WO2020090866A1 - 除草剤組成物 - Google Patents
除草剤組成物 Download PDFInfo
- Publication number
- WO2020090866A1 WO2020090866A1 PCT/JP2019/042512 JP2019042512W WO2020090866A1 WO 2020090866 A1 WO2020090866 A1 WO 2020090866A1 JP 2019042512 W JP2019042512 W JP 2019042512W WO 2020090866 A1 WO2020090866 A1 WO 2020090866A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- less
- mass
- content
- herbicidal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- 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
- A01N25/24—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 ingredients to enhance the sticking of the active ingredients
-
- 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
-
- 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
- A01N25/22—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 ingredients stabilising the active ingredients
-
- 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
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P13/00—Herbicides; Algicides
Definitions
- the present invention relates to a herbicidal composition, a herbicidal method, and an efficacy enhancer composition for glufosinate.
- Glufosinate and its salts such as the ammonium salt of glufosinate, are known amino acid-based herbicides that are absorbed through the green part of plants.Ammonia accumulates due to glutamine synthase inhibition and inhibits physiological functions of plants. It is believed to exhibit herbicidal activity.
- JP 2001-524496 A discloses a liquid aqueous or aqueous solution comprising one or more basic cosurfactants and one or more surfactants from the group of acidic phosphates.
- Surfactant systems for organic formulations are disclosed.
- the formulation comprises, for example, glufosinate-ammonium or glyphosate (salt).
- 2002-537312 includes a) a pesticide electrolyte, b) a water-insoluble pesticide system, c) an alkyl glycoside, and d) an auxiliary surfactant which interacts with an alkyl glycoside to form a structured aqueous system.
- Aqueous pesticide concentrate formulations are disclosed.
- the present invention provides a herbicide composition using glufosinate, which is excellent in herbicidal effect.
- the present invention contains the following component (A), component (B) and component (C), and is a mass ratio of the content of component (B) to the content of component (C) (C) / (B ) Is 0.010 or more and 0.50 or less.
- Component (A) Compound selected from glufosinate and salts thereof
- Component (B) Compound represented by the following general formula (BI) R 1b O (R 2b O) n SO 3 ⁇ M + (BI) [In the formula, R 1b is a hydrocarbon group having 8 or more and 24 or less carbon atoms, R 2b is an alkanediyl group having 2 or more and 4 or less carbon atoms, n is an average addition mole number of 0 or more and 30 or less, and M + Is a counterion.
- Component (C) one or more compounds selected from compounds represented by the following general formula (CI) and compounds represented by the following general formula (C-II) R 1c —OH (CI) [In the formula, R 1c represents a hydrocarbon group having 8 or more and 18 or less carbon atoms. ] R 2c -N (R 3c ) 2 (C-II) [In the formula, R 2c represents a hydrocarbon group having 6 to 18 carbon atoms. R 3c independently represents a hydrogen atom, a methyl group, or a hydroxyethyl group. ]
- the present invention also relates to a herbicidal method for spraying a plant with the herbicidal spray solution prepared from the herbicidal composition of the present invention.
- the present invention is a potency enhancer composition for glufosinate containing the component (B) and the component (C), wherein the mass ratio of the content of the component (B) to the content of the component (C). (C) / (B) is 0.010 or more and 0.50 or less, and the efficacy enhancer composition for glufosinate.
- a herbicidal composition using glufosinate which has an excellent herbicidal effect.
- the reason why the herbicidal composition of the present invention is excellent in herbicidal effect is not always clear, but it is presumed as follows.
- the herbicidal performance of glufosinate is greatly affected by the amount of adhered droplets containing glufosinate, and in order to improve the adherence, the contact area between the droplet and plants (such as leaves) should be optimized. It is important to increase the adhesion energy.
- the component (B) and the component (C) in a predetermined ratio it is possible to achieve both a high attachment energy and an optimum contact area, and as a result of the improved adhesion, the herbicidal effect is improved. Inferred.
- the component (D) is contained, it is presumed that the adhered amount of the droplets is further increased and the herbicidal effect can be further improved for the same reason as above.
- the component (A) of the present invention is a compound selected from glufosinate and its salts.
- Ingredient (A) is an agricultural chemical active ingredient of an amino acid herbicide.
- a glufosinate registered as a pesticide in Japan, there is a compound of ammonium-DL-homoalanin-4-yl (methyl) phosphinate, that is, an ammonium salt.
- glufosinate is an acid type compound (phosphinic acid).
- a group is an acid type compound).
- Examples of the salt of glufosinate include ammonium salt and sodium salt.
- the component (B) of the present invention is a compound represented by the following general formula (BI).
- R 1b O (R 2b O) n SO 3 ⁇ M + (BI) [In the formula, R 1b is a hydrocarbon group having 8 or more and 24 or less carbon atoms, R 2b is an alkanediyl group having 2 or more and 4 or less carbon atoms, n is an average addition mole number of 0 or more and 30 or less, and M + Is a counterion. ]
- R 1b is preferably an aliphatic hydrocarbon group, more preferably an alkyl group, and further preferably a linear alkyl group, from the viewpoint of enhancing the herbicidal effect.
- the carbon number of R 1b is 8 or more, preferably 10 or more, more preferably 12 or more, from the viewpoint of enhancing the herbicidal effect, and preferably 16 or less, more preferably from the viewpoint of enhancing the herbicidal effect and improving the compounding stability. It is 14 or less.
- the carbon number of R 2b is preferably 2 or more and 3 or less, and more preferably 2 from the viewpoint of enhancing the herbicidal effect.
- R 2b is preferably an ethylene group.
- n is 0 or more, preferably 1 or more, more preferably 2 or more, from the viewpoint of enhancing the herbicidal effect, and preferably 10 or less, more preferably 5 or less, from the viewpoint of enhancing the herbicidal effect and improving the compounding stability. It is preferably 3 or less.
- M + is a counter ion, and examples thereof include an alkali metal ion such as sodium and potassium, an ammonium ion, a triethanolammonium ion, and the like, and from the viewpoint of enhancing the herbicidal effect and improving the formulation stability, preferably an alkali metal ion, More preferably, it is sodium ion.
- the component (C) of the present invention includes a compound represented by the general formula (CI) (hereinafter, also referred to as component (CI)) and a compound represented by the general formula (C-II) (hereinafter , Component (C-II)).
- R 1c is preferably an aliphatic hydrocarbon group, more preferably an alkyl group, from the viewpoint of enhancing the herbicidal effect, and further preferably a linear alkyl group from the viewpoint of easy availability. From the viewpoint of improving the compounding stability, a branched alkyl group is more preferable.
- the carbon number of R 1c is 8 or more, preferably 10 or more, from the viewpoint of enhancing the herbicidal effect, and preferably 18 or less, more preferably 16 or less, further preferably from the viewpoint of enhancing the herbicidal effect and improving the formulation stability. It is 14 or less.
- R 2c is preferably an aliphatic hydrocarbon group, more preferably an alkyl group, and further preferably a linear alkyl group, from the viewpoint of enhancing the herbicidal effect.
- the carbon number of R 2c is preferably 8 or more, more preferably 10 or more, and from the viewpoint of enhancing the herbicidal effect and improving the formulation stability, preferably 18 or less, more preferably 16 or less, It is more preferably 14 or less, still more preferably 12 or less.
- R 3c is independently preferably a hydrogen atom or a methyl group, more preferably a methyl group.
- the component (C-II) may be a salt in the herbicidal composition depending on the composition and the like. In the present invention, such salt is also regarded as the component (C-II).
- the herbicidal composition of the present invention contains the component (A) from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage, preferably 5% by mass or more, more preferably 10% by mass or more, further preferably 15% by mass. % Or more, and from the viewpoint of improvement of compounding stability and safety, the content is preferably 40% by mass or less, more preferably 30% by mass or less, and further preferably 25% by mass or less.
- content of the component (A) in a composition shall be based on the value converted into the acid type compound.
