer and/or oligomer is a polymeric binder which enables the adhesion of the particles to a plant, more preferably it is selected from an organic, inorganic polymer or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone, polyacrylic amide, polyacrylic acid, carboxy methylcellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resins, polyurethanes, and silicones.
- An adjuvant can enhance the permeability of the effective component (e.g. an insecticide), inhibit precipitation of solute in the composition, or decrease phytotoxicity.
- said adjuvant can be selected from the group consisting of mineral oil, oil of vegetable or animal origin, alkyl esters of such oils or mixtures of such oils and oil derivatives, and combination thereof.
- a surfactant means it does not comprise or is not comprised of other additives, for example, a spreading agent, a surface treatment, and an adjuvant.
- the weight ratio of each one additive, to the weight of the coated phosphor of the invention in the total amount of the composition is in the range from 50 wt.% to 200 wt.%, more preferably it is from 75 wt.% to 150 wt.%.
- Exemplified embodiment of an adjuvant is Approach BI (Trademark, Kao Corp.).
- present invention relates to a method for manufacturing the composition of the present invention, comprising, essentially consisting of or consisting of, at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent.
- present invention relates to a method of repelling one or more of insects from a plant comprising, essentially consisting of or consisting of; I) applying the composition of the present invention to at least one portion of a plant, preferably to at least one portion of a leaf of a plant.
- the composition is applied to a surface of a single or a plurality of leaves of the plant. In some embodiments of the present invention, the composition is applied to a surface of single or a plurality of stems of the plant. In a preferred embodiment of the present invention, the average amount of the composition to be applied to the surface of the plant leaves is 0.0005 - 0.1 mL/cm 2 of the surface. In a preferred embodiment of the present invention, the composition is applied to the surface of the plant by spraying, watering, dropping, dipping, coating or combination of thereof. In a preferred embodiment of the present invention, the composition is applied one or more times during the growing season of the plant.
- the composition is applied to at least one portion of a living organism and/or an agricultural material, with gas, preferably said gas is air, nitrogen gas, CO 2 gas or a combination of these.
- gas preferably said gas is air, nitrogen gas, CO 2 gas or a combination of these.
- the composition can be applied to at least one portion of a plant (preferably to the surface of the plant leaves) by powdering, loading, or combination thereof, preferably by powdering.
- An applied amount of the composition as average can be 0.000001 - 0.001g/cm 2 , preferably 0.00001 - 0.0001g/cm 2 , and more preferably 0.00003 - 0.00008g/cm 2 .
- the leaves area of 1 plant can be measured by a known method and device.
- a leaf area meter can be used to measure it.
- One embodiment is a LI3000C Area Meter (Li-COR Corp.).
- the leaves area can be measured by separating all leaves from 1 plant body, getting a photo image or scan each 1 leaf, and processing these images.
- the areas of any part of a plant (for example photosynthesis organ) can be measured by the known method also.
- the composition comprises a solvent(s)
- the composition can be applied to at least one portion of a plant (preferably to the surface of the plant leaves) by spraying, watering, dropping, dipping, coating, or combination of thereof, preferably by spraying.
- One embodiment of said coating is brush coating.
- An average amount of the composition to be applied to at least one portion of a plant can be 0.0005 - 0.1 mL/cm 2 of the surface, preferably 0.001 - 0.01 mL/cm 2 of the surface.
- the composition can be applied one or more times during the growing season of the plant. Growing season can be a period from the first photosynthesis organ (e.g., leaf) develop until the whole flesh weight of a plant become plateaued.
- the total timing of the composition to be applied can be controlled by applied amount and/or additive(s).
- a spreading agent can help the phosphor remain on the plant (preferably leaves).
- the timing can be 1 - 10 times/1 plant generation, preferably 1 - 5 times/1 plant generation, more preferably 1 - 4 times/1 plant generation.
- the plant can be flowers, vegetables, fruits, grasses, trees and horticultural crops (preferably flowers and horticultural crops, more preferably flowers).
- the plant can be foliage plants.
- Exemplified embodiments of grasses are a Poaceae, Bambuseae (preferably sasa, phyllostachys), Oryzeae (preferably oryza), Pooideae (preferably poeae), Triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, hordeum vulgare, avena sativa, secale cereal, andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, Zea (preferably Zea mays), Sorghum bicolor, Saccharum officinarum, coix lacryma-jobi var., paniceae (preferably panicum), setaria, echinochloa (preferably panicum miliaceum), Echinochloa esculenta, and Setaria italica.
- Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables.
- One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach), Radish (preferably Gaillardia, Lettuce, or Rucola), Campanularapunculus, Rudbeckia, Edamame (Glycine max), or Arabidopsis thaliana (preferably Gaillardia, Lettuce, Rucola, Komatsuna or Radish, more preferably Gaillardia, Lettuce, or Rucola).
- the environment of growing plant can be natural environment, a green house, a plant factory and indoor cultivation, preferably natural environment and a green house.
- One embodiment of the natural environment is an outside farm.
- the present invention further relates to a plant coated by at least one platelet-shaped particle, or a composition.
- the present invention further relates to a plant obtained or obtainable by the method of the present invention.
- a plant coated by at least one species of pigments As one embodiment, inventors provide a plant coated by at least one platelet-shaped particle. The platelet-shaped particle is set on the plant by applying the method described above. And the plant can be produced or controlled (preferably enhanced) by its photosynthesis with the applying method.
- total amount of the platelet-shaped particle on the plant is in the range of 0.000001 - 0.001g/cm 2 , preferably 0.00001 - 0.0001 g/cm 2 , more preferably 0.00003 - 0.00008 g/cm 2 .
- compositions and/or platelet-shaped particle for improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of the color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids preferably by blue light; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, the vitamin content of plants; controlling of secondary metabolites (polyphenols, anthocyanins); controlling of disease resistance of plants; controlling of ripening of fruits, or controlling of the weight of the plant.
- a composition preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet-shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm. 2.
- composition of embodiment 1, wherein said another material is a solvent preferably said solvent is selected from one or more members of the group consisting of water, an alcohol solvent and ether solvent.
- the composition of embodiment 1 or 2 further comprises an additive selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents, preferably said light luminescent material is configured to convert UV light within the wavelength range from 280 to 380 nm into a longer wavelength within the range from 381 to 750 nm, preferably it is selected from organic, inorganic phosphors or a combination of these, more preferably it is selected from inorganic phosphors.
- composition of any one of embodiments 1 to 3, further comprises another type of platelet shaped particle different from the platelet shaped particle of any one of embodiments 1 to 3, preferably said another type of platelet shaped particle is configured to reflect at least a portion of light in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm, and/or at least a portion of infra-red light, more preferably it is configured to reflect at least a portion of light in the range from 100 to 600nm and a portion of infra-red light, more preferably it is an interference pigment, more preferably it is a multilayer interference pigment. 5.
- said platelet shaped support material is selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO 3 •Pb(OH) 2 , PbCO 3 , SiO 2 , BiOCl and Al 2 O 3, preferably said 1 st metal oxide layer and the 2 nd metal oxide layer are stacked over the platelet shaped support material in this sequence, more preferably said 2 nd metal oxide layer may be coated with another 1 st metal oxide layer.
- composition of any one of embodiments 1 to 10, wherein said matrix material is a polymeric binder which enables the adhesion of the particles to a plant more preferably it is selected from an organic, inorganic polymers or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone, polyacrylic amide, polyacrylic acid, carboxy methyl cellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resin, polyurethane and silicone. 12.
- Method for manufacturing the composition of any one of embodiments 1 to 11, comprising at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent. 13.
- Method of repelling one or more of insects from a plant comprising; I) applying the composition of any one of embodiments 1 to 11 to at least one portion of a plant, preferably to at least one portion of a leaf of a plant. 14. The method of embodiment 13, wherein the composition is applied to a surface of a single or a plurality of leaves of the plant. 15.
- gas preferably said gas is air, nitrogen gas, CO 2 gas or a combination of these.
- the present invention provides one or more of following effects and advantages: harmful insect repellent from a plant, improvement of appearance of a plant such as color of a leaf, controlling / keeping amount of anthocyanins in a leaf, improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits,
- Working Examples Working Example 1 Fifteen Rucola (27 days after sowing) in test plot A and fifteen Rucola (27 days after sowing) in test plot B are prepared in the same preparing condition.10mL of a spreading agent (Approach BI, Trade mark, Kao Corp.) is added into 10L of water, and the mixture is stirred. Pigments (Iriodin® 221 blue from Merck) is added to the resultant solution to be 1.0 % mass concentration (1.0 mass %). Finally, aqueous solution containing 1 wt% of pigments (Iriodin® 221 blue from Merck) is obtained.
