WO2022118019A1 - Formulations de pesticide à tensioactif réduit - Google Patents

Formulations de pesticide à tensioactif réduit Download PDF

Info

Publication number
WO2022118019A1
WO2022118019A1 PCT/GB2021/053141 GB2021053141W WO2022118019A1 WO 2022118019 A1 WO2022118019 A1 WO 2022118019A1 GB 2021053141 W GB2021053141 W GB 2021053141W WO 2022118019 A1 WO2022118019 A1 WO 2022118019A1
Authority
WO
WIPO (PCT)
Prior art keywords
formulation
active
surfactant
water
derivative
Prior art date
Application number
PCT/GB2021/053141
Other languages
English (en)
Inventor
Nicolas GOOCH
Original Assignee
Pangaea Agrochemicals Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pangaea Agrochemicals Limited filed Critical Pangaea Agrochemicals Limited
Publication of WO2022118019A1 publication Critical patent/WO2022118019A1/fr

Links

Classifications

    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
    • 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
    • A01N25/08—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 containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • 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
    • A01N25/30—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 characterised by the surfactants

Definitions

  • the subject of this patent application are pesticide formulations which contain carbohydrates which improve the activity and performance of the active material over conventional formulations.
  • pesticide formulations that contain surfactants, penetrants, stickers and solvents to increase the effectiveness of the active component is well established (I. Travlos, N. Cheimona and D. Bi la I is in Agronomy (2017), Vol. 7 (3); 60-69). These adjuvants aid in the penetration of the active through the dermal layer of the leaf and improve the application characteristics of the product.
  • the formulations may typically include surfactants, antifoaming agents, solvents, stickers, spreaders, penetrants, dyes, odorants, bittering agents, anti-drift agents, humectants and preservatives.
  • Active herbicide ingredients such as these and others can be prepared from and used in the form of solid and liquid compositions including, as mentioned above, different forms of emulsions, suspensions, suspension concentrates, mixtures, dispersions, microemulsions, etc., and derivatives thereof such as diluted solutions or solutions including other one or more added ingredients, for example herbicides, insecticides, fungicides, nematacides, acaricides, and growth regulators.
  • an agricultural spray mixture contains water and an active agricultural chemical ingredient, such as a pesticide (including herbicides, insecticides, fungicides and growth regulators). Typically, at least 50 percent of the agricultural spray mixture is composed of water.
  • the agricultural spray mixture can contain at least one component selected from the group consisting of organic surfactants, antifoam agents and organic solvents.
  • Agricultural spray mixtures are commercially available as ready- to-use products or can be prepared in a containment vessel from an agricultural chemical concentrate formulation, water, and optionally one or more surfactants and/or antifoaming agents.
  • pesticide in a diluted formulation (spray mixture) will be any amount effective for the intended purpose, but typically will range from about 0.001 to about 5 percent by weight based upon the total weight of the agricultural spray mixture, for example from about 0.03 percent to about 4 percent, preferably from about 0.05 percent to about 2 percent based upon the total weight of the agricultural spray mixture.
  • the bulk or remainder of the agricultural spray mixture is comprised of water.
  • the atomization process here can take place either from high altitudes, for example by means of the spraying from an aircraft such as an aeroplane, helicopter or remotely piloted drone, or from altitudes close to the earth, for example by spraying by means of a tractor-mounted sprayer.
  • Other equipment, such as spraying lances, or back-spraying are also known for applying spray treatments.