- the herbicidal composition of the present invention contains the component (B) preferably 5% by mass or more, more preferably 10% by mass or more, further preferably 15% by mass, from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage. % Or more, and from the viewpoint of improving the compounding stability and safety, the content is preferably 40% by mass or less, more preferably 30% by mass or less, and further preferably 20% by mass or less.
- content of the component (B) in a composition shall be based on the value converted into the acid type compound.
- the herbicidal composition of the present invention contains the component (C) preferably from 0.05% by mass or more, more preferably from 0.1% by mass or more, from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage.
- the content is preferably 0.25 mass% or more, and preferably 8 mass% or less, more preferably 5 mass% or less, and further preferably 3 mass% or less from the viewpoint of enhancing the herbicidal effect and improving the compounding stability.
- the content of the component (C-II) in the composition is based on the value converted into the amine type compound.
- (C) / (A) which is the mass ratio of the content of the component (A) and the content of the component (C), is preferably 0. 01 or more, more preferably 0.02 or more, still more preferably 0.03 or more, and from the viewpoint of enhancing the herbicidal effect and improving the compounding stability, preferably 0.4 or less, more preferably 0.35 or less, further preferably Is 0.3 or less, and more preferably 0.2 or less.
- (C) / (B), which is the mass ratio of the content of the component (B) and the content of the component (C), is 0.010 or more from the viewpoint of enhancing the herbicidal effect.
- the mass ratio (C) / (B) is preferably 0.02 or more, more preferably 0.05 or more, further from the viewpoint of enhancing the herbicidal effect. It is preferably 0.1 or more, and preferably 0.45 or less, more preferably 0.3 or less, and further preferably 0.2 or less from the viewpoint of enhancing the herbicidal effect and improving the compounding stability.
- the mass ratio (C) / (B) is preferably 0.012 or more, more preferably 0.016 or more from the viewpoint of enhancing the herbicidal effect.
- 0.020 or more and from the viewpoint of enhancing the herbicidal effect and improving the compounding stability, preferably 0.25 or less, more preferably 0.15 or less, further preferably 0.10 or less, still more preferably It is 0.060 or less.
- the total content of the component (B) and the component (C) is preferably 5% by mass or more, more preferably 5.5% by mass or more, further preferably from the viewpoint of enhancing the herbicidal effect.
- the herbicidal composition of the present invention has a mass ratio [(B) + (C)] / (A) of the content of the component (A) and the total content of the component (B) and the component (C), From the viewpoint of enhancing the herbicidal effect, preferably 0.1 or more, more preferably 0.3 or more, still more preferably 0.5 or more, and from the viewpoint of improving the economic efficiency and formulation stability during transportation and storage, preferably It is 3 or less, more preferably 2 or less, still more preferably 1.5 or less.
- the herbicidal composition of the present invention preferably further contains the following component (D).
- Component (D) may be an aromatic sulfonate having a hydrocarbon group substituting the aromatic ring, for example, an aliphatic hydrocarbon group.
- the aliphatic hydrocarbon group of the component (D) is preferably an alkyl group, more preferably a linear alkyl group, from the viewpoint of enhancing the herbicidal effect.
- the carbon number of the aliphatic hydrocarbon group of the component (D) is preferably 10 or more, more preferably 12 or more from the viewpoint of enhancing the herbicidal effect, and preferably 16 from the viewpoint of enhancing the herbicidal effect and improving the compounding stability. Or less, more preferably 14 or less.
- the component (D) one or more compounds selected from alkylbenzene sulfonates, alkylnaphthalene sulfonates and alkyl diphenyl ether disulfonates are preferably mentioned.
- the alkyl group in these compounds is preferably linear from the viewpoint of enhancing the herbicidal effect.
- the carbon number of the alkyl group is preferably 10 or more, more preferably 12 or more, from the viewpoint of enhancing the herbicidal effect, and preferably 16 or less, more preferably 14 or less, from the viewpoint of enhancing the herbicidal effect and improving formulation stability.
- the salt of the component (D) include alkali metal salts such as sodium salt and potassium salt, and ammonium salt. From the viewpoint of enhancing the herbicidal effect and improving the compounding stability, the salt is preferably the sodium salt.
- the composition preferably contains 0.25% by mass or more, more preferably 0.5% by mass, from the viewpoint of enhancing the herbicidal effect of the component (D). % Or more, more preferably 0.8% by mass or more, and from the viewpoint of enhancing the herbicidal effect and improving the compounding stability, preferably 5% by mass or less, more preferably 3% by mass or less, further preferably 1.5% by mass. Contains below.
- content of the component (D) in a composition shall be based on the value converted into the acid-type compound.
- the herbicidal composition of this invention contains a component (D), (D) / (B) which is a mass ratio of the content of a component (B) and the content of a component (D) is preferable.
- the herbicidal composition of the present invention is preferably a liquid composition, more preferably a liquid composition containing water, from the viewpoint of formulation stability.
- the herbicidal composition of the present invention contains water, from the viewpoint of compounding stability, preferably 10% by mass or more, more preferably 20% by mass or more, further preferably 30% by mass or more, and economy during transportation or storage. From the viewpoint of properties, the content is preferably 80% by mass or less, more preferably 70% by mass or less, and further preferably 60% by mass or less.
- water tap water, distilled water, deionized water or the like can be used as long as the effect of the herbicidal composition of the present invention is not impaired, and deionized water is preferable from the viewpoint of stability.
- the herbicidal composition of the present invention can contain an agricultural chemical substance of an existing herbicide other than the component (A) (hereinafter, also referred to as the component (A ′)).
- the component (A ′) include diphenyl ether herbicides such as acifluorfen, clomethoxynil, fomesafen, lactofen, oxyflofen, and aclonifen; phenoxycarboxylic acids such as 2,4-D, cromeprop, MCPA, MCPB, and MCPP.
- -Based herbicides dinitrophenol-based herbicides such as DNBP and dinoterb; carbamate-based herbicides such as carbetamide and IPC; bipyridinium-based herbicides such as diquat, paraquat; Herbicides; triazine herbicides such as amethrin, atrazine, promethone, and triethazine; sulfonyl sulfones such as amidesulfuron, dinosulfuron, flazasulfuron, iodosulfuron, and nicosulfuron. Rare herbicides; and other agricultural chemical raw materials for herbicides.
- the content of the component (A ′) is preferably 20% by mass or less, more preferably 15% by mass or less, further preferably 10% by mass from the viewpoint of reduction of environmental load and safety. Hereafter, it is more preferably 5% by mass or less, and preferably 0% by mass or more, and may be 0% by mass.
- (A ′) / (A) which is the mass ratio of the content of the component (A) and the content of the component (A ′), is from the viewpoint of reduction of environmental load and safety.
- it is preferably less than 1, more preferably 0.8 or less, still more preferably 0.5 or less, even more preferably 0.2 or less, even more preferably 0.1 or less, still more preferably 0.05 or less. Yes, and preferably 0 or more, and may be 0.
- the herbicidal composition of the present invention is a compound other than the components (A) to (C), water and the optional component (D) and the optional component (A ′), for example, an antifoaming agent, a surfactant, a solvent.
- an antifoaming agent for example, an antifoaming agent, a surfactant, a solvent.
- a chelating agent, a pH adjusting agent, an inorganic salt, a solubilizing agent, a coloring agent, an evaporation preventing agent, a thickening agent and the like can be optionally contained.
- the defoaming agent examples include silicone-based defoaming agents, polyoxyalkylene-modified hydrocarbon-based defoaming agents, and fluorine-based defoaming agents. From the viewpoint of defoaming properties, silicone-based defoaming agents are preferable.
- the silicone-based defoaming agent is more preferably silicone oil or modified silicone oil, and further preferably modified silicone oil from the viewpoint of compounding stability.
- Commercially available silicone oils are "Antifoam E-20" (manufactured by Kao Corporation), "KF-50", “KF-73”, “KF-71", “KM-7750", "KM-98".