- a spreading agent Approach BI, Trade mark, Kao Corp.
- test plot A All plants in the test plot A are then sprayed with the obtained aqueous solution. All plants in the test plot B are not sprayed with the aqueous solution. Then, the test plot A and the test plot B are placed on a planner surface in parallel with keeping the distance around 10cm each other, where the sun light is available during daytime. A container that contains aphids is put in said distance (between the test plot A and the test plot B). This day is set as the first day. During this experiment, water is suplied to all the plannes everyday to keep fleshness of the plants (Rucola) accordingly. In stead of the pigmens, pigments/photonor mixutre or phosphors of the present invention may be used to form aqueous solution.
- the queous solution containing 1wt% of the pigment is sprayed again only onto the plants surface in the test plot A.
- the infection by the ashids on the plants in the test plots A and B is observed by eyes.
- the test plot A had only one infection by the aphids while the test plot B had two infected plants.
- the term “infected“ means that there is one or more of the sphides on a plant.
- such plant is counted as an infected plant.
- the difference in the number of aphid infections have increased.
- the test plot A had only two infected plants by the aphids while the test plot B had six infected plants.
- the number of infections (infected plants by the aphids) in the test plot A is suppressed to three.
- the number of infections (infected plants by the aphids) in the test plot B is 14 out of total 15 plants.
- the infection rate is at 20.0% for the pigment coated plants in the test plot A and the infenction rate of the plants in the test plot B is 93.3%.
- the infection by the ashids is significantly suppressed (nearly 1/5) by applying the pigment. It is considered that due to the influence of transmission and light reflection with specific wavelength the pigment, unfoavorable environmnet for the harmful insects such as aphids is created and it dispels harmful insects from a plant.
Abstract
The present invention relates to a composition comprising at least one platelet-shaped particle.
Description
Composition Field of the Invention The present invention relates to a composition containing at least one platelet-shaped particle and a method of manufacturing the composition. The present invention also relates to a method of repelling one or more of insects from a plant, and a plant. Background Art One of the best conditions for plant growth is to prevent pest infections. The plant growth is affected when they are exposed to pests (harmful insects). In order to optimize plant growth, it is beneficial to avoid pest infections. One of the effective means to prevent the transmission of pests is by light control. Efforts have been made to date, such as using UV-absorbing foil to reduce the UV light of the entire house in order to limit the behavior of pests (such as DAIYASUTA- UV cut film from I・H・S Co.). However, without ultraviolet rays, problems will occur such as affecting the activity of bees required for pollination, making it impossible to grow many kinds of plants that require ultraviolet light to some extent and also making it difficult to grow multiple plants. In addition, it is necessary to replace the foil for each crop, which is troublesome and costly. Also, the effect is not only because of the wavelength of the pests, but also the direction of the light is important. This makes it possible to limit the spread of pests. However, no suitable technology has ever existed to solve these problems. Patent Literature Non-Patent Literature
Summary of the Invention The inventors surprisingly have found that there are still one or more considerable problems for which improvements are desired, as listed below: avoiding/reducing high temperature damage of plants, UV exposure damage of plants, improvement of appearance of a plant such as color of a leaf, controlling / keeping amount of anthocyanins in a leaf, improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, ; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. The present inventors have found that one or more of the above-described problems can be addressed by the features as defined in the independent claims. Specifically, to solve one or more of the above-described problems, it was found a new composition, preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet- shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said
platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm. In another aspect, the present invention relates to a method for manufacturing the composition of the present invention, comprising at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent. In another aspect, the present invention relates to a method of repelling one or more of insects from a plant comprising; I) applying the composition of the present invention to at least one portion of a plant, preferably to at least one portion of a leaf of a plant and/or a portion of single or a plurality of stems of a plant. In another aspect, the present invention relates to a plant having at least one platelet-shaped particle, or a composition of the present invention preferably onto at least a portion of the surface of the plant. In another aspect, the present invention relates to a plant obtained or obtainable by the method of the present invention. Further advantages of the present invention will become evident from the following detailed description. Brief Description of the Drawings Definition of terms Unless otherwise stated, the following terms used in the specification and claims shall have the following meanings for this application.
In this application, the use of the singular includes the plural, and the words “a”, “an” and “the” mean “at least one”, unless specifically stated otherwise. In this specification, when one concept component can be exhibited by plural species, and when its amount (e.g. weight %, mol %) is described, the amount means the total amount of them, unless specifically stated otherwise. Furthermore, the use of the terms “including”, “comprising”, “containing”, as well as other forms such as “includes”, “included”, “comprises”, “comprised”, “contains” and “contained” is not limiting. Also, terms such as “element” or “component” encompass both elements or components comprising one unit and elements or components that comprise more than one unit, unless specifically stated otherwise. As used herein, the term “and/or” refers to any combination of the elements including using a single element. In the present specification, when the numerical range is shown using “to”, “-” or “~”, the numerical range includes both numbers before and after the “to”, “-” or “~”, and the unit is common for both numbers unless otherwise specified. For example, 5 to 25 mol% means 5 mol% or more, and 25 mol% or less. The section headings used herein are for organizational purposes and are not to be construed as limiting the subject matter described. All documents, or portions of documents, cited in this application, including, but not limited to, patents, patent applications, articles, books, and treatises, are hereby expressly incorporated herein by reference in their entirety for any purpose. If one or more of the incorporated pieces of literature and similar materials define a term in a manner that contradicts the definition of that term in this application, this application controls.
According to the present invention, the term ”plant” means a multicellular organism in the kingdom Plantae that use photosynthesis to make their own food. Then according to the present invention, the plant can be flowers, vegetables, fruits, grasses, trees, and horticultural crops (preferably flowers and horticultural crops such as herbs/ medicinal herbs, oil seed crops, wheat, soy, corn). As one embodiment of the invention, the plant can be foliage plants. Exemplified embodiments of grasses are a Poaceae, Bambuseae (preferably sasa, Phyllostachys), Oryzeae (preferably oryza), Pooideae (preferably poeae), Triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, Hordeum vulgare, Avena sativa, Secale cereal, Andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, zea (preferably Zea mays), Sorghum bicolor, Saccharum officinarum, coix lacryma-jobi var., Paniceae (preferably Panicum), Setaria, Echinochloa (preferably Panicum miliaceum), Echinochloa esculenta, and Setaria italica. Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables. One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach), or Radish (preferably Gaillardia, Lettuce, or Rucola). The term “pigments” stands for materials that are insoluble in an aqueous solution and changes the color of reflected or transmitted light as the result of wavelength-selective absorption and/or reflection, e.g. Inorganic pigments, organic pigments, and inorganic-organic hybrid pigments. The term “dyes“ means colored substances that are soluble in an aqueous solution and changes the color as the result of wavelength-selective absorption of irradiation.
