WO2020188225A1 - Hydroxyde de magnesium comme fongicide de contact en agriculture - Google Patents
Hydroxyde de magnesium comme fongicide de contact en agriculture Download PDFInfo
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- WO2020188225A1 WO2020188225A1 PCT/FR2020/050601 FR2020050601W WO2020188225A1 WO 2020188225 A1 WO2020188225 A1 WO 2020188225A1 FR 2020050601 W FR2020050601 W FR 2020050601W WO 2020188225 A1 WO2020188225 A1 WO 2020188225A1
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- Prior art keywords
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- magnesium
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- fungicide
- magnesium hydroxide
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
-
- 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
- A01N25/02—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 liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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- 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
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- 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
- A01P3/00—Fungicides
Definitions
- the invention relates to a fungicide based on a magnesium product comprising magnesium hydroxide.
- This fungicide can be used in organic farming.
- the invention also relates to a method for controlling a fungal pathogen and for treating a fungal disease of a crop, in particular by the foliar route.
- nanoparticles comprising magnesium oxide and magnesium hydroxide exhibit improved biocidal properties. Nanomaterials remain expensive to produce, however, and special filtration equipment is needed to limit loss of yield and inhalation risks during manufacture. In addition, the regulatory constraints linked to the use of nanoparticles are very high in agriculture.
- the inventors of application WO 2015/100468 proposed to agglomerate magnesium hydroxide nanocrystals in the form of a composite.
- This document teaches that the biocidal activity depends on the size of the crystals of magnesium hydroxide, and not on the size of the particles.
- the composite is obtained by calcining a rock comprising magnesium carbonate and / or magnesium hydroxide to obtain magnesium oxide which is then hydrated to give magnesium hydroxide.
- the calcination process known as the “flash” calcination process is particular because it is carried out at low temperature for a very short time. Flash calcination, however, requires very high investment costs, and consumes a lot of energy.
- magnesium hydroxide is obtained from particles of magnesium oxide having a degree of calcination greater than 90%, a particle size between 10 and 100 microns, a very high porosity (greater than 0.5), a specific surface area (SSA) greater than 150 m2 / g and comprising crystal domains of size less than 20 nm.
- the invention relates to a contact fungicide for agriculture comprising particles of a magnesium product comprising magnesium hydroxide, said particles having a magnesium hydroxide purity greater than or equal to 86% by mass relative to the mass of the magnesium product on a dry basis, and having a particle size characterized by a D50 of between 1 and 10 microns.
- the fungicide has the advantage of having a fungicidal activity superior to the magnesian biocides of the prior art supplemented or not with oxygen peroxide.
- a fungicide according to the invention makes it possible to protect crops against pathogenic fungi.
- the fungicide of the invention when in the form of a suspension, has the advantage of being in liquid form, which facilitates its use.
- plants can only receive a limited amount of solid particles of magnesium product on the surface of their leaves. Beyond a certain threshold, there is a risk of phytotoxicity (burning, facilitated penetration of pathogens).
- the fungicide of the invention has no phytotoxicity at the doses at which it is effective.
- the fungicide of the invention has the advantage of creating a dense network of particles on the surface of the plant while applying a small amount of product. Without being bound by any theory, it is believed that the very high purity of the magnesium product results in a greater number of active links in the network, and in increased fungicidal efficacy.
- the inventors have in fact found that a product with a higher D50 forms agglomerates preventing a homogeneous distribution of the fungicide on the plant.
- Figure 1 shows the fungicidal efficacy of two magnesium products used in the context of the invention and a reference magnesium product, against the pathogenic fungus of downy mildew of the vine.
- Figure 2 shows the bacteriostatic activity of three fungicides according to the invention.
- Figure 3 illustrates the bactericidal activity of a prior art magnesium product at three different doses.
- the magnesium hydroxide purity of the particles of a magnesium product comprising magnesium hydroxide is expressed as a percentage by mass relative to the mass of the magnesium product on a dry basis.
- the "purity of the magnesium product on a dry basis” is understood to mean the content of magnesium hydroxide in the magnesium product in this specification.
- the magnesium product used in the context of the invention may be pure (contain only magnesium hydroxide) or comprise, in addition to the magnesium hydroxide, other magnesium compounds in the form of silicate, carbonate , chloride or sulfate, these impurities possibly coming from the raw material used to prepare the particles of magnesian product.