- the herbicidal composition of the present invention contains an antifoaming agent, the content thereof is preferably 0.005% by mass or more, more preferably 0.01% by mass or more, and blended from the viewpoint of defoaming property.
- the mass ratio of the defoaming agent to the component (B), that is, the mass ratio of defoaming agent / component (B), is preferably 0.0002 or more, more preferably 0.0004 or more, further from the viewpoint of defoaming property. It is preferably 0.0008 or more, and preferably 0.01 or less, more preferably 0.008 or less, and further preferably 0.003 or less from the viewpoint of compounding stability and reduction of environmental load.
- the herbicidal composition of the present invention contains a component (B), a component (C), a component (D) and a surfactant other than the component used as the antifoaming agent (hereinafter, also referred to as component (E)).
- component (E) examples include anionic surfactants (excluding components (B) and (D)), cationic surfactants, nonionic surfactants and amphoteric surfactants.
- the component (E) may be a combination of two or more kinds.
- anionic surfactant examples include dialkyl sulfosuccinate, ⁇ -olefin sulfonate, alkane sulfonate, fatty acid salt and polyoxyalkylene fatty acid salt.
- the anionic surfactant is preferably one or more selected from dialkyl sulfosuccinates, fatty acid salts, polyoxyalkylene fatty acid salts and ⁇ -olefin sulfonates, more preferably dialkyl sulfosuccinates, fatty acid salts and polyalkyl sulfonates.
- the salt of the anionic surfactant include alkali metal salts such as sodium salt and potassium salt.
- nonionic surfactants include polyoxyalkylene alkyl ethers, sorbitan fatty acid esters, polyoxyalkylene fatty acid esters, polyoxyalkylene alkylamines, and alkyl (poly) glycosides.
- the nonionic surfactant is preferably one or more selected from alkyl (poly) glycosides and polyoxyalkylene alkyl ethers.
- amphoteric surfactant examples include alkyl betaine and alkyl (having 8 to 18 carbon atoms) dimethylamine oxide.
- the component (E) is more preferably one or more selected from alkyl betaine, alkyl (having 8 to 18 carbon atoms) dimethylamine oxide, and alkyl (poly) glycoside.
- the content of the component (E) is preferably 0.5% by mass or more, and more preferably from the viewpoint of enhancing the herbicidal effect and increasing the degree of freedom of formulation. Is 1% by mass or more, more preferably 2% by mass or more, and from the viewpoint of enhancing the herbicidal effect and compounding stability, preferably 20% by mass or less, more preferably 15% by mass or less, and further preferably 10% by mass or less. is there.
- the mass ratio of (component (B) + component (C)) / component (E) is preferably 2 or more from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage, It is more preferably 4 or more, still more preferably 6 or more, and preferably 50 or less, more preferably 20 or less, still more preferably 10 or less, from the viewpoint of enhancing the herbicidal effect and increasing the degree of freedom of formulation.
- the component (D) is an anionic surfactant
- the content of the component (D) in the composition may be based on a value converted into an acid type compound.
- a water-miscible solvent is suitable from the viewpoint of improving the handling stability by reducing the compounding stability and the viscosity, for example, a monohydric alcohol having 1 to 4 carbon atoms, a polyhydric alcohol having 2 to 4 carbon atoms.
- examples thereof include alcohol and glycol ether having a total carbon number of 3 or more and 10 or less, and glycol ether is preferable.
- examples of the monohydric alcohol include 2-propanol and 1-butanol.
- the polyhydric alcohol include 1,3-propanediol.
- the glycol ether include propylene glycol monomethyl ether and dipropylene glycol, and more preferably propylene glycol monomethyl ether.
- the other solvent examples include tetrahydrofurfuryl alcohol and the like. You may combine 2 or more types of solvents.
- the composition is preferably 2% by mass or more, more preferably 5% by mass or more, further preferably 8% by mass from the viewpoint of improving the compounding stability. % Or more, and from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage, the content is preferably 20% by mass or less, more preferably 15% by mass or less, and further preferably 12% by mass or less.
- the mass ratio of the solvent to the component (B), that is, the mass ratio of the solvent / component (B), is preferably 0.05 or more, more preferably 0.25 or more, and transportation or From the viewpoint of economy during storage, it is preferably 2 or less, more preferably 1 or less.
- the herbicidal composition of the present invention comprises the component (A), the component (B) and the component (C), and is a mass ratio of the amount of the component (B) and the amount of the component (C).
- the herbicidal composition may have (C) / (B) of 0.010 or more and 0.50 or less. The content of each component described above can be applied by replacing it with the blending amount.
- the herbicidal composition of the present invention has a viscosity at 25 ° C of preferably 1.0 mPa ⁇ s or more, more preferably 10 mPa ⁇ s or more, further preferably 25 mPa ⁇ s or more, and preferably from the viewpoint of stability. Is 200 mPa ⁇ s or less, more preferably 100 mPa ⁇ s or less, and further preferably 70 mPa ⁇ s or less from the viewpoint of handleability.
- This viscosity is measured using a Brookfield digital B type viscometer (model number: DV2T). CPA-41Z is used for the rotor, the liquid amount is 2 mL, the rotation speed is 10 rpm, and the value 1 minute after the start of measurement is the viscosity.
- the herbicidal composition of the present invention preferably has excellent transparency.
- the absorbance at a wavelength of 660 nm is preferably 1.0 or less, more preferably 0.5 or less, still more preferably 0.1 or less, still more preferably 0.05 or less.
- This absorbance is measured using a double beam spectrophotometer (U-2910 manufactured by HITACHI). The measurement is performed using a four-sided transparent standard disposable cell made by Nikko Hansen (product code 01960/00) as a cell and ultrapure water as a reference.
- the present invention contains the component (A), the component (B) and the component (C), and is a mass ratio of the content of the component (B) and the content of the component (C) (C) / (B).
- a composition having a ratio of 0.010 or more and 0.50 or less as a herbicide is provided.
- the embodiments described in the herbicidal composition of the present invention can be appropriately applied.
- the component (A), the component (B), the component (C), the optional components and the preferred embodiments thereof are the same as those described in the herbicide composition of the present invention.
- the present invention is a method for producing a herbicidal composition in which a component (A), a component (B) and a component (C) are mixed, and a mass of the mixed amount of the component (B) and the mixed amount of the component (C).
- a method for producing a herbicidal composition wherein the ratio (C) / (B) is 0.010 or more and 0.50 or less.
- the embodiments described in the herbicidal composition of the present invention and the efficacy enhancer composition for glufosinate of the present invention described below can be appropriately applied.
- the component (A), the component (B), the component (C), an optional component and preferred embodiments thereof are the herbicidal composition of the present invention and the efficacy for glufosinate of the present invention. It is the same as described for the enhancer composition. In the method for producing the herbicidal composition of the present invention, it is preferable to mix water.
- herbicidal method for spraying a plant with the herbicidal spray solution prepared from the herbicidal composition of the present invention.
- the above herbicide spraying liquid is preferably prepared by adding water to the herbicide composition of the present invention.
- the embodiments described in the herbicidal composition of the present invention can be applied as appropriate.
- the herbicidal composition of the present invention the total content of the component (A), the component (B) and the component (C) in the herbicidal spray solution, from the viewpoint of improving the herbicidal effect, Diluted with water to preferably 200 ppm or more, more preferably 400 ppm or more, further preferably 500 ppm or more, and from the viewpoint of reducing the environmental load, preferably 50,000 ppm or less, more preferably 10,000 ppm or less, still more preferably 5000 ppm or less. Used.
- the herbicide spray solution is preferably 0.5 L / ha or more, more preferably 50 L / ha or more, still more preferably 200 L / ha or more, still more preferably from the viewpoint of obtaining the efficacy of the pesticide. Is sprayed at a rate of 500 L / ha or more, and from the viewpoint of reducing the environmental load, preferably 2000 L / ha or less, more preferably 1500 L / ha or less, still more preferably 1200 L / ha or less, still more preferably 1000 L / ha. Spray at a ratio of ha or less.