The term “luminescent” means spontaneous emission of light by a substance not resulting from heat. It is intended to include both, phosphorescent light emission as well as fluorescent light emission. Thus, the term “luminescent material“ is a material that can emit either fluorescent light or phosphorescent light. The term “phosphorescent light emission“ is defined as being a spin forbidden light emission from a triplet state or higher spin state (e.g. quintet) of spin multiplicity (2S+1) ≥ 3, wherein S is the total spin angular momentum (sum of all the electron spins). The said term “phosphorescent light emission” in terms of use in inorganic luminescent materials should be understood as emission of light as a result of an electronic transition with the reverse of spin, being as such a forbidden transition with respect to the spin-selection rule. The term “fluorescent light emission” is a spin allowed light emission from a singlet state of spin multiplicity (2S+1) =1. The said term “fluorescent light emission” in terms of use in inorganic luminescent materials should be understood as emission of light as a result of an electronic transition without the reverse of spin, being as such an allowed transition with respect to the spin-selection rule. The term “photon down-shifting” is a process that leads to the emission of light at a longer wavelength than the excitation wavelength, e.g. by the absorption of one photon leads to the emission of light at a longer wavelength. The term “organic material“ means material of organometallic compounds and organic compounds without any metals or metal ions. The term “organometallic compounds” stands for chemical compounds containing at least one chemical bond between a carbon atom of an organic
molecule and a metal, including alkaline, alkaline earth, and transition metals, e.g. Alq3, LiQ, Ir(ppy)3. Within the meaning of the present application, the inorganic materials include phosphors as well as semiconductor nanoparticles. A “Phosphor” within the meaning of the present application is a material which absorbs electromagnetic radiation of a specific wavelength range, preferably blue and/or ultraviolet (UV) electromagnetic radiation, and converts the absorbed electromagnetic radiation into electromagnetic radiation having a different wavelength range, preferably visible (VIS) light such as violet, blue, green, yellow, orange, or red light, or the near-infrared light (NIR). Here, the term “UV” is electromagnetic radiation with a wavelength from 10 nm to 389nm, shorter than that of visible light but longer than X-rays. The term “VIS” is electromagnetic radiation with a wavelength from 390 nm to 700 nm. The term Infrared “IR” means electromagnetic radiation with a wavelength from 701 nm to 1mm. The term “NIR” is electromagnetic radiation with a wavelength from 701 nm to 1,500 nm. Semiconductor nanoparticles may have organic ligands on the outermost surface of the nanoparticles. The term “emission” means the emission of electromagnetic waves by electron transitions in atoms and molecules. According to the present invention, the term “transparent” means at least around 60 % of incident light transmittance with the wavelength range from
400 nm to 700nm. Preferably, it is over 70 %, more preferably over 75%, and most preferably, it is over 80 %. Insects in this invention is not particularly limited. Preferably the term insects means harmful insects for a plant, which gives a damage for a plant, includes the order Hemipter（ex. Aulacorthum solani, Aphis glycines, Myzus persicae, Aphis gossypii, Sogatella furcifera Horváth, Nilaparvatalugens, Laodelphax striatellus, Trigonotylus caelestialium, Nezara antennata, Piezodorus hybneri, Eysarcoris lewisi, Plautia crossota stali, Eysarcoris aeneus, Nezara viridula, Cacopsylla chinensis, Diaphorina citri, Trialeurodes vaporariorum, Bemisia tabaci, Orius strigicollis, Leptocorisa chinensis, Riptortus pedestris, Jacobiasca formosana, Nephotettix cincticeps, etc.）, the Order Lepidoptera (ex. Plutella xylostella, Pseudozizeeria maha, Colias erate, Parnara guttata, Adoxophyes dubia, Adoxophyes honmai, Homona magnanima, Adoxophyes orana fasciata, Trichoplusia ni, Helicoverpa armigera, Spodoptera Litura, Mamestra brassicae), the Order Coleoptera (ex. Rhabdoscelus lineatocollis, Anoplophora chinensis malasiaca, Anomala albopilosa, Dasylepida ishigakiensis, Oxycetonia jucunda, Melanotus okinawensis, Stegobium paniceum, Lasioderma serricorne, Phyllotreta striolata Fabricius, etc.), the Order Diptera (Neoempheria ferruginea, Drosophila melanogaster, Scatopse fuscipes Meigen, Culicoides oxystoma, Culicoides brevitarsis, Culicoides arakawae, Culicoides punctatus, Culicoides tainanus, Liriomyza huidobrensis, Liriomyza sativae, Liriomyza bryoniae, Liriomyza chinensis, Liriomyza trifolii, etc.), the Order Thysanoptera (ex. Scirtothrips dorsalis, Thrips tabaci, Thrips hawaiiensis, Frankliniella intonsa, Frankliniella occidentalis, etc.), the Order Hymenoptera (Aphidius gifuensis, etc.) Detailed Description of the Invention According to the present invention in one aspect, a composition, preferably being an agricultural composition, more preferably being an insect
repellent, comprising at least one platelet-shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm. - Platelet-shaped particle According to the present invention, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm and/or at least a portion of infra-red light. More preferably, it is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm and/or at least a portion of infra-red light and a portion of infra-red light, preferably said infra-red light is in the range from 800 to 1800nm, more preferably from 1000 to 1500nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm and the peak maximum wavelength of infra-red light is in the range from 800 to 1800nm, more preferably from 1000 to 1500nm. In a preferable embodiment of the present invention, said platelet-shaped particle contains a material selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO3•Pb(OH)2, PbCO3, SiO2, BiOCl, and Al2O3, preferably it is selected
from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, and SiO2, preferably said material is a platelet-shaped support material of the platelet-shaped particle, more preferably said material is transparent in visible light. In a preferred embodiment of the present invention, said platelet-shaped particle contains the above-mentioned material coated with at least a 1st metal oxide as a coating layer, preferably said metal oxide is selected to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm and/or a portion of IR light, more preferably said metal oxide is selected from one or more members of the group selected from TiO2 (rutile or anatase n=2.33-2.55), ZrO2 (n=2.05), Fe2O3 (n=3.0), Fe3O4, Cr2O3 (n=2.24) and ZnO (n=2.1). In a preferred embodiment of the present invention, said platelet-shaped particle contains the above-mentioned material and it is coated with at least a 1st metal oxide as a coating layer, wherein said particle further coated with a 2nd metal oxide selected from one or more members of the group consisting of SiO2 (n=1.460), Al2O3(n=1.63), AlO2H and B2O3, preferably the difference between the refractive index of the 1st metal oxide to the 2nd metal oxide is at least 0.1, preferably it is in the range from 0.1 to 1.8 at 550nm. More preferably, said platelet shaped particle is a multilayer interference pigment containing a platelet shaped support material coated with a 1st metal oxide layer and a 2nd metal oxide layer different from the 1st metal oxide layer, preferably the difference between the refractive index of the 1st metal oxide to the 2nd metal oxide is at least 0.1, preferably it is in the range from 0.1 to 1.8 at 550nm, preferably said 1st metal oxide is selected from one or more members of the group selected from TiO2 (rutile or anatase n=2.33-2.55), ZrO2 (n=2.05), Fe2O3 (n=3.0), Fe3O4, Cr2O3 (n=2.24) and ZnO (n=2.1), preferably said 2nd metal oxide selected from one or more members of the group consisting
of SiO2 (n=1.460), Al2O3(n=1.63), AlO2H and B2O, preferably said platelet shaped support material is selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO3•Pb(OH)2, PbCO3, SiO2, BiOCl and Al2O3, preferably said 1st metal oxide layer and the 2nd metal oxide layer are stacked over the platelet shaped support material in this sequence, more preferably said 2nd metal oxide layer may be coated with another 1st metal oxide layer. Publicly available said platelet-shaped particles can be used. More preferably platelet-shaped particle like described in US 2003-0215627 A, US 2004-144023 A. More preferably, Iriodin® 221, 231, 211 series, such as Iriodin® 221, 231, 211 blue can be used. - Solvent In a preferred embodiment of the present invention, said another material is a solvent, preferably said solvent is selected from one or more members of the group consisting of water, an alcohol solvent, and ether solvent, more preferably it is selected from water, an alcohol solvent or a mixture of these. Known usual water can be used as said water, which can be selected from agricultural water, tap water, industrial water, pure water, distilled water, and deionized water. The mass ratio of said solvent(s) in the composition, to the total mass of the composition, is preferably 70 - 99.95 mass %, more preferably 80 - 99.90 mass %, further preferably 90 - 99.90 mass %, furthermore preferably 95 - 99.50 mass %. One embodiment of the mass ratio of said water to the sum of other solvents is preferably 80 - 100 mass %, more preferably 90 - 100 mass %, further preferably 95 - 100 mass %, furthermore preferably 99 - 100 mass %. The said solvent is preferably water, ethanol, dimethyl ether, or a mixture thereof. The solvent consisting of water is one preferred embodiment to avoid unnecessary effects for animals and/or a plant.
One preferable embodiment of said alcohol solvent is selected from ethanol, isopropanol, cyclohexanol, phenoxyethanol, benzyl alcohol, or mixture thereof. The more preferable embodiment of said alcohol solvent is ethanol. One preferable embodiment of said ether solvent is selected from dimethyl ether, propyl cellosolve, butyl cellosolve, phenyl cellosolve, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monopropyl ether, propylene glycol monobutyl ether, propylene glycol monophenyl ether, or mixture thereof. The more preferable embodiment of said ether solvent is dimethyl ether. - Additive In a preferable embodiment of the present invention, the composition may further contain one or more of additives selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents, preferably said light luminescent material is configured to convert UV light within the wavelength range from 280 to 380 nm into a longer wavelength within the range from 381 to 700 nm, preferably it is selected from organic, inorganic phosphors or a combination of these, more preferably it is selected from inorganic phosphors. - Light-emitting material, In some embodiments of the present invention, said light-emitting materials is an organic and/or inorganic light-emitting material, preferably it is an organic phosphor, inorganic phosphor and/or a semiconducting light emitting nanoparticle such as a quantum material. Suitable organic light emitting materials, such as organic light emitting phosphors, are well known to the skilled person and described e.g. in W. M.