  • standard additives such as surfactants, solvents, biocides, antifoam agents, dispersants, antifreeze, pH modifiers, colorants, nutrients and plant growth regulators also may be included in the formulations to achieve desired results.
  • Soluble carbohydrates in solid form e.g. sucrose
  • WO 2012/009489A2 has been used as a dispersant in solid formulations.
  • carbohydrate derived surfactants such as polyalkylglucosides
  • alginate being used as a stabilising agent
  • pectin being used as agent in formulations
  • pectin being used as a thickener in encapsulated products
  • pectin for use as a thickener in formulations
  • CN 102728024A protein-polysaccharide used in compositions for providing sustained release formulations
  • Cyclodextrin and polymer mixtures have also been used to improve the solubility of actives (US 5472954A).
  • cyclodextrin stands here for cyclic oligosaccharides formed from glucose molecules connected via a-l,4-glycoside bonds which can be obtained by enzymatic decomposition of starch. They comprise a Greek letter as prefix, depending on the number of glucose molecules from which they are built, a-, [3-, y- and 6-cyclodextrins with 6, 7, 8 or 9 glucose molecules are especially of importance.
  • Pyrethroid-cyclodextrin complexes have been developed and shown to have greater efficacy than the active material alone (CN 200480031423). Pesticide-cyclodextrin and synergist-cyclodextrin complexes have also been shown to have enhanced efficacy over conventional formulations (WO 2006/111570 A2).
  • Herbicide resistance has been found to be an emerging problem, with the most researched mechanisms being target site mutation and metabolic resistance, with translocational resistance being the third form.
  • target site resistance and metabolic resistance it was found that many resistant strains also showed reduced export of the glyphosate from the leaves to the roots (D.F. Lorraine Colwill, S. B. Powles, T. R. Hawkes, P. H. Hollinshead, S. A. J. Warner, and C. Preston in Pestic Biochemistry and Physiology (2003) 74: 62-72).
  • JP H02129107 A discloses a hard swallowable insecticidal composition containing a methoxyl compound as an active ingredient in order to prevent a poisoning accident caused by accidental swallowing.
  • WO 2019/008341 Al discloses a method for producing an encapsulated pesticide includes the steps of (a) providing a mixture of a pesticide (such as glyphosate) and at least one polysaccharide in either (i) an organic solvent or(ii) in aqueous solution, (b) combining the mixture of step (a) with water in the case of (i) or an oil in the case of (ii) and stirring to create an emulsion of said mixture, (c) adding to said emulsion a salt (such as calcium chloride) in powder form, which salt is formed of a cation which reacts with said polysaccharide to produce a water-insoluble reactant, and (d) stirring the product of step (c) in order to produce particles of pesticide encapsulated in said water-insoluble reactant.
  • a pesticide such as glyphosate
  • polysaccharide in either (i) an organic solvent or(ii) in aqueous solution
  • WO 2020/128511 Al discloses a method for encapsulating a pesticide (for example glyphosate) includes the steps of (a) mixing a first biopolymer which is an alginate with a viscosity from 4 to 100 centipoise (a 1% aqueous solution at 20 centigrade) and a second biopolymer in solution, (b) adding the product of step (a) to a solution of pesticide, and (c) adding a surfactant to the product of step (b).
  • Surfactant levels of at least 3wt% are disclosed.
  • Surfactants are included in agrochemical formulations to enhance activity against the target pest species.
  • the included surfactants can produce negative effects against beneficial non-target species such as bees, worms and soil biota.
  • beneficial non-target species such as bees, worms and soil biota.
  • Many surfactants are classified as biocides and their application to crops can have negative effects on overall soil health, [van Bruggen, Ariena & MM, He & Shin, Keumchul & V, Mai & Jeong, K.C. & Finckh, Maria & Jr, Morris,. (2018).
  • the present invention seeks to provide improved pesticide formulations with reduced amounts of surfactant. Summary of the Invention