- the raw material can be a rock or a synthetic product comprising magnesium hydroxide.
- Purity within the meaning of the invention is defined as being the purity of the particles of the magnesium product on a dry basis, that is to say the mass of magnesium hydroxide relative to the mass of the particles of magnesium product which have been dried to remove all or part of the free water it contains, for example after steaming the product at 105 ° C for 2 hours.
- the dried palicles preferably contain less than 1% by weight of free water. The amount of water can be measured by any method known to those skilled in the art.
- the purity of the magnesium product on a dry basis can be determined by any method known to those skilled in the art.
- a first method uses the X-ray diffraction technique.
- a second method comprises a chemical analysis of the magnesium product to measure its content of impurities, and a measurement of the loss on ignition of the magnesium product.
- the loss on ignition can consist in measuring the loss of mass of the magnesium product between 250 ° C and 550 ° C.
- the mass of the product at the end of this heat treatment is equal to the sum of the mass of MgO and the mass of the impurities.
- the amount of magnesium hydroxide in the particles of magnesium product is greater than or equal to 86% by mass on a dry basis.
- Impurities that the product may contain are, for example, calcium oxide, ferric oxide, silica, magnesium carbonate, magnesium silicate, magnesium sulfate.
- the silica content is preferably less than or equal to 2%, more preferably less than or equal to 1.5% by mass on a dry basis of particles.
- the purity of the particles of magnesium product can be expressed as the difference between the mass of the magnesium product and the mass of all the impurities (any compound other than magnesium hydroxide) that it contains, relative to the mass of magnesian product on a dry basis.
- the amount of magnesium hydroxide in the particles of magnesium product is greater than or equal to 86% and less than or equal to 100% by mass relative to the mass of the dried magnesium product. It is for example greater than or equal to a value chosen from the group consisting of 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97% and 98 %, and less than or equal to the value of 99%.
- the particle size of the particles of the magnesium product comprising magnesium hydroxide within the meaning of the invention is the particle size of the particles of the magnesium product on a dry basis.
- the particle size distribution of the particles can be characterized by a D50 of between 1 and 10 microns.
- the expression “between ... and ....” excludes the limits of the range of values, while the expression “ranging from ... to ....” includes the limits of the value range.
- the D50 of particles containing magnesium hydroxide is less than 10 microns, preferably less than 6 microns, or even less than 5 microns and greater than 1 micron.
- the D50 can be measured using any conventional method known to those skilled in the art.
- the particle size can also be characterized by a D90 ranging from 1 micron to 30 microns, preferably ranging from 1 micron to 12 microns.
- the specific surface area (SSA) of the particles of the dried magnesium product preferably ranges from 10 m2 / g to 100 m2 / g, for example from 10 m2 / g to 50 m2 / g.
- the specific surface area of the particles of the dried magnesium product is for example less than a value chosen from the group consisting of 100, 90, 80, 70, 60, 50, 40, 30, 25 and 20 m2 / g.
- the specific surface area of the dried magnesium product particles is more preferably from 10 m2 / g to 18 m2 / g.
- the specific surface area (SSA) defined in this description is measured on dried particles (before their possible suspension in water), and not on hydrated particles or on particles which are suspended in water.
- the particles of the magnesium product comprising magnesium hydroxide can be obtained by chemical synthesis, by calcination or by mining from a rock containing it.
- the particles of the magnesium product comprising magnesium hydroxide are obtained by mining of brucite, followed by grinding of the rock.
- the process for preparing the particles does not include a calcination step.
- a formula based on brucite naturally magnesium hydroxide
- the fungicide is a foliar fungicide for organic farming.
- organic farming means a cultivation method in accordance with Regulation (EC) No. 203/2012 of March 8, 2012 amending Regulation (EC) No. 889/2008 laying down detailed rules for the application of Regulation (EC) No. 834 / 2007 of the Council for organic wine, and complies with Regulation (EC) 889/2008.
- the particles of the magnesium product comprising magnesium hydroxide are obtained by calcination in an oven, followed by hydration.
- the calcination furnace is preferably a rotary furnace, a vertical furnace or a furnace on a fluidized bed allowing slow calcination.