Yen, S. Shionoya and H. Yamamoto: Phosphor Handbook, 2nd Edition (CRC Press, 2006) pp.769-774. The organic light emitting material preferably exhibits a quantum efficiency of at least 80% and more preferably of at least 90%. In a preferred embodiment, said organic light emitting material is selected from one or more members of the group consisting of Fluoresceins, Rhodamines, Coumarins, Pyrenes, Cyanines, Perylenes, Di-cyano- methylenes, rare earth metal complexes or transition metal complexes and more preferable selected from commercially available Perylenes, such as Lumogen-F570; Rhodamines, such as Rhodamine 6G; Coumarins, such as Coumarin 153 or Coumarin 6; the group of DY-707, 730, 732 and 750 by Funakoshi Ltd.; NK-3590 by Hayashibara Ltd.; and the group of LDS698, 720, 730, 750 and 765 by Exciton. All above-mentioned organic light emitting materials are either commercially available or can be synthesized in analogy or in accordance to methods known by a skilled person. The phosphor comprised in the at least one inner core is not particularly limited. An inorganic phosphor or an organic phosphor can be used as desired. According to a preferred embodiment of the present invention, the phosphor is a fluorescent or a phosphorescent inorganic material which contains one or more light emitting centers (i.e., a so-called “inorganic phosphor”). Preferably, the light emitting centers are formed by activator elements such as e.g. atoms or ions of rare earth metal elements, for example, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and/or atoms or ions of transition metal elements, for example Cr, Mn, Fe, Co, Ni, Cu, Ag, Au and Zn, and/or atoms or ions of main group metal elements, for example Na, Tl, Sn, Pb, Sb and Bi. Examples of suitable phosphors include phosphors based on garnet, silicate, orthosilicate, thiogallate, sulfide,
nitride, silicon-based oxynitride, nitridosilicate, nitridoaluminumsilicate, oxonitridosilicate, oxonitridoaluminumsilicate and rare earth doped sialon, spinel, perovskite, . Further preferably, the inorganic phosphor has a peak wavelength of light emitted from the inorganic phosphor in the range of 600 nm or more, preferably in the range from 600 to 1500 nm, more preferably in the range from 600 to 800 nm, even more preferably in the range from 620 to 780 nm, furthermore preferably in the range from 650 to 750 nm, much more preferably it is from 650 nm to 740 nm, the most preferably from 660 nm to 730 nm; or the phosphor has a peak wavelength of light emitted from the phosphor in the range of 500 nm or less, preferably in the range from 300 nm to 500 nm, more preferably in the range from 350 nm to 495 nm, even more preferably in the range from 400 nm to 490 nm, furthermore preferably in the range from 405 nm to 490 nm, much more preferably in the range from 405 nm to 485 nm, the most preferably in the range from 405 nm to 480 nm; or the phosphor has a first peak wavelength of light emitted from the phosphor in the range of 500 nm or less, and a second peak wavelength of light emitted from the phosphor in the range of 600 nm or more, preferably the first peak wavelength of light emitted from the phosphor is in the range from 300 nm to 500 nm, and the second peak light emission wavelength is in the range from 600 nm to 1500 nm, more preferably the first peak wavelength of light emitted from the phosphor is in the range from 350 nm to 495 nm, and the second peak light emission wavelength is in the range from 600 nm to 800 nm, even more preferably the first peak wavelength of light emitted from the phosphor is in the range from 400 nm to 490 nm, and the second peak light emission wavelength is in the range from 650 nm to 780 nm, furthermore preferably the first peak wavelength of light emitted from the
phosphor is in the range from 405 nm to 490 nm, and the second peak light emission wavelength is in the range from 650 nm to 750 nm, much more preferably the first peak wavelength of light emitted from the phosphor is in the range from 405 nm to 485 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, the most preferably the first peak wavelength of light emitted from the phosphor is in the rage from 405 nm to 480 nm and the second peak wavelength of light emitted from the phosphor is in the range from 660 nm to 730 nm. According to the present invention, the term peak wavelength comprises both the main peak of an emission/absorption spectrum having maximum intensity/absorption, and side peaks having smaller intensity/absorption than the main peak. Preferably, the term peak wavelength is related to a side peak. Preferably, the term peak wavelength is related to the main peak having maximum intensity/absorption. Further preferably, the phosphor is a nontoxic phosphor and/or an edible phosphor. According to the present invention, the term “edible” means safe to eat, fit to eat, fit to be eaten, fit for human consumption. In a still more preferred embodiment of the present invention, said inorganic phosphor is selected from the group consisting of metal-oxide phosphors and silicate phosphors, phosphate phosphors, borate and borosilicate phosphors, aluminate, gallate, and alumosilicate phosphors, sulfate, sulfide and selenide phosphors, nitride and oxynitride phosphors and SiAlON phosphors, preferably, it is a metal oxide phosphor, more preferably it is a Mn activated metal oxide phosphor or a Mn activated phosphate-based phosphor, even more preferably it is a Mn activated metal oxide phosphor.