  • a pesticide formulation including the following components: i) one or more actives selected from a herbicide, an insecticide, a fungicide, a growth regulator, or any combination thereof; ii) pectin or a derivative thereof; iii) an alginate or a derivative thereof; and iv) less than 3wt% surfactant and preferably no more than 0.5wt% surfactant.
  • the formulation additionally includes at least one salt of a metal or organic compound.
  • at least one salt of a metal or organic compound could be provided for example by using sufficiently hard water to provide sufficient calcium ions.
  • the invention disclosed herein describes herbicidal formulations containing carbohydrates (in the form of a combination of pectin and an alginate) which are thought to function to improve the spray characteristics and/or efficacy of the active component by improving the transport of active materials into and through the plant, and/or affecting plant metabolism in a beneficial way.
  • carbohydrates in the form of a combination of pectin and an alginate
  • These formulations show advantageous properties compared to conventional formulations; faster speed of action, lower applications rates, enhanced activity against pests that have evolved resistance.
  • liquid aqueous crop protection agents of water-soluble and or water insoluble plant protection agents characterized in that they comprise:
  • non-ionic surfactants from the group of alkyl polyglycosides,
  • customary formulation assistants such as anti-foam agents, odorants, colourants, anti-drift agents.
  • the active material may be a water-soluble herbicide, for example glyphosate, glufosinate, clopyralid, dicamba, triclopyr, imazapyr, metolachlor, etc.
  • the active material may be a water soluble insecticide
  • the active material may be a water soluble fungicide
  • At least one active may be provided as an insoluble pesticide in the form of a colloidal suspension, preferably where the size of the particles in suspension is preferably less than 1 micron, or less than 500 nanometres.
  • at least a portion of the active agent is present in the suspension concentrates in the form of dispersed particles, the volume-average diameter of which, determined using dynamic light scattering, is less than 1 pm, for example not more than 900 nm, 800 nm, 700 nm or 500 nm, e.g. from 10 up to ⁇ 100 nm, 20 to 900 nm, 50 to 800 nm, 70 to 700 nm or 100 to 500 nm.
  • mean particle diameters described here are volume-average particle diameters d (0.5) or d (v 0.5), i.e. 50% by volume of the particles have a diameter lying above the mean value given and 50% of the particles have a diameter lying below the mean value given.
  • mean particle diameters can be determined using dynamic light scattering, usually carried out on dilute suspensions comprising from 0.01 to 1% by weight of active agent. These methods are known to a person skilled in the art and are described, for example, in H. Wiese (D. Distler, Ed.), Wassrige Polymerdispersionen (Aqueous Polymer Dispersions), Wiley-VCH 1999, Chapter 4.2.1, pp 40ff, and the literature cited therein; H. Auweter and D. Horn, J.
  • the active may be a pesticide in the form of an emulsion of a polar solvent in water, the active being dissolved in the polar solvent.
  • pesticide refers to at least one active substance selected from the group of the fungicides, insecticides, nematicides, herbicides, safeners, and/or growth regulators.
  • Preferred pesticides are fungicides, insecticides, herbicides and growth regulators.
  • Especially preferred pesticides are herbicides and growth regulators.
  • Mixtures of pesticides from two or more of the abovementioned classes may also be used. The skilled worker is familiar with such pesticides, which can be found, for example, in Pesticide Manual, 15th Ed. (2009), The British Crop Protection Council, London.
  • the pesticides may also comprise salts, esters, optical isomers or tautomers. Suitable pesticides are (groups A to N):