- the calcination process is a slow calcination process as opposed to a rapid calcination process, called “flash" calcination.
- flash calcination process means a process in which the calcination chamber is in the form of a vertical tube in which the mineral particles to be calcined are injected at the top of the tube. A stream of steam can be used to entrain the particles in the oven; in this case the steam and the mineral particles are injected simultaneously.
- the heat required for calcination is unique in that it is generated outside the calcination chamber. The heat is transferred by diffusion into the chamber through the wall by a flow of hot air.
- the hot air flow can be set up against the flow of particles to even out the calcination temperature throughout the tube.
- the particles undergo a sudden increase in temperature for a very short time (a few seconds at most), the thermal shock produced having the effect of considerably increasing the specific surface area and the porosity of the particles.
- a fine grinding of the rock ⁇ 100 ⁇ m must first be carried out.
- the temperature is chosen to be as low as possible, preferably from 550 ° C to 750 ° C.
- the specific surface of the particles of magnesium oxide obtained by flash calcination is typically greater than 150 m2 / g, or even greater than 200 m2 / g.
- the furnace can be a vertical furnace, a multi-hearth furnace (Multy Hearth Furnance) or a horizontal rotary furnace.
- Vertical ovens and multi-hearth ovens are particularly suitable for producing reactive and caustic products.
- a vertical furnace is a cylindrical or elliptical tube in which ore is introduced to the top of the tube along with a fuel (coal, gas or oil). The ore-fuel mixture then falls into a combustion zone before exiting the furnace.
- the coal can also be pyrolyzed in a boiler before injection into the chamber in the form of carbonaceous gas.
- the calcination temperature of this oven is 800 ° C-950 ° C with a long residence time, between 7 to 8 hours.
- a multi-hearth oven is a vertical cylinder containing a certain number of stages equipped with a burner (hearth) whose temperature is between 750 and 1000 ° C.
- the ore is driven from the top of the cylinder by a rotating blade in successive foci. There may be between 10 to 14 fireplaces in these ovens.
- the residence time of the ore in the furnace is variable according to the number of hearths and the speed of rotation of the mechanism, it is generally calculated in hours.
- Horizontal rotary kilns are more versatile: they can produce reactive, caustic or refractory products thanks to a temperature range that can go from 600 ° C to 1600 ° C.
- the residence time is 3h to 6h. It is an inclined horizontal tube (approximately 3 ° -4 °).
- the ore is introduced from the highest side and combustion takes place from the lowest side, against the current.
- the ore is driven by a slow rotating movement of the tube. The latter consumes more energy but accepts larger particles at the furnace inlet.
- a magnesium hydroxide obtained by a calcination process is obtained by a slow calcination process, according to which the residence time of the magnesium hydroxide used as material first is greater than 1 minute, preferably greater than 30 minutes, and more preferably greater than 1 hour.
- the residence time is preferably less than 12 hours or less than 10 hours.
- the fungicide of the invention may contain, in addition to the particles of the magnesium product comprising magnesium hydroxide, other additives. These additives, when they are present, are preferably bio-sourced so that the fungicide can be advantageously used as a contact fungicide in organic farming, preferably as a foliar fungicide in organic farming.
- the fungicide of the invention may contain additives such as an anti-leaching agent in order to avoid losses of efficiency during rains.
- the fungicide may be in the form of a powder of the particles or of a suspension obtained by dispersing the particles in water.
- the fungicide of the invention is in the form of a suspension and preferably comprises at least one dispersing agent and / or at least one surfactant to obtain a stable suspension during for preserving the product, or to resuspend the magnesium hydroxide after stirring the product, while it is applied to the plants.
- the particles of the magnesium product preferably represent from 40% to 65% by mass, for example from 50% to 55% by mass of the mass of the suspension.
- Another object of the invention is a liquid composition for foliar biocidal treatment of a crop, characterized in that it consists of 90% by mass:
- a crop treatment product chosen from the group comprising fertilizers, in particular fertilizers, bio stimulants, natural defense stimulators (SDN) and their mixtures, and
- biocide within the meaning of the invention is meant a fungicide, herbicide, pesticide, bactericide, insecticide and / or virucide.
- a proportion of the particles preferably has a D50 of between 1 and 10 microns before being put into the water.