It is believed that the Mn4+ activated metal oxide phosphors, Mn, Eu activated metal oxide phosphors, Mn2+ activated metal oxide phosphors, Fe3+ activated metal oxide phosphors can be used preferably from the viewpoint of environmentally friendliness Much more preferably, said inorganic phosphor is selected from one or more members of the group consisting of (Mg,Zn)Ga2O4:Cr3+, Ca2(Ga,Al)NbO6:Cr3+, LiInSi2O6:Cr3+, Na3AlF6:Cr3+, Mg3Ga2GeO8 :Cr3+, SrMgAl10O17:Cr3+, Na2TiSiO5:Cr3+, MgAl2O4:Cr3+, Mg3Ga2GeO8:Cr3+, Zn3Ga2Ge2O10:Cr3+, Sr2MgWO6:Cr3+, Li2ZnGe3O8:Cr3+, Mg4Ga4Ge3O16:Cr3+, La2MgGeO6:Cr3+, Na2ZnP2O7:Cr3+, Li(Al,Ga)5O8:Cr3+, Zn3Ga2GeO8:Cr3+, Ca2MgWO6:Cr3+, CaAl12O19:Cr3+, La3Ga5GeO14:Cr3+, CaY2(Ga,Sc)2Al2SiO12:Mn4+, Y2Mg3Ge3O12:Mn4+, (Sr,Ba)2MgGe2O7:Mn4+, LaScO3:Mn4+, SrLa2Sc2O7:Mn4+, SrLaScO4:Mn4+, CaYAlO4:Mn4+, SrLaAlO4:Mn4+, LaGaO3:Mn4+, (La,Gd)2(Mg,Zn)TiO6:Mn4+, YMgTiO6:Mn4+, (Ca,Sr,Ba)TiO3:Mn4+, PbTiO3:Mn4+, CaZrO3:Mn4+, La2(Mg,Zn)GeO6:Mn4+, (Ca,Sr,Ba)2(Y,La,Gd)(Nb,Ta,Sb)O6:Mn4+, (Ca,Sr,Ba)Mg(Y,La,Gd)(Nb,Ta,Sb)O6:Mn4+, LiLa2(Nb,Ta,Sb)O6:Mn4+, Sr2ZnMoO6:Mn4+, (Li,Na,K)LaMgWO6:Mn4+, (Ca,Sr,Ba)Mg2La2WO12:Mn4+, (Ca,Sr,Ba)2MgLa2WO12:Mn4+, (Ca,Sr,Ba)3La2WO12:Mn4+, (Li,Na,K)(La,Gd)MgTe6:Mn4+, Sr2ZnWO6:Mn4+, (Y,Gd,Lu)2(Ti,Sn)2O7:Mn4+, LiGaGe2O6:Mn4+, LiAlO2:Mn4+, Li2TiO3:Mn4+, Li2MgZrO4:Mn4+, (Ca,Sr,Ba)Al12O19:Mn4+, (Ca,Sr,Ba)MgAl10O17:Mn4+, Na2MgAl10O17:Mn4+, CaMg2Al16O27:Mn4+, Sr2MgAl22O36:Mn4+, Ca2Mg2Al28O46:Mn4+, CaGa2O4:Mn4+, ZnGa2O4:Mn4+, BaMg6Ti6O19:Mn4+, Li2MgTi3O8:Mn4+, Mg3Al2TiO8:Mn4+, (Mg,Zn)2TiO4:Mn4+, LiGaTiO4:Mn4+, Mg2GeO4:Mn4+, Mg4TiSnO8:Mn4+, MgB2O4:Mn4+, CaAl2O4:Mn4+, (Ca,Sr)Al4O7:Mn4+, SrAl4O7:Mn4+, Sr2Al6O11:Mn4+, Sr4Al14O25:Mn4+, Ca14Al10Zn6O35:Mn4+, Ca14Al10Zn6O35:Dy3+, Mn4+, Ca14Al10Zn6O35:Dy3+,Mn4+,Na+ , Ca3Al4ZnO10:Mn4+, Ca3Y(AlO)3(BO3)4:Mn4+, Li5AlO4:Mn4+, Li(Al,Ga)5O8:Mn4+, Sr3SiAl10O20:Mn4+, MgTiO3:Mn4+, MgAl2Si2O8:Mn4+, Na2ZnSiO4:Mn4+, Mg2Al4Si5O18:Mn4+, Sr2Ge7SiO18:Mn4+, 2MgO·GeO2:Mn4+,
2MgO·GeO2·MgF2:Mn4+, 3.5MgO·0.5MgF2·GeO2:Mn4+, 4MgO·GeO2:Mn4+, Ba2GeO4:Mn4+, (Li,Na,K)2MgGeO4:Mn4+, Sr2GeO4:Mn4+, Zn2GeO4:Mn4+, Ba2Ge4O9:Mn4+, Ba2TiGe2O8:Mn4+, BaAl2Ge2O8:Mn4+, BaGe4O9:Mn4+, K2BaGe8O18:Mn4+, K2Ge4O9:Mn4+, Li3RbGe8O18:Mn4+, (Li,Na,K,Rb)2Ge4O9:Mn4+, SrGe4O9:Mn4+, La3GaGe5O16:Mn4+, Mg14Ge5O24:Mn4+, Mg3Ga2GeO8:Mn4+, Mg4GeO6:Mn4+, Mg6ZnGa2GeO12:Mn4+, Mg7Ga2GeO12:Mn4+, Li2Mg3SnO6:Mn4+, Li2SnO3:Mn4+, Li2ZnSn2O6:Mn4+, LiSr3SbO6:Mn4+, NaSr3SbO6:Mn4+, Li2Ge4O9:Mn4+, Li3Mg2NbO6:Mn4+, Li5La3Ta2O12:Mn4+, Zn2P2O7:Mn4+, Sr9Y2W4O24:Mn4+, (Ca,Sr,Ba)3MgSi2O8:Mn4+, (Ca,Sr,Ba)2MgSi2O7:Mn4+, (Ca,Sr,Ba)MgSi2O6:Mn4+, Mg8Ge2O11F2:Mn4+ , Si5P6O25:Mn4+ , Ba2YTaO6:Mn4+, (Na,K,Rb)2(Ti,Si,Ge,Sn)F6:Mn4+, (Na,K,Rb)3(Ti,Si,Ge,Sn)F7:Mn4+, (Zn,Ba)2(Ti,Si,Ge,Sn)F6:Mn4+, K2NaAlF6:Mn4+, AlN:Mn4+, GaN:Mn4+, LiAlO2:Fe3+, LiAl5O8:Fe3+, Al4LiF0.1O6.45:Fe3+, SrAl12O19:Fe3+, NaAlSiO4:Fe3+, γ-Ca2SiO4:Ce3+, Ca3Sc2Si3O12:Ce3+, Li4SrCa(SiO4)2:Ce3+, Ca(Y,Pr)Al3O7:Ce3+, (La,Gd)Sr2AlO5:Ce3+, Sr3Al2O6:Ce3+, Sr6Y2Al4O15:Ce3+, (Li,Na)(Ca,Sr,Ba)BO3:Ce3+, NaSr4(BO)3:Ce3+, Ca2LaZr2Ga3O12:Ce3+, GaGeO4:Ce3+, Ca3(Lu,Y)2Ge3O12:Ce3+, Sr3Sc4O9:Ce3+, CaSc2O4:Ce3+, (Ca,Sr)3B2O6:Ce3+, CaYAlO4:Ce3+, (Ca,Sr)AlSiN3:Ce3+, (Ca,Sr,Ba)2Si5N8:Ce3+, CaSiN2:Ce3+, SrAlSi4N7:Ce3+, La3Si6N11:Ce3+, LaSi3N5:Ce3+, YSi3N5:Ce3+, YSiO2N:Ce3+, Y2Si3O3N4:Ce3+, Y4Si2O7N2:Ce3+, Ba2SiS4:Ce3+, CaLaGa3S6O:Ce3+, CaZnOS:Ce3+, YCaF4S2:Ce3+, (Sr,Ba)2SiO4:Eu2+, (Ca,Sr,Ba)SiO3:Eu2+, (Sr,Ba)3SiO5:Eu2+, Ca3Si2O7:Eu2+, (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu2+, (Ca,Sr,Ba)2(Mg,Zn)Si2O7:Eu2+, (Ca,Sr,Ba)3(Mg,Zn)Si2O8:Eu2+, α'L-Ca2SiO4:Eu2+, α'-CaSrSiO4:Eu2+, Li2SrSiO4:Eu2+, Sr2MgSiO5:Eu2+, Ca2Y2Si2O9:Eu2+, K4CaSi3O9:Eu2+, Ca2Al2SiO7:Eu2+, NaAlSiO4:Eu2+, Sr2Al2SiO7:Eu2+, KBaScSi3O9:Eu2+, NaBaScSi2O7:Eu2+, RbBaScSi3O9:Eu2+, (Sr,Ba)AlO2:Eu2+, (Sr,Ba)MgAl10O17:Eu2+, Sr2ScAlO5:Eu2+, Ca3(PO4)2:Eu2+, Ba2Mg(PO4)2:Eu2+, (Li,Na,K,Cs)(Mg,Ca,Sr,Ba)PO4:Eu2+, (Ca,Sr,Ba)4(PO4)2O:Eu2+, (Sr,Ba)6BP5O20:Eu2+, Ba7Zr(PO4)2:Eu2+,
Rb2CaP2O7:Eu2+, Sr3Gd(PO4)3:Eu2+, Sr8MgSc(PO4)7:Eu2+, Ca7Si2P2O16:Eu2+, (Ca,Sr,Ba)2P2O7:Eu2+, Mg3Ca3(PO4)4:Eu2+, NaMgPO4:Eu2+(olivine), Mg3(PO4)2:Eu2+, Mg3Ca3(PO4)4:Eu2+, Na3Sc2(PO4)3:Eu2+, (Li,Na)(Ca,Sr,Ba)BO3:Eu2+, (Li,Na)(Ca,Sr,Ba)BO3:Ce3+, (Ca,Sr)3B2O6:Eu2+, Ca3Y(GaO)3(BO3)4:Ce3+, Ba3Y(BO3)3:Ce3+, (Ca,Sr,Ba)5(PO4)3Cl:Eu2+, (Ca,Sr)AlSiN3:Eu2+, (Ca,Sr,Ba)2Si5N8:Eu2+, (Ca,Sr)LiAl3N4:Eu2+, (Ca,Sr,Ba)SiN2:Eu2+, SrAlSi4N7:Eu2+, SrASi6N8:Eu2+, Ba5Si11Al7N25:Eu2+, BaSi4Al3N9:Eu2+, Ba2AlSi5N9:Eu2+, BaMg3SiN4:Eu2+, (Ca,Sr,Ba)Si2O2N2:Eu2+, Ba3Si6O9N4:Eu2+, Ba3Si6O12N2:Eu2+, (Ca,Sr)3Si2O4N2:Eu2+, Sr3Si13Al3O2N21:Eu2+, Li-α-SiAlON:Eu2+, Ca-α- SiAlON:Eu2+, Sr-α-SiAlON:Eu2+, Y-α-SiAlON:Eu2+, β-SiAlON:Eu2+, Ba3Ga3N5:Eu2+, LaSrSiO3N:Eu2+, SrSi2S5:Eu2+, (Ca,Sr)S:Eu2+, CaLaGa3S7:Eu2+, (Mg,Ca,Sr,Ba,Zn)2Ga2S5:Eu2+, Sr8Al12O24S2:Eu2+, (Sr,Ba)4Al2S7:Eu2+, CaZnOS:Eu2+, KLuS2:Eu2+, Sr2ZnS3:Eu2+, (Ca,Sr)7(SiO3)6Cl2:Eu2+, Ba5SiO4Cl6:Eu2+, β-Ca3SiO4Cl2:Eu2+, Ca10(Si2O7)3Cl2:Eu2+, Ca8Mg(SiO4)4Cl2:Eu2+, Sr3.5Mg0.5Si3O8Cl4:Eu2+, Sr3Al2O5Cl2:Eu2+, Sr3GdNa(PO4)3F:Eu2+, (Ca,Sr,Ba)5(PO4)3Cl:Eu2+, Ca2Al3O6F:Eu2+, Mg2SiO4:Mn2+, CaGa2S4:Mn2+, LiCaBO3:Ce3+,Mn2+, Ca5(PO4)3F:Ce3+,Mn2+, Ca9Y(PO4)7:Ce3+,Mn2+, NaCaBO3:Ce3+,Mn2+, K2(Ca,Sr)P2O4:Ce3+,Mn2+, MgY4Si3O13:Ce3+,Mn2+, Mg3Ca3(PO4)4:Ce3+,Mn2+, CaScAlSiO6:Ce3+,Mn2+, CaY4(SiO4)3O:Ce3+,Mn2+, Ca2Gd8(SiO4)6O2:Ce3+,Mn2+, Ca3Sc2Si3O12:Ce3+,Mn2+, Ca3Y(GaO)3(BO3)4:Ce3+,Mn2+, Ca4Y6(SiO4)6O:Ce3+,Mn2+, Ba2Ca(BO3)2:Ce3+,Mn2+, Ba9Lu2Si6O24:Ce3+,Mn2+, (Ca,Sr,Ba)(Mg,Zn)Si2O6:Eu2+,Mn2+, (Ca,Sr,Ba)2(Mg,Zn)Si2O7:Eu2+,Mn2+, (Ca,Sr,Ba)3(Mg,Zn)Si2O8:Eu2+,Mn2+, Na2CaMg(PO4)2:Eu2+,Mn2+, KCaY(PO4)2:Eu2+,Mn2+, Ca-a-sialon:Eu2+,Mn2+, Ca3SiO4Cl2:Eu2+,Mn2+, Ca9Y(PO4)7:Eu2+,Mn2+, Ca9Mg(PO4)6F:Eu2+,Mn2+, Ca9Gd(PO4)7:Eu2+,Mn2+, Ca10K(PO4)7:Eu2+,Mn2+, 12CaO・7Al2O3:Eu2+,Mn2+, BaMgAl10O17:Eu2+,Mn2+, SrZnP2O7:Eu2+,Mn2+, SrMgB6O11:Eu2+,Mn2+, SrAl2Si2O8:Eu2+,Mn2+, Sr2B2P2O10:Eu2+,Mn2+, Sr3Y(PO4)3:Eu2+,Mn2+ and
deep red emitting quantum materials and graphene quantum dots, like described in the second chapter of Phosphor handbook (Yen, Shinoya, Yamamoto) and WO 2019/020602 A1. As one embodiment of the invention, an inorganic phosphor or its substances denaturated (e.g., degraded) from an inorganic phosphor, which less harms animals, plants, and/or environment (e.g., soil, water) is desirable. Thus, according to one embodiment of the invention, the phosphor is nontoxic phosphors, preferably it is edible phosphors, more preferably as edible phosphors, MgSiO3:Mn2+, MgO:Fe3+ and/or CaMgSi2O6:Eu2+, Mn2+ are useful. Said inorganic phosphors can be fabricated as described in WO 2019/020602 A1. In another embodiment of the present invention, inorganic phosphors are preferred having a peak wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm. It is believed that the peak maximum light wavelength of light emitted from the inorganic phosphor in the range from 660 nm to 710 nm is very suitable for plant condition control, especially for plant growth promotion. Therefore, in another embodiment of the present invention, the inorganic phosphor can have at least one light absorption peak wavelength in UV and/or purple light wavelength reason from 300 nm to 430 nm. In another embodiment of the present invention, from the viewpoint of improved plant growth and improved homogeneity of blue and red (or infrared) light emission from a composition or a light converting sheet, an