  • Respiration inhibitors - complex-lll-inhibitors at the Q0 -site for example strobilurins: azoxystrobin, coumethoxystrobin, coumoxystrobin, dimoxystrobin, enestroburin, fenaminstrobin, fenoxystrobin/flufenoxystrobin, fluoxastrobin, kresoxim-methyl, metominostrobin, orysastrobin, picoxystrobin, pyraclostrobin, pyrametostrobin, pyraoxystrobin, trifloxystrobin, methyl 2-[2-(2,5-dimethylphenyloxymethyl)phenyl]-3- methoxyacrylate, 2-(2-(3-(2,6-dichlorophenyl)-l-methylallylideneaminooxymethyl)phenyl)-2- methoxyimino-Nmethylacetamide, pyribencarb, triclopyricarb/chlorodin
  • Sterol biosynthesis inhibitors SBI fungicides
  • DMI fungicides C14-Demethylase inhibitors: - triazoles: azaconazole, bitertanol, bromuconazole, cyproconazole, difenoconazole, diniconazole, diniconazole-M, epoxiconazole, fenbuconazole, fluquinconazole, flusilazole, flutriafol, hexaconazole, imibenconazole, ipconazole, metconazole, myclobutanil, oxpoconazole, paclobutrazole, penconazole, propiconazole, prothioconazole, simeconazole, tebuconazole, tetraconazole, triadimefon, triadimenol, triticonazole, uniconazole; imidazoles: imazalil, pefurazoate,
  • Nucleic acid synthesis inhibitors - phenylamides or acylamino acid fungicides benalaxyl, benalaxyl-m, kiralaxyl, metalaxyl, metalaxyl-m (mefenoxam), ofurace, oxadixyl; - others: hymexazole, octhilinone, oxolinic acid, bupirimate;
  • Cell division and cytoskeleton inhibitiors - tubulin inhibitors such as benzimidazoles, thiophanates: benomyl, carbendazim, fuberidazole, thiabendazole, thiophanate-methyl; triazolopyrimidines: 5-chloro-7-(4-methylpiperidin-l -yl)-6-(2,4,6-trifluorophenyl)-[l ,2,4]triazolo[l ,5-a]pyrimidine; - further cell division inhibitors: diethofencarb, ethaboxam, pencycuron, fluopicolid, zoxamid, metrafenon, pyriofenon;
  • E. Amino acid synthesis and protein synthesis inhibitors - methionine synthesis inhibitors (anilinopyrimidine): cyprodinil, mepanipyrim, pyrimethanil; - protein synthesis inhibitors: blasticidin-S, kasugamycin, kasugamycin hydrochloride hydrate, mildiomycin, streptomycin, oxytetracyclin, polyoxin, validamycin A;
  • Lipid and membrane synthesis inhibitors Phospholipid biosynthesis inhibitors: edifenphos, iprobenfos, pyrazophos, isoprothiolane; - Lipid peroxidation: dicloran, quintozene, tecnazene, tolclofos-methyl, biphenyl, chloroneb, etridiazole; - Phospholipid biosynthesis and cell wall attachment: dimethomorph, flumorph, mandipropamid, pyrimorph, benthiavalicarb, iprovalicarb, valifenalate and 4-fluorophenyl N-(l -(1 -(4- cyanophenyl)ethanesulfonyl)but-2-yl)carbamate; - Compounds which affect cell membrane permeability and fatty acids: propamocarb, propamocarbhydrochloride H.
  • Multi-Site inhibitors - inorganic active substances Bordeaux mixture, copper acetate, copper hydroxide, copper oxychloride, basic copper sulfate, sulfur; Thio- and dithiocarbamates: ferbam, mancozeb, maneb, metam, metiram, propineb, thiram, zineb, ziram; - organochlorine compounds (for example phthalimides, sulfamides, chloronitriles): anilazine, chlorothalonil, captafol, captan, folpet, dichlofluanid, dichlorophen, flusulfamide, hexachlorobenzene, pentachlorophenol and its salts, phthalid, tolylfluanid, N-(4-chloro-2- nitrophenyl)-N-ethyl-4-methylbenzenesulfonamide; - guanidines and others: guanidine, dodine, dodine
  • Cell wall biosynthesis inhibitors - glucan synthesis inhibitors validamycin, polyoxin B; melanin synthesis inhibitors: pyroquilon, tricyclazole, carpropamid, dicyclomet, fenoxanil;
  • J. Resistence inductors - acibenzolar-S-methyl, probenazol, isotianil, tiadinil, prohexadione- calcium; phosphonates: fosetyl, fosetyl-aluminum, phosphorous acid and its salts;
  • Herbicides - acetamide acetochlor, alachlor, butachlor, dimethachlor, dimethenamid, flufenacet, mefenacet, metolachlor, metazachlor, napropamid, naproanilid, pethoxamid, pretilachlor, propachlor, thenylchlor; - amino acid analogs: bilanafos, glyphosate, glufosinate, sulfosate; - aryloxyphenoxypropionat.es: clodinafop, cyhalofop-butyl, fenoxaprop, fluazifop, haloxyfop, metamifop, propaquizafop, quizalofop, quizalofop-P- tefuryl; - bipyridyls: diquat, paraquat; - carbamates and thiocarbamates: asulam