- the weeding method of the present invention applies a predetermined spray solution to weeds, which are plants to be exterminated.
- Weeds are recognized in the agricultural field as herbs that grow on or near agricultural lands and harm crop production. In fields other than agriculture, for example, it naturally grows on non-agricultural land such as roads, railroad tracks, embankments, factory sites, land development, lawns, and gardens, not only agricultural land, and it interferes with the functions of the land. It is recognized as a herb that causes disasters and landscape problems. In the present invention, any of these herbs is included as a weed.
- Weeds include broadleaf weeds and grass weeds. Broad-leaved weeds have a reticulated vein, unlike weeds with linear leaves and parallel veins like grass weeds.
- the grasses that are the subject of the weeding method of the present invention include grass weeds.
- the weeding method of the present invention can target weeds selected from broadleaf weeds and grass weeds. Further, the herbicidal method of the present invention can be applied to barnyard grass.
- the component (B) and the component (C) are contained, and the mass ratio (C) / (B) of the content of the component (B) to the content of the component (C) is 0.010 or more.
- a potency enhancer composition for glufosinate having a value of 0.50 or less can be provided.
- the component (A) is excluded from the components blended in the efficacy enhancer composition for glufosinate of the present invention.
- the herbicide composition of the present invention can be prepared by blending the component (A) with the efficacy enhancer composition for glufosinate of the present invention.
- the method for producing the herbicidal composition of the present invention can be a production method in which the efficacy enhancer composition for glufosinate and the component (A) are mixed.
- the aspect described in the herbicidal composition and herbicidal method of the present invention can be appropriately applied to the efficacy enhancer composition for glufosinate of the present invention.
- the component (A), the component (B), the component (C) and preferred embodiments thereof are the same as those described in the herbicide composition of the present invention.
- the efficacy enhancer composition for glufosinate of the present invention preferably contains the component (B) in an amount of 10% by mass or more, and more preferably 20% by mass, from the viewpoints of easy handling, enhanced herbicidal effect, and economical efficiency during transportation and storage.
- the above content is more preferably 30% by mass or more, and from the viewpoint of improving the compounding stability, preferably 90% by mass or less, more preferably 80% by mass or less, and further preferably 70% by mass or less.
- the efficacy enhancer composition for glufosinate of the present invention preferably contains the component (C) in an amount of 0.1% by mass or more, and more preferably 0% from the viewpoint of easy handling, enhanced herbicidal effect, and economical efficiency during transportation and storage. 0.25% by mass or more, more preferably 0.5% by mass or more, and preferably 20% by mass or less, more preferably 10% by mass or less, and further preferably 5% by mass from the viewpoint of enhancing the herbicidal effect and improving the compounding stability. % Or less.
- (C) / (B) which is the mass ratio of the content of the component (B) and the content of the component (C), is easy to handle and enhances the herbicidal effect.
- 0.010 or more preferably 0.015 or more, more preferably 0.025 or more, still more preferably 0.050 or more, still more preferably 0.10 or more, and from the same viewpoint, 0.50 or more.
- 0.50 or more preferably 0.45 or less, more preferably 0.34 or less, still more preferably 0.25 or less, still more preferably 0.20 or less, still more preferably 0.12 or less.
- the total content of the component (B) and the component (C) is preferably 10% by mass or more, and more preferably 15% by mass from the viewpoint of economy during transportation and storage. % Or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, and from the viewpoint of improving compounding stability, preferably 90% by mass or less, more preferably 80% by mass or less, and further preferably 70% by mass. % Or less.
- the efficacy enhancer composition for glufosinate of the present invention comprises the component (B) and the component (C), and is a mass ratio of the amount of the component (B) and the amount of the component (C) (C ) / (B) is 0.010 or more and 0.50 or less, and it may be a potentiator composition for glufosinate.
- the content of each component described above can be applied by replacing it with the blending amount.
- the present invention is a method for producing a potency enhancer composition for glufosinate, which comprises mixing component (B) and component (C), wherein the mass ratio of the mixed amount of component (B) and the mixed amount of component (C) is:
- a method for producing an efficacy enhancer composition for glufosinate wherein (C) / (B) is 0.010 or more and 0.50 or less.
- the embodiments described in the herbicide composition of the present invention and the efficacy enhancer composition of glufosinate of the present invention can be appropriately applied.
- the component (B), the component (C), optional components and preferred embodiments thereof are the herbicidal composition of the present invention and the efficacy enhancer of glufosinate of the present invention It is the same as described in the composition.
- the efficacy enhancer composition for glufosinate of the present invention may be a liquid composition from the viewpoint of easy handling. Further, it is preferably a liquid composition containing water.
- the efficacy enhancer composition for glufosinate of the present invention contains water, from the viewpoint of compounding stability, preferably 5% by mass or more, more preferably 8% by mass or more, further preferably 10% by mass or more, and transportation or storage. From the viewpoint of economy at the time, the content is preferably 60% by mass or less, more preferably 50% by mass or less, and further preferably 40% by mass or less.
- water tap water, distilled water, deionized water or the like can be used as long as the effect of the efficacy enhancer composition for glufosinate of the present invention is not impaired. From the viewpoint of stability, deionized water is preferable. Is.
- the efficacy enhancer composition for glufosinate of the present invention comprises components (A) to (C), compounds other than water, such as defoaming agents, surfactants, solvents, chelating agents, pH adjusting agents, inorganic salts, and the like.
- a solubilizer, a colorant, an evaporation inhibitor, a thickener and the like can be optionally contained.
- the efficacy enhancer composition for glufosinate of the present invention When compounding the efficacy enhancer composition for glufosinate of the present invention and the component (A), it is a mass ratio of the compounding amount of the component (A) and the total compounding amount of the component (B) and the component (C). From the viewpoint of enhancing the herbicidal effect, [(B) + (C)] / (A) is preferably 0.1 or more, more preferably 0.3 or more, still more preferably 0.5 or more, and the environmental load. From the viewpoint of reduction and improvement of compounding stability, it is preferable to mix and use it so as to be preferably 3 or less, more preferably 2 or less, still more preferably 1.5 or less.
- the component (A) and the efficacy enhancer composition for glufosinate are used in the amounts of the component (A), the component (B), and the total amount of the component (C). It is preferable to mix them so that the mass ratio of [(B) + (C)] / (A) is within the above range.
- the efficacy enhancer composition for glufosinate of the present invention preferably contains the component (D).
- Specific examples and preferred embodiments of the component (D) are the same as those of the herbicidal composition of the present invention.
- the composition preferably contains the component (D) from the viewpoint of enhancing the herbicidal effect and economical efficiency during transportation and storage. 1 mass% or more, more preferably 0.25 mass% or more, further preferably 0.5 mass% or more, and preferably 20 mass% or less, more preferably 10 mass% from the viewpoint of enhancing the herbicidal effect and improving the compounding stability.
- the content is not more than 5% by mass, more preferably not more than 5% by mass.
- the mass ratio (D) / (B) between the content of the component (B) and the content of the component (D) is , Preferably 0.01 or more, more preferably 0.03 or more, further preferably 0.05 or more, and preferably 0.4 or less, more preferably 0.2 or less, further preferably 0.1 or less, More preferably, it is 0.08 or less.
- the present invention contains the component (B) and the component (C), and the mass ratio (C) / (B) of the content of the component (B) to the content of the component (C) is 0.010 or more.
- this invention contains a component (B) and a component (C), and (C) / (B) which is a mass ratio of the content of a component (B) and the content of a component (C) is 0.
- the composition preferably contains the component (D).
- the embodiments described in the herbicide composition, the herbicidal method and the efficacy enhancer composition for glufosinate of the present invention can be appropriately applied.