inorganic phosphor having a first peak wavelength of light emitted from the inorganic phosphor in the range from 400nm to 500nm and a second peak wavelength of light emitted from the inorganic phosphor from 600 nm to 750 nm can be used preferably. More preferably, the inorganic phosphor having the first peak wavelength of light emitted from the inorganic phosphor is in the range from 430 nm to 490 nm, and the second peak light emission wavelength is in the range from 660 nm to 740 nm, more preferably the first peak wavelength of light emitted from the inorganic phosphor is 450 nm and the second peak wavelength of light emitted from the inorganic phosphor is in the range from 660 nm to 710 nm, is used. Preferably, said inorganic phosphor is a plurality of inorganic phosphors having the first and second peak wavelength of light emitted from the inorganic phosphor, or a plurality of inorganic phosphors having the first and second peak wavelength of light emitted from the inorganic phosphor, or a combination of these. According to the present invention, the composition can optionally further comprise one or more additional inorganic phosphor, which emits blue or red light. - Polymers; oligomers According to the present invention, said polymers, oligomers are preferably selected from, each independently, organic polymers, organic oligomers, inorganic polymers, inorganic oligomers, or a mixture of thereof. In a further preferable embodiment of the present invention, said matrix material is a polymeric binder which enables the adhesion of the particles to a plant, more preferably it is selected from an organic, inorganic polymer or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone,
polyacrylic amide, polyacrylic acid, carboxy methyl cellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resin, polyurethane, and silicone. In a preferable embodiment of the present invention, said polymer and/or oligomer is a polymeric binder which enables the adhesion of the particles to a plant, more preferably it is selected from an organic, inorganic polymer or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone, polyacrylic amide, polyacrylic acid, carboxy methylcellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resins, polyurethanes, and silicones. - Adjuvant, dispersant, surfactant, fungicide, and antimicrobial agent An adjuvant can enhance the permeability of the effective component (e.g. an insecticide), inhibit precipitation of solute in the composition, or decrease phytotoxicity. Preferably said adjuvant can be selected from the group consisting of mineral oil, oil of vegetable or animal origin, alkyl esters of such oils or mixtures of such oils and oil derivatives, and combination thereof. Here, a surfactant means it does not comprise or is not comprised of other additives, for example, a spreading agent, a surface treatment, and an adjuvant. According to a further preferred embodiment, the weight ratio of each one additive, to the weight of the coated phosphor of the invention in the total amount of the composition is in the range from 50 wt.% to 200 wt.%, more
preferably it is from 75 wt.% to 150 wt.%. Exemplified embodiment of an adjuvant is Approach BI (Trademark, Kao Corp.). In another embodiment, present invention relates to a method for manufacturing the composition of the present invention, comprising, essentially consisting of or consisting of, at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent. In another embodiment, present invention relates to a method of repelling one or more of insects from a plant comprising, essentially consisting of or consisting of; I) applying the composition of the present invention to at least one portion of a plant, preferably to at least one portion of a leaf of a plant. In a preferred embodiment of the present invention, the composition is applied to a surface of a single or a plurality of leaves of the plant. In some embodiments of the present invention, the composition is applied to a surface of single or a plurality of stems of the plant. In a preferred embodiment of the present invention, the average amount of the composition to be applied to the surface of the plant leaves is 0.0005 - 0.1 mL/cm2 of the surface. In a preferred embodiment of the present invention, the composition is applied to the surface of the plant by spraying, watering, dropping, dipping, coating or combination of thereof.
In a preferred embodiment of the present invention, the composition is applied one or more times during the growing season of the plant. In some embodiments of the present invention, the composition is applied to at least one portion of a living organism and/or an agricultural material, with gas, preferably said gas is air, nitrogen gas, CO2 gas or a combination of these. In the case the composition doesn’t comprise any solvent, the composition can be applied to at least one portion of a plant (preferably to the surface of the plant leaves) by powdering, loading, or combination thereof, preferably by powdering. An applied amount of the composition as average can be 0.000001 - 0.001g/cm2, preferably 0.00001 - 0.0001g/cm2, and more preferably 0.00003 - 0.00008g/cm2. The leaves area of 1 plant can be measured by a known method and device. A leaf area meter can be used to measure it. One embodiment is a LI3000C Area Meter (Li-COR Corp.). The leaves area can be measured by separating all leaves from 1 plant body, getting a photo image or scan each 1 leaf, and processing these images. The areas of any part of a plant (for example photosynthesis organ) can be measured by the known method also. In the case the composition comprises a solvent(s), the composition can be applied to at least one portion of a plant (preferably to the surface of the plant leaves) by spraying, watering, dropping, dipping, coating, or combination of thereof, preferably by spraying. One embodiment of said coating is brush coating. An average amount of the composition to be applied to at least one portion of a plant (preferably to the surface of the plant leaves) can be 0.0005 - 0.1 mL/cm2 of the surface, preferably 0.001 - 0.01 mL/cm2 of the surface.