  • Insecticides - organo(thio)phosphates acephate, azamethiphos, azinphos-methyl, chlorpyrifos, chlorpyrifos-methyl, chlorfenvinphos, diazinon, dichlorvos, dicrotophos, dimethoat, disulfoton, ethion, fenitrothion, fenthion, isoxathion, malathion, methamidophos, methidathion, methyl-parathion, mevinphos, monocrotophos, oxydemeton-methyl, paraoxon, parathion, phenthoate, phosalone, phosmet, phosphamidon, phorate, phoxim, pirimiphosmethyl, profenofos, prothiofos, sulprophos, tetrachlorvinphos, terbufos, triazophos, trichlorfon; - carba
  • the carbohydrate employed in the present formulation includes pectin and an alginate in combination. It may additionally include a further (third) carbohydrate.
  • the additional carbohydrate preferably may be sucrose, dextrose, cyclodextrose, glucose, xylose, maltose, lactose, starch, xylan, hemicellulose, maltitol, sorbitol, or mixtures of two or more of these carbohydrates.
  • these sugars will be provided in the form of an aqueous solution.
  • the carbohydrate may comprise 1-25% by weight of the formulation.
  • the formulation may contain one or more active materials, carbohydrates, organic or inorganic salts, organic surfactants, anti-foam agents, anti-drift agents, stabilising agents, preservatives, penetrants, oils, dyes, fragrance, bittering agents etc.
  • formulations in accordance with the invention may include up to 0.5wt% surfactant as defined below:
  • the surfactants may be anionic, cationic or non-ionic surfactants, such as polyalkyl glucosides, polyoxypropylene-polyoxyethylene block copolymers, alkyl-trimethyl and dialkyldimethyl quaternary ammonium salts, cocoamine ethoxylates, organosilicone surfactants, fatty acid esters, alkylphenolethoxylates, Polyetheralkanolamine comb polymers, stearyl amine ethoxylates, or any other suitable surfactant.
  • the surfactants preferably may be sugar-based surfactants containing sorbitans, ethoxylated sorbitans, sucrose esters, glucose esters, or alkyl polyalkylglucosides.
  • the surfactants preferably may be cocoamine ethoxylates.
  • the formulations of the invention contain as surfactant anionic, cationic or zwitterionic and/or nonionic surface-active compounds (surfactants) which should contribute to improved stability, availability for the plants, or activity of the formulated crop protection active ingredients.
  • surfactants anionic, cationic or zwitterionic and/or nonionic surface-active compounds
  • Anionic derivatives of copolymers consisting of EO, PO and / or BO units having a molecular weight of 400 to 10 8 in the form of ether carboxylates, sulfonates, sulfates and phosphates and their inorganic salts (for example alkali and alkaline earth metal) and organic salts (for example based on amine or alkanolamine);
  • Preferred anionic surfactants are alkyl polyglycol ether sulfates, in particular Fettalkoholdiethylenglykolethersulfat (z. B. Genapol LRO *' Clariant), or Alkylpolyglykolethercarboxylate (z. B. 2- (Isotridecyloxy-polyethyleneoxy) ethyl- carboxymethyl-ether, Marlowet 4538 ’ Huis)
  • Alkylene oxide adducts of fatty amines, quaternary ammonium compounds with 8 to 22 carbon atoms such as Genamin ’ C, L, O, T brands by Clariant;
  • non-ionic surfactants examples include:
  • Examples of such compounds are Genapol ’ C, L, O, T, UD, UDD, X ⁇ ⁇ > > ⁇ brands by Clariant, Plurafac - and Lutensol A, AT, ON, TO brands by BASF, Marlipal 24 and 013 brands by Condea, Dehypon ’ brands by Henkel, Ethylan ’ brands from Akzo-Nobel such as Ethylan CD 120;
  • alkylene oxide adducts of alkyne diols such as the Surfynol ’ grades from Air Products; Sugar derivatives such as amino and amido sugars from Clariant;
  • Surfactant polyvinyl compounds such as modified PVP as the Luviskol * brands from BASF and the Agrimer ’ brands from ISP or the derivatized polyvinyl acetates such as the Mowilith ’ brands from Clariant or the butyrates such as the Lutonal ’ brands from BASF , the Vinnapas ’ - and the Pioloform ’ brands from Wacker or the modified polyvinyl alcohols such as the Mowiol * brands from Clariant,
  • Alkylene oxide adducts based polyol such as polyglycol ’ brands from Clariant,
  • the formulations of the invention contain may non-ionic surfactants from the group of alkyl polyglycosides.