- the proportion of particles is preferably the majority proportion: it is preferably greater than 50%, more preferably greater than 90% and more preferably greater than 95% by mass of the total mass of the particles which are suspended in water.
- Another object of the invention is a method of fungal treatment of a crop which consists in applying the fungicide or the composition described above, by foliar route.
- the method aims in particular to improve the growth and development of crops, to improve crop yields, to stimulate and strengthen crops, in particular by improving their resistance to pathogens, and / or to improve the yield of crops. sanitary quality of crops.
- the fungicide and the composition of the invention are advantageously free of a pesticide obtained by chemical synthesis chosen from the group comprising fungicides, herbicides, insecticides and mixtures thereof. It is preferred to use elicitors which stimulate the plant's defense system systemically, as an alternative to phytosanitary products.
- the fungicide or the composition of the invention can be used for its foliar application on crops, said foliar application can be carried out at the time of the appearance of the first leaves and / or at any other time until harvest. of the culture. This application is on the order of 3 to 15 L per hectare.
- the culture can in particular be chosen from the group comprising:
- - field crops such as cereals, oilseeds, protein crops, fodder legumes, fodder grasses or sugar crops,
- - fruit crops such as stone fruits, pome fruits, almond fruits, cluster fruits, small fruits or fruits from hot regions,
- the fungicide of the invention in the form of a suspension can achieve an efficiency greater than 85%.
- Another object of the invention relates to a method for controlling a fungal pathogen and treating a fungal disease of a crop, which consists in applying the fungicide or the composition described above, preferably by foliar route.
- the fungal pathogen can be chosen from the group consisting of Mycosphaerella fijiensis, Phytophthora megakarya, Phytophthora palmivora, Fusicladium oleagineum or Cycloconium oleaginum, Colletotrichum acutatum, Phytophthora infestans, Bremia lactucclerii, Sasmotryscleria nunclerardii, Saswellotryscleria n, Sclerotrysclerae n, Sclerotrysclerae n, Sclerotryscleraii, Sclerotinia n, Sclerotinia n, Sclerotinia n, Sclerotinia n, Magnaporthe grisea, Sphaerotheca pannosa and Septoria tritici (also called Zymoseptoria tritici).
- the fungal disease can be chosen from the group consisting of Sigatoka disease of bananas, brown rot of cocoa pods, olive peacock eye, apple burp bitter, apple downy mildew. of earth, tomato, lettuce and grapevine, powdery mildew of grapevine and rosebush, black rot of grapevine, septoria of wheat, sclerotinia of rapeseed, and blast of rice.
- Example 1 Preparation of the fungicide of the invention
- a first suspension (Suspension A) is prepared from particles obtained by grinding and sieving a brucite having a purity of magnesium hydroxide on a dry basis equal to 92%.
- the D50 of the particles after sieving ranges from 3 to 4 ⁇ m.
- the D90 ranges from 12 to 13 microns.
- the particles contain less than 1.3% by mass of SiO2, and their specific surface area is of the order of 13 m2 / g after being suspended in water.
- the particles are suspended as follows
- a second suspension (Suspension B) is prepared from particles obtained by chemical synthesis, more precisely by precipitation from a brine of MgCl2 and lime.
- the D50 of the magnesium hydroxide particles after sieving ranges from 2 to 3 ⁇ m.
- the D90 is 5 to 6 microns.
- the purity of magnesium hydroxide on a dry basis is 97.5%.
- the particles contain less than 1.5% by mass of SiO 2, and their specific surface area is of the order of 17 m2 / g after being suspended in water.
- the particles are suspended as follows:
- the fungicide of the invention has been shown to have no phytotoxicity at the doses at which it is effective, on field crops. Each of the tests were carried out according to "Good experimental practices”.
- Suspension A made in Example 1 was applied weekly or bimonthly during the period of plant susceptibility to the pathogen. The same test is carried out on the same crop the following year.
- Suspension A was applied to the leaves of the plant. The aspect of these is then studied. The phytotoxicity is checked visually and gives rise to a score of 0 to 10 (0 encoding an absence of phytotoxicity). A score of 0 was assigned in each of the tests performed. The results are shown in Table 2 below.
- Comparative Example 4 Comparison between a product of the invention and a product of the prior art
- the study is carried out in the laboratory.