The composition can be applied one or more times during the growing season of the plant. Growing season can be a period from the first photosynthesis organ (e.g., leaf) develop until the whole flesh weight of a plant become plateaued. The total timing of the composition to be applied can be controlled by applied amount and/or additive(s). A spreading agent can help the phosphor remain on the plant (preferably leaves). The timing can be 1 - 10 times/1 plant generation, preferably 1 - 5 times/1 plant generation, more preferably 1 - 4 times/1 plant generation. The plant can be flowers, vegetables, fruits, grasses, trees and horticultural crops (preferably flowers and horticultural crops, more preferably flowers). As one embodiment of the invention, the plant can be foliage plants. Exemplified embodiments of grasses are a Poaceae, Bambuseae (preferably sasa, phyllostachys), Oryzeae (preferably oryza), Pooideae (preferably poeae), Triticeae (preferably elymus), elytrigia, hordeum, triticum, secale, arundineae, centotheceae, chloridoideae, hordeum vulgare, avena sativa, secale cereal, andropogoneae (preferably coix), cymbopogon, saccharum, sorghum, Zea (preferably Zea mays), Sorghum bicolor, Saccharum officinarum, coix lacryma-jobi var., paniceae (preferably panicum), setaria, echinochloa (preferably panicum miliaceum), Echinochloa esculenta, and Setaria italica. Embodiments of vegetables are stem vegetables, leaves vegetables, flowers vegetables, stalk vegetables, bulb vegetables, seed vegetables (preferably beans), roots vegetables, tubers vegetables, and fruits vegetables. One embodiment of the plant can be Gaillardia, Lettuce, Rucola, Komatsuna (Japanese mustard spinach), Radish (preferably Gaillardia, Lettuce, or Rucola), Campanularapunculus, Rudbeckia, Edamame (Glycine max), or Arabidopsis thaliana (preferably Gaillardia, Lettuce, Rucola, Komatsuna or Radish, more preferably Gaillardia, Lettuce, or Rucola).
The environment of growing plant can be natural environment, a green house, a plant factory and indoor cultivation, preferably natural environment and a green house. One embodiment of the natural environment is an outside farm. In another aspect, the present invention further relates to a plant coated by at least one platelet-shaped particle, or a composition. In another aspect, the present invention further relates to a plant obtained or obtainable by the method of the present invention. - A plant coated by at least one species of pigments As one embodiment, inventors provide a plant coated by at least one platelet-shaped particle. The platelet-shaped particle is set on the plant by applying the method described above. And the plant can be produced or controlled (preferably enhanced) by its photosynthesis with the applying method. As one embodiment, total amount of the platelet-shaped particle on the plant is in the range of 0.000001 - 0.001g/cm2, preferably 0.00001 - 0.0001 g/cm2, more preferably 0.00003 - 0.00008 g/cm2. - Use of the composition and/or platelet-shaped particle As one aspect of the invention, it is provided a use of the composition described above, for improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of the color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids preferably by blue light; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, the vitamin content of plants; controlling of secondary metabolites (polyphenols, anthocyanins);
controlling of disease resistance of plants; controlling of ripening of fruits, or controlling of the weight of the plant. Preferred embodiments: 1. A composition, preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet-shaped particle and another material, preferably said platelet-shaped particle is configured to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm, preferably said platelet-shaped particle is an interference pigment, more preferably it is a multilayer interference pigment, preferably the peak maximum wavelength of light reflected from said platelet-shaped particle is in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm. 2. The composition of embodiment 1, wherein said another material is a solvent, preferably said solvent is selected from one or more members of the group consisting of water, an alcohol solvent and ether solvent. 3. The composition of embodiment 1 or 2, further comprises an additive selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents, preferably said light luminescent material is configured to convert UV light within the wavelength range from 280 to 380 nm into a longer wavelength within the range from 381 to 750 nm, preferably it is selected from organic, inorganic phosphors or a combination of these, more preferably it is selected from inorganic phosphors. 4. The composition of any one of embodiments 1 to 3, further comprises another type of platelet shaped particle different from the platelet shaped particle of any one of embodiments 1 to 3, preferably said another type of
platelet shaped particle is configured to reflect at least a portion of light in the range from 100 to 600nm, preferably in the range from 200 to 500nm, more preferably from 400 to 470nm, and/or at least a portion of infra-red light, more preferably it is configured to reflect at least a portion of light in the range from 100 to 600nm and a portion of infra-red light, more preferably it is an interference pigment, more preferably it is a multilayer interference pigment. 5. The composition of any one of embodiments 1 to 4, wherein the total weight of the platelet-shaped particle based on the total weight of the composition is in the range from 0.01 to 99.9 wt.%, preferably it is from 0.1 to 60wt.%, more preferably from 0.2 to 30wt%, even more preferably from 0.5 to 10wt%. 6. The composition of any one of embodiments 1 to 5, wherein said platelet shaped particle contains a material selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO3•Pb(OH)2, PbCO3, SiO2, BiOCl and Al2O3, preferably it is selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake and SiO2, preferably said material is a platelet shaped support material of the platelet shaped particle, more preferably said material is transparent in a visible light. 7. The composition of any one of embodiments 1 to 6, wherein said platelet shaped particle contains a material of embodiment 6 coated with at least a 1st metal oxide as a coating layer, preferably said metal oxide is selected to reflect at least a portion of light in the range from 250 to 600nm, preferably in the range from 300 to 500nm, more preferably from 400 to 470nm and/or a portion of IR light, more preferably said metal oxide is selected from one or more members of the group selected from TiO2 (rutile or anatase n=2.33-2.55), ZrO2 (n=2.05), Fe2O3 (n=3.0), Fe3O4, Cr2O3 (n=2.24) and ZnO (n=2.1).
8. The composition of any one of embodiments 1 to 7, wherein said platelet shaped particle contains a material of embodiment 6 and it is coated with at least a 1st metal oxide as a coating layer of embodiment 7, wherein said particle further coated with a 2nd metal oxide selected from one or more members of the group consisting of SiO2 (n=1.460), Al2O3(n=1.63), AlO2H and B2O3, preferably the difference between the refractive index of the 1st metal oxide to the 2nd metal oxide is at least 0.1, preferably it is in the range from 0.1 to 1.8 at 550nm. 9. The composition of any one of embodiments 1 to 8, wherein said platelet shaped particle is a multilayer interference pigment containing a platelet shaped support material coated with a 1st metal oxide layer and a 2nd metal oxide layer different from the 1st metal oxide layer, preferably the difference between the refractive index of the 1st metal oxide to the 2nd metal oxide is at least 0.1, preferably it is in the range from 0.1 to 1.8 at 550nm, preferably said 1st metal oxide is selected from one or more members of the group selected from TiO2 (rutile or anatase n=2.33-2.55), ZrO2 (n=2.05), Fe2O3 (n=3.0), Fe3O4, Cr2O3 (n=2.24) and ZnO (n=2.1), preferably said 2nd metal oxide selected from one or more members of the group consisting of SiO2 (n=1.460), Al2O3(n=1.63), AlO2H and B2O, preferably said platelet shaped support material is selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO3•Pb(OH)2, PbCO3, SiO2, BiOCl and Al2O3, preferably said 1st metal oxide layer and the 2nd metal oxide layer are stacked over the platelet shaped support material in this sequence, more preferably said 2nd metal oxide layer may be coated with another 1st metal oxide layer. 10. The composition of any one of embodiments 1 to 9, wherein said platelet-shaped particle is a surface modified platelet shaped particle, preferably said platelet shaped particle is a platelet shaped particle
resulting from surface treatment with organically modified silanes, phosphates or other surface binding components such as emulsifying or dispersing agents. 11. The composition of any one of embodiments 1 to 10, wherein said matrix material is a polymeric binder which enables the adhesion of the particles to a plant, more preferably it is selected from an organic, inorganic polymers or a combination of thereof, even more preferably it is an organic polymer, furthermore preferably it is selected from one or more of members of the group consisting of polyvinyl alcohol, polyvinyl amine, polyvinyl pyrrolidone, polyacrylic amide, polyacrylic acid, carboxy methyl cellulose (synthetic), polysaccharide, cellulose, xanthan gum, polysaccharide, pectin, starch, polypeptide, gelatin, casein (natural), polyacrylic resin, polyurethane and silicone. 12. Method for manufacturing the composition of any one of embodiments 1 to 11, comprising at least the following step; i) mixing at least one platelet-shaped particle with another material, preferably said another material is a solvent, more preferably said another material is a solvent selected from one or more member of the group consisting of water, an alcohol solvent and ether solvent. 13. Method of repelling one or more of insects from a plant comprising; I) applying the composition of any one of embodiments 1 to 11 to at least one portion of a plant, preferably to at least one portion of a leaf of a plant. 14. The method of embodiment 13, wherein the composition is applied to a surface of a single or a plurality of leaves of the plant. 15. The method of embodiment 14, wherein the composition is applied to a surface of single or a plurality of stems of the plant.