- the component (A), the component (B), the component (C) and their preferred embodiments are the same as those described in the herbicidal composition of the present invention. Is.
- the efficacy enhancer composition for glufosinate of the present invention has a viscosity at 25 ° C. of preferably 10000 mPa ⁇ s or more, more preferably 20000 mPa ⁇ s or more, and further preferably 25000 mPa ⁇ s or more, from the viewpoint of stability of the composition. From the viewpoint of handleability, it is preferably 100,000 mPa ⁇ s or less, more preferably 80,000 mPa ⁇ s or less, still more preferably 50,000 mPa ⁇ s or less. This viscosity is measured using a Brookfield digital B type viscometer (model number: DV2T). CPA-41Z is used for the rotor, the liquid amount is 2 mL, the rotation speed is 10 rpm, and the value 1 minute after the start of measurement is the viscosity.
- the efficacy enhancer composition for glufosinate of the present invention has an absorbance at a wavelength of 660 nm of preferably 0.1 or more, more preferably 0.5 or more, further preferably 1.0 or more, and preferably 5.0 or less. , More preferably 4.0 or less, still more preferably 3.0 or less.
- This absorbance is measured using a double beam spectrophotometer (U-2910 manufactured by HITACHI). The measurement is performed using a four-sided transparent standard disposable cell made by Nikko Hansen (product code 01960/00) as a cell and ultrapure water as a reference.
- Example 1 and Comparative Example 1 The herbicidal compositions shown in Tables 1 and 2 were prepared using the above components, and the following items were evaluated. The results are shown in Tables 1 and 2.
- the herbicidal compositions shown in Tables 1 and 2 were prepared by a conventional method. That is, the component (A), the component (B), the component (C), the component (D), the component (E), the solvent and the defoaming agent were added to an appropriate amount of ion-exchanged water in the blending amounts shown in the table, and the temperature was adjusted to room temperature. It was dissolved at (25 ° C).
- the mass% of the compounding ingredients in Tables 1 and 2 are all numerical values based on effective components (some components are values converted into acid type compounds or amine type compounds). Further, in Tables 1 and 2, the "remainder" of water is the amount that makes the entire composition 100% by mass.
- the herbicidal property was evaluated visually, and the score was evaluated as 0 point for the state of the untreated pot in which the herbicide was not sprayed, and 100 point for the state where the aerial part of the barnyard grass was completely dead.
- the herbicidal effect was determined for each pot, and the average values of the evaluation points are shown in Tables 1 and 2. The higher this value, the higher the herbicidal effect.
- Example 1-22 containing an antifoaming agent, foaming of the composition was suppressed while maintaining herbicidal performance, productivity of the composition, ease of filling, ease of preparation of the herbicide spraying liquid, and handling. The property has improved.
- the efficacy enhancer composition for glufosinate shown in Table 3 was prepared using the above-mentioned components, and the following items were evaluated. The results are shown in Table 3.
- the efficacy enhancer composition for glufosinate in Table 3 was prepared by a conventional method. That is, the component (B) and the component (C) were added to the appropriate amount of ion-exchanged water in the compounding amounts shown in the table and dissolved at room temperature (25 ° C.).
- the mass% of the compounding components in Table 3 is a numerical value based on all effective components (values of some components converted to acid type compounds or amine type compounds). Further, in Table 3, the "remainder" of water is the amount that makes the entire composition 100% by mass.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
グルホシネートやその塩、例えば、グルホシネートのアンモニウム塩は、植物の緑色部分を経て吸収される既知のアミノ酸系除草剤であり、グルタミン合成酵素阻害によりアンモニアが蓄積し、植物の生理機能を阻害して殺草活性を示すと考えられている。
特表2001-524496号公報には、1つ又は1つより多くの塩基性共界面活性剤及び1つ又は1つより多くの酸性リン酸エステルの群からの界面活性剤からなる液体水性又は水性有機配合物のための界面活性剤系が開示されている。前記配合物は、例えばグルホシネート-アンモニウム又はグリホサート(塩)を含んでいる。
特表2002-537312号公報には、a)農薬電解質、b)水不溶性農薬系、c)アルキルグリコシド、d)アルキルグリコシドと相互作用して構造化水性系を形成する補助界面活性剤、を含む水性農薬濃縮配合物が開示されている。
本発明は、除草効果に優れた、グルホシネートを用いた除草剤組成物を提供する。
成分(A):グルホシネート及びその塩から選ばれる化合物
成分(B):下記一般式(B-I)で表される化合物
R1bO(R2bO)nSO3 -M+ (B-I)
〔式中、R1bは炭素数8以上24以下の炭化水素基、R2bは炭素数2以上4以下のアルカンジイル基、nは平均付加モル数であって0以上30以下であり、M+は対イオンである。〕
成分(C):下記一般式(C-I)で表される化合物及び下記一般式(C-II)で表される化合物から選ばれる1種以上の化合物
R1c-OH (C-I)
〔式中、R1cは、炭素数8以上18以下の炭化水素基を示す。〕
R2c-N(R3c)2 (C-II)
〔式中、R2cは、炭素数6以上18以下の炭化水素基を示す。R3cは、独立して、水素原子、メチル基、又はヒドロキシエチル基を示す。〕
〔除草剤組成物〕