- the solutions are applied on a plant (vine leaf). These are then inoculated with the pathogenic organism Guignardia bidwellii responsible for black rot of the vine. After 12 days of incubation, a notation of the colonization and the sporulation of the fungus is carried out under a binocular magnifying glass. An average of the damage over the ten repetitions is calculated and makes it possible to obtain the effectiveness of the modality compared to the untreated control.
- the product comprising magnesium hydroxide used in the context of the invention has a fungicidal efficacy greater than that of a product of the prior art comprising a composite of magnesium hydroxide nanocrystals, obtained by flash calcination according to l teaching of patent application WO 2015/100468.
- Table 3 The results are shown in Table 3 below
- Three magnesian products are studied here having a D50 of between 4 and 8 microns, with respective purities of 98% magnesia (comprising 2% calcite), 94% (comprising 3% periclase and 3% calcite) and 84% (comprising 14% akermanite and 2% calcite).
- the loss of purity of the magnesium product induces a sharp decrease in its fungicidal efficacy despite a high total magnesium content.
- the purity of magnesium hydroxide on a dry basis is a key point of its effectiveness.
- Particle size has a role in the effectiveness of the fungicide.
- a D50 greater than 10 microns does not make it possible to have a product of sufficient efficiency, contrary to what is suggested in the prior art.
- Comparative Example 7 Bacteriostatic activity of the products of the invention and bactericidal activity of the products of the prior art
- the first magnesium hydroxide results from chemical synthesis: it complies with that used in Example 1 to prepare suspension B. Its activity is measured relative to Control 1.
- the second magnesium hydroxide comes from calcination then hydration; it has for characteristics an D50 of 10 ⁇ m, an MgO content of 61.9% after hydration, and an Mg (OH) 2 purity of 87%. Its activity is measured relative to Control 2.
- the third magnesium hydroxide is obtained from brucite: it is consistent with that used to prepare suspension A of Example 1. Its activity is measured relative to Control 3.
- the bactericidal activity of a magnesium product of the prior art was measured at three different doses (25 g MgO / L equivalent to 36.2 g Mg (OH) 2 / L- Control 3, 50 g MgO / L equivalent to 72.5 g Mg (OH) 2 / L - Control 2 and 75 g MgO / L equivalent to 108.7 g Mg (OH) 2 / L - Control 1).
- the prior art product comprises a composite of nanocrystals of magnesium hydroxide; it is obtained by flash calcination according to the teaching of patent application WO 2015/100468.
- Each growth control of the strain consists of sterile distilled water.
- FIG. 3 illustrates the bactericidal effect of the suspension of the prior art: the bacteria are completely decimated after several hours.
- the present invention does not claim a bactericidal effect but only fungicidal.
- FIG. 2 shows that the product of the invention has a bacteriostatic effect (stabilization of the bacterial population over time).
- we claim a more interesting effect on fungi Table 3).
- the product of the invention is the best product for use as a fungicide in agriculture and the product of the prior art the best product with regard to the invention for use as a bactericide.