16. The method of any one of embodiments 13 to 15, wherein the average amount of the composition to be applied to the surface of the plant leaves is 0.0005 - 0.1 mL/cm2 of the surface. 17. The method of any one of embodiments 13 to 16, wherein the composition is applied to the surface of the plant by spraying, watering, dropping, dipping, coating or combination of thereof. 18. The method of any one of embodiments 13 to 17, wherein the composition is applied one or more times during the growing season of the plant. 19. The method of any one of embodiments 13 to 18, wherein the composition is applied to at least one portion of a living organism and/or an agricultural material, with gas, preferably said gas is air, nitrogen gas, CO2 gas or a combination of these. 20. Method of applying at least one platelet-shaped particle to at least one portion of a plant comprising; I) applying at least one platelet-shaped particle to at least one portion of a plant with gas, preferably said gas is air, nitrogen gas, CO2 gas or a combination of these, preferably said platelet -shaped particle is applied to at least one portion of a leaf of a plant. 21. A plant having at least one platelet-shaped particle, or a composition of any one of embodiments 1 to 11, preferably onto at least a portion of the surface of the plant 22. A plant obtained or obtainable by the method of any one of embodiments 13 to 19. Technical effects
The present invention provides one or more of following effects and advantages: harmful insect repellent from a plant, improvement of appearance of a plant such as color of a leaf, controlling / keeping amount of anthocyanins in a leaf, improvement of controlling property of plant condition, preferably controlling of a plant height; controlling of color of fruits; promotion and inhibition of germination; controlling of synthesis of chlorophyll and carotenoids, preferably by blue light; plant growth promotion; adjustment and/or acceleration of flowering time of plants; controlling of production of plant components, such as increasing production amount, controlling of polyphenols content, sugar content, vitamin content of plants; controlling of secondary metabolites, preferably controlling of polyphenols, and/or anthocyanins; controlling of a disease resistance of plants; controlling of ripening of fruits, or controlling of weight of plant. The working examples below provide descriptions of the present invention but are not intended to limit scopes of the invention. Working Examples Working Example 1: Fifteen Rucola (27 days after sowing) in test plot A and fifteen Rucola (27 days after sowing) in test plot B are prepared in the same preparing condition.10mL of a spreading agent (Approach BI, Trade mark, Kao Corp.) is added into 10L of water, and the mixture is stirred. Pigments (Iriodin® 221 blue from Merck) is added to the resultant solution to be 1.0 % mass concentration (1.0 mass %). Finally, aqueous solution containing 1 wt% of pigments (Iriodin® 221 blue from Merck) is obtained. All plants in the test plot A are then sprayed with the obtained aqueous solution. All plants in the test plot B are not sprayed with the aqueous solution. Then, the test plot A and the test plot B are placed on a planner surface in parallel with keeping the distance around 10cm each other, where the sun light is available during daytime. A container that contains aphids is put in said
distance (between the test plot A and the test plot B). This day is set as the first day. During this experiment, water is suplied to all the plannes everyday to keep fleshness of the plants (Rucola) accordingly. In stead of the pigmens, pigments/photonor mixutre or phosphors of the present invention may be used to form aqueous solution. After 5 days, the queous solution containing 1wt% of the pigment is sprayed again only onto the plants surface in the test plot A. On the 10th day, the infection by the ashids on the plants in the test plots A and B is observed by eyes. On the 10th day, the test plot A had only one infection by the aphids while the test plot B had two infected plants. Here the term “infected“ means that there is one or more of the sphides on a plant. Thus, if there is one or more of the sphides on a plant, such plant is counted as an infected plant. Four days later, on the 14th day, the difference in the number of aphid infections have increased. On the 14th day, the test plot A had only two infected plants by the aphids while the test plot B had six infected plants. After 29 days, the number of infections (infected plants by the aphids) in the test plot A is suppressed to three. the number of infections (infected plants by the aphids) in the test plot B is 14 out of total 15 plants. The infection rate is at 20.0% for the pigment coated plants in the test plot A and the infenction rate of the plants in the test plot B is 93.3%. As a summary, it is confirmed that the infection by the ashids is significantly suppressed (nearly 1/5) by applying the pigment. It is considered that due to the influence of transmission and light reflection with specific wavelength the pigment, unfoavorable environmnet for the harmful insects such as aphids is created and it dispels harmful insects from a plant.
Claims
Patent Claims 1. A composition, preferably being an agricultural composition, more preferably being an insect repellent, comprising at least one platelet-shaped particle and another material. 2. The composition of claim 1, wherein said another material is a solvent. 3. The composition of claim 1 or 2, further comprises an additive selected from one or more members of the group consisting; polymers; oligomers, adhesives; light luminescent materials; adjuvants; insecticides; insect attractants; metal oxides; dispersants, surfactants; fungicides and antimicrobial agents. 4. The composition of any one of claims 1 to 3, further comprises another type of platelet shaped particle different from the platelet shaped particle of any one of claims 1 to 3. 5. The composition of any one of claims 1 to 4, wherein said platelet shaped particle contains a material selected from one or more members of the group consisting of natural or synthetic mica, phyllosilicate, a glass flake, 2PbCO3•Pb(OH)2, PbCO3, SiO2, BiOCl and Al2O3. 6. The composition of any one of claims 1 to 5, wherein said platelet shaped particle contains a material of claim 5 coated with at least a 1st metal oxide as a coating layer. 7. The composition of any one of claims 1 to 6, wherein said platelet shaped particle contains a material of claim 5 and it is coated with at least a 1st metal oxide as a coating layer of claim 6, wherein said particle further
coated with a 2nd metal oxide selected from one or more members of the group consisting of SiO2, Al2O3, AlO2H and B2O3. 8. The composition of any one of claims 1 to 7, wherein said platelet shaped particle is a multilayer interference pigment containing a platelet shaped support material coated with a 1st metal oxide layer and a 2nd metal oxide layer different from the 1st metal oxide layer. 9. The composition of any one of claims 1 to 8, wherein said platelet- shaped particle is a surface modified platelet shaped particle. 10. The composition of any one of claims 1 to 9, wherein said matrix material is a polymeric binder which enables the adhesion of the particles to a plant. 11. Method for manufacturing the composition of any one of claims 1 to 10, comprising at least the following step; i) mixing at least one platelet-shaped particle with another material. 12. Method of repelling one or more of insects from a plant comprising; I) applying the composition of any one of claims 1 to 10 to at least one portion of a plant. 13. The method of claim 12, wherein the composition is applied to a surface of a single or a plurality of leaves of a plant. 14. The method of claim 12, wherein the composition is applied to a surface of single or a plurality of stems of a plant. 15. The method of any one of claims 12 to 14, wherein the composition is applied one or more times during the growing season of the plant.
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| EP21171571.9 | 2021-04-30 | ||
| EP21171571 | 2021-04-30 |
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| WO2022229232A1 true WO2022229232A1 (en) | 2022-11-03 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255566A1 (en) * | 1986-08-06 | 1988-02-10 | Sumitomo Chemical Company, Limited | Insect-repelling film or sheet |
| JPH08280210A (en) * | 1995-04-17 | 1996-10-29 | Nissan Chem Ind Ltd | Seed of rape crop coated with agrochemical |
| WO1999030563A1 (en) * | 1997-12-17 | 1999-06-24 | Merck Patent Gmbh | Method and composition for combatting insects and viruses transmitted to plants thereby |
| US20030215627A1 (en) | 2002-05-14 | 2003-11-20 | Merck Patent Gmbh | Infrared-reflective material |
| US20040144023A1 (en) | 1996-05-09 | 2004-07-29 | Hans-Dieter Bruckner | Multilayer interference pigments |
| WO2019020602A2 (en) | 2017-07-26 | 2019-01-31 | Merck Patent Gmbh | Phosphor and a composition |
| WO2020221715A1 (en) * | 2019-04-30 | 2020-11-05 | Merck Patent Gmbh | Effect pigments |
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2022
- 2022-04-27 WO PCT/EP2022/061124 patent/WO2022229232A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255566A1 (en) * | 1986-08-06 | 1988-02-10 | Sumitomo Chemical Company, Limited | Insect-repelling film or sheet |
| JPH08280210A (en) * | 1995-04-17 | 1996-10-29 | Nissan Chem Ind Ltd | Seed of rape crop coated with agrochemical |
| US20040144023A1 (en) | 1996-05-09 | 2004-07-29 | Hans-Dieter Bruckner | Multilayer interference pigments |
| WO1999030563A1 (en) * | 1997-12-17 | 1999-06-24 | Merck Patent Gmbh | Method and composition for combatting insects and viruses transmitted to plants thereby |
| US20030215627A1 (en) | 2002-05-14 | 2003-11-20 | Merck Patent Gmbh | Infrared-reflective material |
| WO2019020602A2 (en) | 2017-07-26 | 2019-01-31 | Merck Patent Gmbh | Phosphor and a composition |
| WO2020221715A1 (en) * | 2019-04-30 | 2020-11-05 | Merck Patent Gmbh | Effect pigments |
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