本発明の除草剤組成物が除草効果に優れる理由は必ずしも定かではないが以下のように推定される。グルホシネートの除草性能は、散布されたグルホシネートを含む液滴の付着量に大きく影響され、付着性を高めるには当該液滴と植物(葉など)との接触面積を最適な値にすること、更に付着エネルギーを高めることが重要である。本発明では成分(B)と成分(C)を所定の比率で用いることで、高い付着エネルギーと最適な接触面積を両立することができ、付着性が高められた結果、除草効果が向上したと推察される。更に、成分(D)を含有する場合は、上記と同様の理由で当該液滴の付着量がより高まり、除草効果を更に向上できると推察される。
本発明の成分(A)は、グルホシネート及びその塩から選ばれる化合物である。成分(A)は、アミノ酸系除草剤の農薬原体である。なお、日本において農薬登録されているグルホシネートとして、アンモニウム-DL-ホモアラニン-4-イル(メチル)ホスフィネート、すなわち、アンモニウム塩の化合物があるが、本発明でグルホシネートという場合、酸型の化合物(ホスフィン酸基が酸型の化合物)を指すものとする。
グルホシネートの塩は、アンモニウム塩、ナトリウム塩が挙げられる。
成分(A)を除草剤組成物に配合するにあたり、成分(A)を含有する水溶液、液剤、水和剤等を使用することもできる。
本発明の成分(B)は、下記一般式(B-I)で表される化合物である。
R1bO(R2bO)nSO3 -M+ (B-I)
〔式中、R1bは炭素数8以上24以下の炭化水素基、R2bは炭素数2以上4以下のアルカンジイル基、nは平均付加モル数であって0以上30以下であり、M+は対イオンである。〕
R2bの炭素数は、除草効果増強の観点から、好ましくは2以上3以下、より好ましくは2である。R2bは、好ましくはエチレン基である。
nは、除草効果増強の観点から、0以上、好ましくは1以上、より好ましくは2以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは10以下、より好ましくは5以下、更に好ましくは3以下である。
M+は、対イオンであり、例えばナトリウムやカリウムなどのアルカリ金属のイオン、アンモニウムイオン、トリエタノールアンモニウムイオンなどが挙げられ、除草効果増強及び配合安定性向上の観点から、好ましくはアルカリ金属イオン、より好ましくはナトリウムイオンである。
本発明の成分(C)は、前記一般式(C-I)で表される化合物(以下、成分(C-I)ともいう)及び前記一般式(C-II)で表される化合物(以下、成分(C-II)ともいう)から選ばれる1種以上の化合物である。
成分(C-I)において、R1cは、除草効果増強の観点から、好ましくは脂肪族炭化水素基、より好ましくはアルキル基であり、入手容易性の観点からは、更に好ましくは直鎖のアルキル基であり、配合安定性向上の観点からは、更に好ましくは分岐のアルキル基である。R1cの炭素数は、除草効果増強の観点から、8以上、好ましくは10以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは18以下、より好ましくは16以下、更に好ましくは14以下である。
成分(C-II)において、R2cは、除草効果増強の観点から、好ましくは脂肪族炭化水素基、より好ましくはアルキル基、更に好ましくは直鎖のアルキル基である。R2cの炭素数は、除草効果増強の観点から、好ましくは8以上、より好ましくは10以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは18以下、より好ましくは16以下、更に好ましくは14以下、より更に好ましくは12以下である。R3cは、独立して、好ましくは水素原子又はメチル基、より好ましくはメチル基である。なお、成分(C-II)は、組成等により、除草剤組成物中で塩となっている場合もある。本発明では、そのような塩も成分(C-II)とみなす。
本発明の除草剤組成物は、成分(A)を、除草効果増強及び輸送や保管時の経済性の観点から、好ましくは5質量%以上、より好ましくは10質量%以上、更に好ましくは15質量%以上、そして、配合安定性向上及び安全性の観点から、好ましくは40質量%以下、より好ましくは30質量%以下、更に好ましくは25質量%以下含有する。なお、本発明では、組成物中の成分(A)の含有量は、酸型の化合物に換算した値に基づくものとする。
また、成分(C)が成分(C-II)である場合、前記質量比(C)/(B)は、除草効果増強の観点から、好ましくは0.012以上、より好ましくは0.016以上、更に好ましくは0.020以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは0.25以下、より好ましくは0.15以下、更に好ましくは0.10以下、より更に好ましくは0.060以下である。
成分(D):脂肪族炭化水素基を有する芳香族スルホン酸塩
成分(D)は、芳香環に置換する炭化水素基、例えば脂肪族炭化水素基を有する芳香族スルホン酸塩であってよい。
成分(D)の脂肪族炭化水素基は、除草効果増強の観点から、好ましくはアルキル基、より好ましくは直鎖のアルキル基である。
成分(D)の脂肪族炭化水素基の炭素数は、除草効果増強の観点から、好ましくは10以上、より好ましくは12以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは16以下、より好ましくは14以下である。
成分(D)としては、アルキルベンゼンスルホン酸塩、アルキルナフタレンスルホン酸塩及びアルキルジフェニルエーテルジスルホン酸塩から選ばれる1種以上の化合物が好ましく挙げられる。これらの化合物におけるアルキル基は、除草効果増強の観点から、好ましくは直鎖である。前記アルキル基の炭素数は、除草効果増強の観点から、好ましくは10以上、より好ましくは12以上、そして、除草効果増強及び配合安定性向上の観点から、好ましくは16以下、より好ましくは14以下である。
成分(D)の塩は、例えばナトリウム塩、カリウム塩などのアルカリ金属塩、アンモニウム塩が挙げられ、除草効果増強及び配合安定性向上の観点から、好ましくはナトリウム塩である。
水としては、本発明の除草剤組成物の効果を阻害しない範囲で、水道水、蒸留水、脱イオン水などを使用することができ、安定性の観点から、好ましくは脱イオン水である。
成分(A’)としては、例えば、アシフルオルフェン、クロメトキシニル、ホメサフェン、ラクトフェン、オキシフローフェン、アクロニフェン等のジフェニルエーテル系除草剤;2,4-D、クロメプロップ、MCPA、MCPB、MCPP等のフェノキシカルボン酸系除草剤;DNBP、ジノテルブ等のジニトロフェノール系除草剤;カルベタミド、IPC等のカーバーメート系除草剤;ジクワット、パラコート等のビピリジニウム系除草剤;ジウロン、ジメフロン、エチジムロン、フェニュロン、メトキスロン、ベンタゾン等のウレア系除草剤;アメトリン、アトラジン、プロメトン、トリエタジン等のトリアジン系除草剤;アミドスルフロン、ジノスルフロン、フラザスルフロン、ヨードスルフロン、ニコスルフロン等のスルホニルウレア系除草剤;などの除草剤の農薬原体が挙げられる。
本発明により、本発明の除草剤組成物から調製した除草剤散布液を植物に散布する除草方法を提供できる。前記除草剤散布液は、本発明の除草剤組成物に水を添加して調製することが好ましい。
本発明の除草方法においては、本発明の除草剤組成物で述べた態様を適宜適用することができる。
本発明により、成分(B)及び成分(C)を含有し、成分(B)の含有量と成分(C)の含有量との質量比である(C)/(B)が0.010以上0.50以下である、グルホシネート用効力増強剤組成物を提供できる。
本発明のグルホシネート用効力増強剤組成物に配合される成分からは、成分(A)は除かれる。
本発明のグルホシネート用効力増強剤組成物に成分(A)を配合することで、本発明の除草剤組成物を調製することができる。すなわち、本発明の除草剤組成物の製造方法は、前記グルホシネート用効力増強剤組成物と成分(A)とを混合する、製造方法とすることができる。
本発明のグルホシネート用効力増強剤組成物には、本発明の除草剤組成物及び除草方法で述べた態様を適宜適用することができる。本発明のグルホシネート用効力増強剤組成物において、成分(A)、成分(B)、成分(C)及びこれらの好ましい態様は、本発明の除草剤組成物で述べたものと同じである。
本発明のグルホシネート用効力増強剤組成物は、水を、配合安定性の観点から、好ましくは5質量%以上、より好ましくは8質量%以上、更に好ましくは10質量%以上、そして、輸送や保管時の経済性の観点から、好ましくは60質量%以下、より好ましくは50質量%以下、更に好ましくは40質量%以下含有する。
水としては、本発明のグルホシネート用効力増強剤組成物の効果を阻害しない範囲で、水道水、蒸留水、脱イオン水などを使用することができ、安定性の観点から、好ましくは脱イオン水である。
以下に、実施例、比較例で用いた配合成分を示す。
<配合成分>
成分(A)
・A1:グルホシネートアンモニウム塩(富士フィルム和光純薬株式会社製)
成分(B)
・B1:ポリオキシエチレン(平均付加モル数2)ラウリルエーテル硫酸ナトリウム(花王株式会社製「エマール 270J」、有効分70質量%水溶液)
・B2:ポリオキシエチレン(平均付加モル数3)ラウリルエーテル硫酸ナトリウム(花王株式会社製「エマール 20C」、有効分25質量%水溶液)
成分(C)
・C1:デシルアルコール(花王株式会社製「カルコール 1098」)
・C2:ドデシルアルコール(花王株式会社製「カルコール 2098」)
・C3:N,N-ジメチルデシルアミン(東京化成工業株式会社製)
・C4:イソトリデカノール(KHネオケム株式会社製「トリデカノール」)
成分(D)
・D1:ドデシルベンゼンスルホン酸ナトリウム(花王株式会社製「ネオペレックス G-25」、有効分25質量%水溶液)
成分(E)
・E1:デシルグルコシド(花王株式会社製「マイドール 10」)
溶剤
・PM:プロピレングリコールモノメチルエーテル(日本乳化剤株式会社製「メチルプロピレングリコール」)
消泡剤
・KF-6701:変性シリコーンオイル、KF-6701、信越化学工業株式会社製
前記配合成分を用いて、表1、2に示す除草剤組成物を調製し、以下の項目について評価を行った。結果を表1、2に示す。表1、2の除草剤組成物は、常法により調製した。即ち、適量のイオン交換水に、成分(A)、成分(B)、成分(C)、成分(D)、成分(E)、溶剤及び消泡剤を表中の配合量で添加し、室温(25℃)で溶解させた。なお、表1、2中の配合成分の質量%は、全て有効分(一部の成分は酸型化合物ないしアミン型化合物に換算した値)に基づく数値である。また、表1、2中、水の「残部」は組成物の全体を100質量%とする量である。
表1の調製直後の除草剤組成物10gをガラス製透明容器(容量20mL)中に入れ、80℃の恒温器に1日保存したものの外観を目視により観察し、以下の基準により配合安定性を判定した。結果を表1に示す。なお、グルホシネートアンモニウム塩を、グリホサートアンモニウム塩(富士フィルム和光純薬株式会社製)に置き換えた場合は、表1のいずれの条件においても均一にはならなかった。