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- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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BR112021017850A BR112021017850A2 (pt) | 2019-03-21 | 2020-03-19 | Fungicida de contato para agricultura, composição líquida para tratamento com biocida foliar de uma cultura, processo para tratamento com fungicida de uma cultura, e, método para controlar um patógeno fúngico e para tratar uma doença fúngica de uma cultura |
EP20731160.6A EP3941202A1 (fr) | 2019-03-21 | 2020-03-19 | Hydroxyde de magnesium comme fongicide de contact en agriculture |
US17/440,575 US20220183298A1 (en) | 2019-03-21 | 2020-03-19 | Magnesium hydroxide for use as a contact fungicide in agriculture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1902955 | 2019-03-21 | ||
FR1902955A FR3093893B1 (fr) | 2019-03-21 | 2019-03-21 | Hydroxyde de magnésium comme fongicide de contact en agriculture |
Publications (1)
Publication Number | Publication Date |
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WO2020188225A1 true WO2020188225A1 (fr) | 2020-09-24 |
Family
ID=67185431
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Application Number | Title | Priority Date | Filing Date |
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PCT/FR2020/050601 WO2020188225A1 (fr) | 2019-03-21 | 2020-03-19 | Hydroxyde de magnesium comme fongicide de contact en agriculture |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220183298A1 (fr) |
EP (1) | EP3941202A1 (fr) |
AR (1) | AR118462A1 (fr) |
BR (1) | BR112021017850A2 (fr) |
FR (1) | FR3093893B1 (fr) |
WO (1) | WO2020188225A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022234582A1 (fr) * | 2021-05-06 | 2022-11-10 | Dead Sea Bromine Company Ltd. | Dispersions aqueuses de composés de magnésium destinées à être utilisées dans la conservation de produits récoltés |
WO2024023446A1 (fr) | 2022-07-27 | 2024-02-01 | Gaiago | Composition antifongique pulverisable utilisable en agriculture- procede et utilisation associes |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024157266A1 (fr) * | 2023-01-29 | 2024-08-02 | Bromine Compounds Ltd. | Procédé de lutte contre des maladies dans le sol touchant des plantes |
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US5906804A (en) * | 1994-07-25 | 1999-05-25 | Orica Australia Pty, Ltd. | Magnesium hydroxide slurries |
JP2002173404A (ja) * | 2000-12-07 | 2002-06-21 | Tokiwa Electric Co Ltd | 抗菌抗カビ性無機質構造材 |
US6827766B2 (en) | 2002-10-08 | 2004-12-07 | United States Air Force | Decontaminating systems containing reactive nanoparticles and biocides |
WO2015100468A1 (fr) | 2014-01-02 | 2015-07-09 | Calix Ltd | Produits d'oxyde formés de poudre de carbonate calcinée destinés à être utilisés comme biocide, détoxifiant chimique et produits de support catalytique |
WO2017219068A1 (fr) * | 2016-06-20 | 2017-12-28 | Calix Ltd | Matériau bioactif |
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2019
- 2019-03-21 FR FR1902955A patent/FR3093893B1/fr active Active
-
2020
- 2020-03-19 US US17/440,575 patent/US20220183298A1/en active Pending
- 2020-03-19 EP EP20731160.6A patent/EP3941202A1/fr active Pending
- 2020-03-19 BR BR112021017850A patent/BR112021017850A2/pt unknown
- 2020-03-19 WO PCT/FR2020/050601 patent/WO2020188225A1/fr unknown
- 2020-03-20 AR ARP200100793A patent/AR118462A1/es unknown
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US5906804A (en) * | 1994-07-25 | 1999-05-25 | Orica Australia Pty, Ltd. | Magnesium hydroxide slurries |
JP2002173404A (ja) * | 2000-12-07 | 2002-06-21 | Tokiwa Electric Co Ltd | 抗菌抗カビ性無機質構造材 |
US6827766B2 (en) | 2002-10-08 | 2004-12-07 | United States Air Force | Decontaminating systems containing reactive nanoparticles and biocides |
WO2015100468A1 (fr) | 2014-01-02 | 2015-07-09 | Calix Ltd | Produits d'oxyde formés de poudre de carbonate calcinée destinés à être utilisés comme biocide, détoxifiant chimique et produits de support catalytique |
WO2017219068A1 (fr) * | 2016-06-20 | 2017-12-28 | Calix Ltd | Matériau bioactif |
Cited By (4)
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WO2022234582A1 (fr) * | 2021-05-06 | 2022-11-10 | Dead Sea Bromine Company Ltd. | Dispersions aqueuses de composés de magnésium destinées à être utilisées dans la conservation de produits récoltés |
CN115460924A (zh) * | 2021-05-06 | 2022-12-09 | 死海溴品有限公司 | 用于保存收获的产品的镁化合物的水性分散体 |
WO2024023446A1 (fr) | 2022-07-27 | 2024-02-01 | Gaiago | Composition antifongique pulverisable utilisable en agriculture- procede et utilisation associes |
FR3138264A1 (fr) * | 2022-07-27 | 2024-02-02 | Gaiago | Composition antifongique pulverisable utilisable en agriculture- procede et utilisation associes |
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BR112021017850A2 (pt) | 2021-11-30 |
FR3093893B1 (fr) | 2021-09-17 |
US20220183298A1 (en) | 2022-06-16 |
AR118462A1 (es) | 2021-10-06 |
EP3941202A1 (fr) | 2022-01-26 |
FR3093893A1 (fr) | 2020-09-25 |
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