  • Alkylpolyglycosides in the form of the APG brands from Henkel, for example APG Plantaren * 225 (fatty alcohol C 8 -C 10 glucoside),
  • Alkyl polyglycoside alkyl polysaccharide mixtures based on C 8 -C xo fatty alcohol such as ’ Glucopon 225 DK * and Glucopon 215 CSUP (Cognis).
  • the anti-drift agents may preferably be polymers, such as polyethylene glycol,
  • the formulation will include antifoaming agents.
  • antifoaming agents are silicone emulsions (such as, e.g., Silikon® SRE, from Wacker or Rhodorsil® from Rhodia), long-chain alcohols, fatty acids, salts of fatty acids, e.g. magnesium stearate, fluoro-organic compounds and the mixtures thereof.
  • the formulation can also comprise dyes (colorants). Examples of colorants are both pigments which are sparingly soluble in water and colorants which are soluble in water. Mention may be made, as examples, of the colorants known under the descriptions Rhodamine B, C.l.
  • the formulation will be used as an aqueous solution for application by sprayer onto the target plants.
  • the formulation may preferably be provided as a concentrate for dilution with water prior to application.
  • the ready-to-dilute formulation of the subject invention may be utilized in tank mixes for many pesticide formulations, generally in amounts of from about 0.5 to about 8 L/ha, preferably from about 1 to about 10 L/ha.
  • the formulation may be provided as a two part concentrate for use as a tank-mix where the adjuvant components and actives are in separate solutions and are mixed with the actives and diluted with tap water immediately prior to use.
  • a pesticide formulation that comprises: i) one or more active components which may be herbicides, insecticides, fungicides or growth regulators; ii) pectin or a derivative thereof; iii) an alginate or a derivative thereof; iv) at least one surfactant; v) at least one salt of a metal or organic compound.
  • Figure 1 is a bar graph showing the results of a trial of a pesticide in accordance with the invention and comparative pesticides; and Figure 2 is a bar graph showing the results of a trial of comparative pesticides.
  • Pectin was added to 300ml water heated to 80°C. Then the sodium alginate was added with stirring and the mixture heated to 95°C and stirring continued until the solids has dissolved.
  • Formulation 1 is surfactant-free.
  • Formulation 2 was prepared as for Formulation 1 except that a surfactant (LKD 1559) was added to result in a final amount of surfactant of 4wt%.
  • a surfactant LLD 1559
  • the tank was half filled with water and buffering applied before the active ingredient is added. The remaining water was then added and the tank agitated.
  • Rates 360, 720, 1080 and 1440 grams per hectare applied in 200L of water per hectare.
  • the aim of this trial is to assess the efficacy of the Pangaea Enigma Eco 360 glyphosate and Enigma Eco Zero 360 formulations (in a 360g/l SL formulation) against a reference application of a conventional glyphosate formulation.
  • glyphosate formulations are made to the weeds in a (field margin, fallow field, longstanding pasture), at 360, 720, 1,080 and 1440 g ai/ha.
  • the weed control achieved with the Pangaea formulations are compared to the reference product Gallup XL (Barclay Crop Protection) applied at rates of 720g, 1080 and of 1440g ai/ha.
  • the trial is located at Rockland St. Mary Norfolk/Suffolk, UK.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Formulation de pesticide comprenant les composants suivants : i. un ou plusieurs agents actifs choisis parmi un herbicide, un insecticide, un fongicide, un régulateur de croissance ou toute combinaison de ceux-ci ; ii. de la pectine ou un dérivé de celle-ci ; iii. un alginate ou un dérivé de celui-ci ; iv. pas plus de 0,5 % en poids d'un tensioactif (et idéalement aucun tensioactif) ; v. éventuellement, au moins un sel d'un métal ou d'un composé organique.
PCT/GB2021/053141 2020-12-01 2021-12-01 Formulations de pesticide à tensioactif réduit WO2022118019A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2018938.7 2020-12-01
GBGB2018938.7A GB202018938D0 (en) 2020-12-01 2020-12-01 Carbohydrates containing pesticide formulations