均一:二層に分離せず均一である。
分離:二層に分離している。
9cmポットにイヌビエを生育させ、草丈が40cm程度の植物体を試験に供した。水1Lに表1、2の各除草剤組成物3.3gを添加し、均一に撹拌し、各除草剤散布液を作製した。調製した各除草剤散布液を、5つのポットのイヌビエに25L/10aに相当する散布量で前記植物体全体にかかるように葉面散布した。葉面散布から14日後の除草性を評価した。
除草性の評価は、目視で判定し、評点として、除草剤を散布しない未処理のポットの状態を0点、イヌビエの地上部が完全枯死した状態を100点として評価した。評価はポットごとに除草性効果を判定し、その評価点の平均値を表1、2に示した。この数値が高いほど、除草効力が高いことを示す。
前記配合成分を用いて、表3に示すグルホシネート用効力増強剤組成物を調製し、以下の項目について評価を行った。結果を表3に示す。表3のグルホシネート用効力増強剤組成物は、常法により調製した。即ち、適量のイオン交換水に、成分(B)及び成分(C)を表中の配合量で添加し、室温(25℃)で溶解させた。なお、表3中の配合成分の質量%は、全て有効分(一部の成分は酸型化合物ないしアミン型化合物に換算した値)に基づく数値である。また、表3中、水の「残部」は組成物の全体を100質量%とする量である。
表3の効力増強剤組成物の粘度を、Brookfield社製デジタル回転粘度計(型番:DV2T)を用いて測定した。コーンスピンドルにはCPA-41Zを用い、液量2mL、回転数10rpm、測定開始から1分後の数値を粘度とした。結果を表3に示す。
表3の効力増強剤組成物50質量部、グルホシネートアンモニウム塩20質量部、及び水30質量部を常法により調製した除草剤組成物10gをガラス製透明容器(容量20mL)中に入れ、80℃の恒温器に1日保存したものの外観を目視により観察し、以下の基準により配合安定性を判定した。結果を表3に示す。なお、グルホシネートアンモニウム塩をグリホサートアンモニウム塩に置き換えた場合は、表3のいずれの条件においても均一にはならなかった。
均一:二層に分離せず均一である。
分離:二層に分離している。
前記配合安定性2の試験方法と同じ組成比で調製した除草剤組成物を用いて、前記除草性1の試験方法と同様に除草性を評価した。結果を表3に示す。
Claims (14)
- 下記成分(A)、成分(B)及び成分(C)を含有し、成分(B)の含有量と成分(C)の含有量との質量比である(C)/(B)が0.010以上0.50以下である、除草剤組成物。
成分(A):グルホシネート及びその塩から選ばれる化合物
成分(B):下記一般式(B-I)で表される化合物
R1bO(R2bO)nSO3 -M+ (B-I)
〔式中、R1bは炭素数8以上24以下の炭化水素基、R2bは炭素数2以上4以下のアルカンジイル基、nは平均付加モル数であって0以上30以下であり、M+は対イオンである。〕
成分(C):下記一般式(C-I)で表される化合物及び下記一般式(C-II)で表される化合物から選ばれる1種以上の化合物
R1c-OH (C-I)
〔式中、R1cは、炭素数8以上18以下の炭化水素基を示す。〕
R2c-N(R3c)2 (C-II)
〔式中、R2cは、炭素数6以上18以下の炭化水素基を示す。R3cは、独立して、水素原子、メチル基、又はヒドロキシエチル基を示す。〕 - 更に、下記成分(D)を含有する、請求項1記載の除草剤組成物。
成分(D):脂肪族炭化水素基を有する芳香族スルホン酸塩 - 成分(D)が、アルキルベンゼンスルホン酸塩、アルキルナフタレンスルホン酸塩及びアルキルジフェニルエーテルジスルホン酸塩から選ばれる1種以上の化合物である、請求項2記載の除草剤組成物。
- 成分(B)の含有量と成分(D)の含有量との質量比である(D)/(B)が、0.01以上0.4以下である、請求項2又は3記載の除草剤組成物。
- R1cの炭素数が10以上14以下である、請求項1~4の何れか1項記載の除草剤組成物。
- 成分(A)を、5質量%以上40質量%以下含有する、請求項1~5の何れか1項記載の除草剤組成物。
- 成分(A)の含有量と、成分(B)と成分(C)の合計含有量との質量比である[(B)+(C)]/(A)が、0.1以上3以下である、請求項1~6の何れか1項記載の除草剤組成物。
- 成分(A)の含有量と成分(C)の含有量との質量比である(C)/(A)が、0.01以上0.4以下である、請求項1~7の何れか1項記載の除草剤組成物。
- アルキルベタイン、アルキル(炭素数8以上18以下)ジメチルアミンオキサイド及びアルキル(ポリ)グリコシド、から選ばれる成分を含有する、請求項1~8の何れか1項記載の除草剤組成物。
- 請求項1~9の何れか1項記載の除草剤組成物から調製した除草剤散布液を植物に散布する除草方法。
- 下記成分(B)及び成分(C)を含有するグルホシネート用効力増強剤組成物であって、成分(B)の含有量と成分(C)の含有量との質量比である(C)/(B)が0.010以上0.50以下である、グルホシネート用効力増強剤組成物。
成分(B):下記一般式(B-I)で表される化合物
R1bO(R2bO)nSO3 -M+ (B-I)
〔式中、R1bは炭素数8以上24以下の炭化水素基、R2bは炭素数2以上4以下のアルカンジイル基、nは平均付加モル数であって0以上30以下であり、M+は対イオンである。〕
成分(C):下記一般式(C-I)で表される化合物及び下記一般式(C-II)で表される化合物から選ばれる1種以上の化合物
R1c-OH (C-I)
〔式中、R1cは、炭素数8以上18以下の炭化水素基を示す。〕
R2c-N(R3c)2 (C-II)
〔式中、R2cは、炭素数6以上18以下の炭化水素基を示す。R3cは、独立して、水素原子、メチル基、又はヒドロキシエチル基を示す。〕 - R1cの炭素数が10以上14以下である、請求項11記載のグルホシネート用効力増強剤組成物。
- 更に、下記成分(D)を含有する、請求項11又は12記載のグルホシネート用効力増強剤組成物。
成分(D):脂肪族炭化水素基を有する芳香族スルホン酸塩 - 成分(D)が、アルキルベンゼンスルホン酸塩、アルキルナフタレンスルホン酸塩及びアルキルジフェニルエーテルジスルホン酸塩から選ばれる1種以上の化合物である、請求項13記載のグルホシネート用効力増強剤組成物。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3113599A CA3113599A1 (en) | 2018-10-31 | 2019-10-30 | Herbicide composition |
| CN201980061982.6A CN112739211B (zh) | 2018-10-31 | 2019-10-30 | 除草剂组合物 |
| US17/284,804 US20210337787A1 (en) | 2018-10-31 | 2019-10-30 | Herbicide composition |
| EP19879087.5A EP3874951B1 (en) | 2018-10-31 | 2019-10-30 | Herbicide composition |
| MYPI2021002290A MY204732A (en) | 2018-10-31 | 2019-10-30 | Herbicide composition |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-205094 | 2018-10-31 | ||
| JP2018205094 | 2018-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020090866A1 true WO2020090866A1 (ja) | 2020-05-07 |
Family
ID=70463789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2019/042512 Ceased WO2020090866A1 (ja) | 2018-10-31 | 2019-10-30 | 除草剤組成物 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20210337787A1 (ja) |
| EP (1) | EP3874951B1 (ja) |
| JP (1) | JP7359646B2 (ja) |
| CN (1) | CN112739211B (ja) |
| CA (1) | CA3113599A1 (ja) |
| MY (1) | MY204732A (ja) |
| WO (1) | WO2020090866A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220386618A1 (en) * | 2019-11-20 | 2022-12-08 | Eureka! Agresearch Pty Ltd | Herbicidal glufosinate composition |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR127886A1 (es) * | 2021-12-22 | 2024-03-06 | Nouryon Chemicals Int Bv | Método para formar una composición agrícola lista para usar que comprende glufosinato y composición agrícola lista para usar obtenible a partir de dicho método |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10512575A (ja) * | 1995-01-24 | 1998-12-02 | ヘキスト・シエーリング・アグレボ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | グルホシナート及びニトロジフェニルエーテルに基づく相乗剤的除草剤及びそれらの処方物 |
| JP2001524496A (ja) | 1997-11-27 | 2001-12-04 | アベンティス・クロップサイエンス・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 液体水性製造物のための界面活性剤系 |
| JP2002537312A (ja) | 1999-02-22 | 2002-11-05 | シンジェンタ リミテッド | 農薬配合物 |
| JP2009525345A (ja) * | 2006-02-03 | 2009-07-09 | バイエル クロップサイエンス エルピー | 安定した濃縮除草剤組成物 |