Publications (1)

Publication Number Publication Date
WO2022118019A1 true WO2022118019A1 (fr) 2022-06-09

Family

ID=74099764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2021/053141 WO2022118019A1 (fr) 2020-12-01 2021-12-01 Formulations de pesticide à tensioactif réduit

Country Status (2)

Country Link
GB (1) GB202018938D0 (fr)
WO (1) WO2022118019A1 (fr)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02129107A (ja) 1988-11-08 1990-05-17 Sds Biotech Kk 殺虫剤組成物
US5472954A (en) 1992-07-14 1995-12-05 Cyclops H.F. Cyclodextrin complexation
US5747416A (en) 1993-07-08 1998-05-05 Mcardle; Blaise Herbicidal and insecticidal protein-polysaccharide delivery compositions and methods for controlling plant and insect populations
ZA992373B (en) 1998-03-27 2000-10-11 American Cyanamid Co Solid agricultural compositions comprising a monosaccharide, an oligosaccharide and/or a polysaccharide.
US6699977B1 (en) 2000-06-09 2004-03-02 Cp Kelco Aps Low methoxyl pectins, processes thereof, and stabilized aqueous systems comprising the same
WO2006111570A2 (fr) 2005-04-22 2006-10-26 Endura S.P.A. Nouvelle formulation active biologiquement
WO2012009489A2 (fr) 2010-07-15 2012-01-19 Dow Agrosciences Llc Compositions d'herbicide solides avec adjuvant intégré
CN102728024A (zh) 2012-07-11 2012-10-17 山东汇康运动器材有限公司 无外部电力登山机的速度调节方法及其装置
WO2013028292A1 (fr) 2011-08-22 2013-02-28 Dow Global Technologies Llc Monomères carbonates cycliques et polymères préparés avec ceux-ci
WO2013189777A1 (fr) 2012-06-21 2013-12-27 Basf Se Adjuvant comprenant un produit d'alcoxylation de 2-propylheptylamine, un tensioactif à base de sucre et un agent de lutte contre la dérive et/ou un humectant
RU2572882C2 (ru) 2010-04-28 2016-01-20 Дзе Проктер Энд Гэмбл Компани Частицы для доставки
US20180192644A1 (en) * 2014-12-19 2018-07-12 Clariant International Ltd. Aqueous Electrolyte-Containing Adjuvant Compositons, Active Ingredient-Containing Compositions And The Use Thereof
WO2019008341A1 (fr) 2017-07-04 2019-01-10 Pangaea Agrochemicals Limited Pesticide encapsulé
WO2020128511A1 (fr) 2018-12-21 2020-06-25 Pangaea Agrochemicals Limited Pesticide encapsulé

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02129107A (ja) 1988-11-08 1990-05-17 Sds Biotech Kk 殺虫剤組成物
US5472954A (en) 1992-07-14 1995-12-05 Cyclops H.F. Cyclodextrin complexation
US5747416A (en) 1993-07-08 1998-05-05 Mcardle; Blaise Herbicidal and insecticidal protein-polysaccharide delivery compositions and methods for controlling plant and insect populations
ZA992373B (en) 1998-03-27 2000-10-11 American Cyanamid Co Solid agricultural compositions comprising a monosaccharide, an oligosaccharide and/or a polysaccharide.
US6699977B1 (en) 2000-06-09 2004-03-02 Cp Kelco Aps Low methoxyl pectins, processes thereof, and stabilized aqueous systems comprising the same
WO2006111570A2 (fr) 2005-04-22 2006-10-26 Endura S.P.A. Nouvelle formulation active biologiquement
RU2572882C2 (ru) 2010-04-28 2016-01-20 Дзе Проктер Энд Гэмбл Компани Частицы для доставки
WO2012009489A2 (fr) 2010-07-15 2012-01-19 Dow Agrosciences Llc Compositions d'herbicide solides avec adjuvant intégré
WO2013028292A1 (fr) 2011-08-22 2013-02-28 Dow Global Technologies Llc Monomères carbonates cycliques et polymères préparés avec ceux-ci
WO2013189777A1 (fr) 2012-06-21 2013-12-27 Basf Se Adjuvant comprenant un produit d'alcoxylation de 2-propylheptylamine, un tensioactif à base de sucre et un agent de lutte contre la dérive et/ou un humectant
CN102728024A (zh) 2012-07-11 2012-10-17 山东汇康运动器材有限公司 无外部电力登山机的速度调节方法及其装置
US20180192644A1 (en) * 2014-12-19 2018-07-12 Clariant International Ltd. Aqueous Electrolyte-Containing Adjuvant Compositons, Active Ingredient-Containing Compositions And The Use Thereof
WO2019008341A1 (fr) 2017-07-04 2019-01-10 Pangaea Agrochemicals Limited Pesticide encapsulé
WO2020128511A1 (fr) 2018-12-21 2020-06-25 Pangaea Agrochemicals Limited Pesticide encapsulé