| WO2012086617A1 (ja) * | 2010-12-21 | 2012-06-28 | Meiji Seikaファルマ株式会社 | 安定化された液状の水性作物保護剤組成物 |
| JP2015205869A (ja) * | 2014-04-09 | 2015-11-19 | 花王株式会社 | アミノ酸系農薬用効力増強剤組成物 |
| WO2017104733A1 (ja) * | 2015-12-16 | 2017-06-22 | 花王株式会社 | 農薬用効力増強剤組成物 |
| WO2017196856A1 (en) * | 2016-05-12 | 2017-11-16 | Basf Se | Stable, glufosinate-containing herbicidal compositions |
| WO2019212888A1 (en) * | 2018-05-02 | 2019-11-07 | Dow Agrosciences Llc | Compositions containing glufosinate salt and a synthetic auxin herbicide salt |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100022392A1 (en) * | 2008-07-22 | 2010-01-28 | Long David A | Stable, concentrated herbicidal compositions |
| PL2575446T3 (pl) * | 2010-05-27 | 2016-10-31 | Preparaty rolne z acylomorfolinami i polarnymi aprotonowymi współrozpuszczalnikami | |
| CN103518772B (zh) * | 2013-10-18 | 2015-08-26 | 广西三晶化工科技有限公司 | 含草铵膦、草甘膦和唑草酮的除草剂组合物 |
| JP7359645B2 (ja) * | 2018-10-31 | 2023-10-11 | 花王株式会社 | 除草剤組成物 |
-
2019
- 2019-10-30 CA CA3113599A patent/CA3113599A1/en active Pending
- 2019-10-30 WO PCT/JP2019/042512 patent/WO2020090866A1/ja not_active Ceased
- 2019-10-30 JP JP2019196963A patent/JP7359646B2/ja active Active
- 2019-10-30 CN CN201980061982.6A patent/CN112739211B/zh active Active
- 2019-10-30 US US17/284,804 patent/US20210337787A1/en not_active Abandoned
- 2019-10-30 MY MYPI2021002290A patent/MY204732A/en unknown
- 2019-10-30 EP EP19879087.5A patent/EP3874951B1/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10512575A (ja) * | 1995-01-24 | 1998-12-02 | ヘキスト・シエーリング・アグレボ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | グルホシナート及びニトロジフェニルエーテルに基づく相乗剤的除草剤及びそれらの処方物 |
| JP2001524496A (ja) | 1997-11-27 | 2001-12-04 | アベンティス・クロップサイエンス・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 液体水性製造物のための界面活性剤系 |
| JP2002537312A (ja) | 1999-02-22 | 2002-11-05 | シンジェンタ リミテッド | 農薬配合物 |
| JP2009525345A (ja) * | 2006-02-03 | 2009-07-09 | バイエル クロップサイエンス エルピー | 安定した濃縮除草剤組成物 |
| WO2012086617A1 (ja) * | 2010-12-21 | 2012-06-28 | Meiji Seikaファルマ株式会社 | 安定化された液状の水性作物保護剤組成物 |
| JP2015205869A (ja) * | 2014-04-09 | 2015-11-19 | 花王株式会社 | アミノ酸系農薬用効力増強剤組成物 |
| WO2017104733A1 (ja) * | 2015-12-16 | 2017-06-22 | 花王株式会社 | 農薬用効力増強剤組成物 |
| WO2017196856A1 (en) * | 2016-05-12 | 2017-11-16 | Basf Se | Stable, glufosinate-containing herbicidal compositions |
| WO2019212888A1 (en) * | 2018-05-02 | 2019-11-07 | Dow Agrosciences Llc | Compositions containing glufosinate salt and a synthetic auxin herbicide salt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220386618A1 (en) * | 2019-11-20 | 2022-12-08 | Eureka! Agresearch Pty Ltd | Herbicidal glufosinate composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3113599A1 (en) | 2020-05-07 |
| MY204732A (en) | 2024-09-11 |
| CN112739211B (zh) | 2023-06-23 |
| CN112739211A (zh) | 2021-04-30 |
| EP3874951B1 (en) | 2025-09-17 |
| EP3874951A4 (en) | 2022-08-03 |
| JP7359646B2 (ja) | 2023-10-11 |
| EP3874951A1 (en) | 2021-09-08 |
| JP2020070299A (ja) | 2020-05-07 |
| US20210337787A1 (en) | 2021-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7038693B2 (ja) | 水性除草剤濃縮物 | |
| US5104647A (en) | Surfactant blend of organosilicone and polyalkylene oxide polymers useful as an agricultural adjuvant | |
| RU2190329C2 (ru) | Гербицидные композиции, способ уничтожения или подавления сорняков или нежелательных растений | |
| JP6007364B2 (ja) | 除草剤のスプレードリフトを制御するためのアミン界面活性剤及びアミンオキシド界面活性剤 | |
| CA2937009C (en) | Stable liquid herbicidal composition of glufosinate | |
| KR102422133B1 (ko) | 수성 제초 농축물 | |
| US9693562B2 (en) | Liquid insecticide composition | |
| TW200305364A (en) | Formulation | |
| WO2020090866A1 (ja) | 除草剤組成物 | |
| MX2015004552A (es) | Surfactantes de sulfonato de alquilbenceno para controlar la deriva de la pulverizacion del herbicida. | |
| JP2013216643A (ja) | 脂肪酸の有機化合物塩を有効成分とする除草剤 | |
| WO2020090865A1 (ja) | 除草剤組成物 | |
| JP7223952B2 (ja) | 茎葉兼土壌処理除草用液体組成物 | |
| WO2005011380A1 (en) | Agrochemical formulation aid composition comprising monocarbamide dihydrogen sulphate and a blend comprising a phosphate ester blend and a tallow amine ethoxylate, and uses thereof | |
| JP3824691B2 (ja) | グリホサート除草剤配合物 | |
| JP7321761B2 (ja) | 除草剤組成物 | |
| WO2020008940A1 (ja) | 除草剤組成物 | |
| CN103907597A (zh) | 甲基磺草酮专用助剂以及由其配制的可分散油悬浮剂 | |
| CA2318657E (en) | Glyphosate formulations containing etheramine surfactants | |
| JP2011251913A (ja) | 液体組成物 | |
| CN104412993A (zh) | 高效氟吡甲禾灵和草除灵复配水乳剂及其制备方法和用途 |
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: 19879087 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 3113599 Country of ref document: CA |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 2019879087 Country of ref document: EP Effective date: 20210531 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2019879087 Country of ref document: EP |