Non-Patent Citations (13)

* Cited by examiner, † Cited by third party
Title
"Pesticide Manual", 2009, THE BRITISH CROP PROTECTION COUNCIL
D. LILGED. HORN, COLLOID POLYM. SCI., vol. 269, 1991, pages 704
D.F. LORRAINE COLWILLS. B. POWLEST. R. HAWKESP. H. HOLLINSHEADS. A. J. WARNERC. PRESTON, PESTIC BIOCHEMISTRY AND PHYSIOLOGY, vol. 74, 2003, pages 62 - 72
GE, XIA ET AL., PLANT PHYSIOLOGY, vol. 166, no. 3, 2014, pages 1255 - 68
GOODWIN, RMCBRYDIE, H.: "Effect of surfactants on honey bee survival", N Z PLANT PROT. NEW ZEALAND PLANT PROTECTION, 2000
H. AUWETERD. HORN, J. COLLOID INTERF. SCI., vol. 105, 1985, pages 399
H. WIESE: "Aqueous Polymer Dispersions", 1999, WILEY-VCH, article "Wassrige Polymerdispersionen", pages: 40
H. WIESED. HORN, J. CHEM. PHYS., vol. 94, 1991, pages 6429
I. TRAVLOSN. CHEIMONAD. BILALIS, AGRONOMY, vol. 7, no. 3, 2017, pages 60 - 69
M. DENNISS. DELROT, PHYSIOLOGIA PLANTARUM, vol. 87, 1993, pages 569 - 575
M. R. B MOGHADDAMW VAN DEN, JOURNAL OF EXPERIMENTAL BIOLOGY, vol. 63, no. 11, 2012, pages 3989 - 3998
T. SHILO ET AL., FRONTIERS IN PLANT SCIENCE, vol. 8, no. 255, 2017, pages 1 - 16
VAN BRUGGEN, ARIENAMM, HESHIN, KEUMCHULV, MAIJEONG, K.C.FINCKH, MARIAJR, MORRIS: "Environmental and health effects of the herbicide glyphosate", SCIENCE OF THE TOTAL ENVIRONMENT, vol. 616-617, 2018, pages 255 - 268

Also Published As

Publication number Publication date
GB202018938D0 (en) 2021-01-13

Similar Documents

Publication Publication Date Title
EP2706843B1 (fr) Terpolymère d'acide acrylique-acrylamide-amps en tant qu'agent dispersant pour formules agricoles
EP2355661B1 (fr) Formulation agrochimique avec trois solvants
CA2856786C (fr) Concentre emulsifiable renfermant un pesticide, un amide, un carbonate, un solvant d'hydrocarbure et un surfactant nonionique
CA2833503C (fr) Adjuvant comprenant du dimethylsulfoxyde et un ester de phosphate
EP2713720B1 (fr) Copolymères de l'amide n-vinyle-carboxylique et d'un sel d'ammonium de diallyldialkyle comme agent de dispersion pour des formules agrochimiques
WO2014139805A1 (fr) Concentré émulsionnable comprenant un pesticide, un benzoate d'alkyle et un amide d'acide gras
US20110201500A1 (en) Anhydrous Composition Comprising a Dissolved and a Suspended Pesticide, Alkyl Lactate and Alcohol
AU2012348730A1 (en) Emulsifiable concentrate comprising pesticide, dimethyl sulfoxide, benzyl alcohol, alkyl lactate
EP2787812A1 (fr) Concentré émulsionnable comprenant un pesticide, du diméthylsulfoxyde, de l'alcool benzylique, un lactate d'alkyle et un diester
EP2713719B1 (fr) Formules agricoles contenants polyakylénimines alkoxylées comme agent de dispersion
WO2022118019A1 (fr) Formulations de pesticide à tensioactif réduit
CA2787550A1 (fr) Composition anhydre renfermant un pesticide en solution et un pesticide en suspension, un lactate d'alkyle et un alcool

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21834840

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21834840

Country of ref document: EP

Kind code of ref document: A1