WO2021117484A1 - 土壌処理用含浸型農薬粒状組成物 - Google Patents
土壌処理用含浸型農薬粒状組成物 Download PDFInfo
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- WO2021117484A1 WO2021117484A1 PCT/JP2020/043791 JP2020043791W WO2021117484A1 WO 2021117484 A1 WO2021117484 A1 WO 2021117484A1 JP 2020043791 W JP2020043791 W JP 2020043791W WO 2021117484 A1 WO2021117484 A1 WO 2021117484A1
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- granular composition
- cypermethrin
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- oil
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Classifications
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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
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
Definitions
- the present invention relates to an impregnated pesticide granular composition for soil treatment.
- compositions Conventionally, various forms of composition are known as pesticide granular compositions to be treated on soil.
- the present inventors specify the active ingredient and a polar organic solvent having specific properties.
- a granular composition (hereinafter referred to as the composition of the present invention) containing an oil-insoluble oil-absorbing granular carrier having an oil-absorbing ability and a particle size of the above and having a hardness in a specific range exhibits a more stable biological effect.
- the present invention is as follows.
- [1] a) Nicotinic acetylcholine receptor competitive modulator or ryanodine receptor modulator, b) Polar organic solvent with dP of 4.5 or more and 11.0 or less and dH of 4.5 or more and 11.0 or less among Hansen solubility parameters, and c) oil absorption capacity of 1 to 70% and particle size of 0.
- An impregnated pesticide granular composition for soil treatment containing a water-insoluble oil-absorbing granular carrier having a hardness of 2 to 2.0 mm and having a hardness of 0.2 kg or more.
- [5] The pesticide granular composition according to any one of [1] to [4], wherein the ryanodine receptor modulator is chloranthraniliprole or cyantraniliprole.
- Pyrethroid compounds are permethrin, cypermethrin, beta cypermethrin, gamma cypermethrin, lambda cypermethrin, bifentrin, delta methrin, cypermethrin, alpha cypermethrin, beta cypermethrin, zeta cypermethrin, fenpropatrin, tefluthrin, The pesticide granular composition according to [6], which is fenvalerate, esphenvalerate, etofenprox or taufluvalinate.
- IRAC Classification ver as a nicotinic acetylcholine receptor competitive modulator, IRAC Classification ver.
- neonicotinoid insecticidal compounds such as acetamiprid, clothianidin, dinotefuran, imidacloprid, nitempyram, thiamethoxam, thiamethoxam, and sulfoxymine insecticidal compounds such as flupyradiflon, sulfoxaflor, and triflumesopirim are mentioned. Nicotinoid insecticidal compounds are preferred, with imidacloprid, thiamethoxam and clothianidin being more preferred.
- examples of the ryanodine receptor modulator include diamide-based insecticidal compounds such as flubendiamide, chloranthraniliprole, cyantraniliprole, cihalodiamide, cyclaniliprole, and tetraniliprole. Rolls and cyantraniliproles are preferred.
- composition of the present invention can further contain a pesticide active ingredient having a melting point of 100 ° C. or lower.
- a pesticide active ingredient having a melting point of 100 ° C. or lower include the following examples.
- Insecticide Organic phosphorus insecticide acephate, fenitrothione, isoxathione, diazinone, disulfoton, prothiophos, pyridafenthion, etc. ⁇ Carbamate insecticides ethiophencarb, phenocarb, etc.
- Pyrethroid insecticides Areslin, flucitrinate, permethrin, cypermethrin, beta Gamma cypermethrin, lambda cypermethrin, bifenthrin, delta methrin, cypermethrin, alpha cypermethrin, beta cypermethrin, zeta cypermethrin, fenpropatrin, tefurthrin, fenvalerate, esphenvalerate, etofenprox, taufluvalinate, etc. ⁇ Other pyrethrins, etc.
- Insect growth regulators nematodes such as pyriproxyfen, bactericides such as imiciaphos and hostizate, triazole-based fungicides, propiconazole, etc., azole-based fungicides, prochloraz, etc.
- Herbicides ⁇ Carbamate herbicides Chlorpropham, Benthiocarb, Esprocarb, Molinate, etc. ⁇ Acid amide herbicides Pretilachlor, Metrachlor, etc. ⁇ Dinitroaniline herbicides Trifluralin, etc.
- the pesticide active ingredient having a melting point of 100 ° C. or lower, an insecticide, a nematode, an insect growth regulator, and a fungicide are particularly preferable.
- the Hansen solubility parameter is a kind of solubility parameter, and is represented by the coordinates of three components, dD (dispersion term), dP (polarity term), and dH (hydrogen bond term).
- dD disersion term
- dP polarity term
- dH hydrogen bond term
- the definition and calculation method are described by Charles M. References by Hansen, "The three Dimensional Solubility parameters", J. Mol. Paint Technology. , 39, p. 105 (1967).
- Prof. Coordinates (dD, dP, dH) of three components can be obtained from HSPiP, which is a program provided online by Steven Abbott.
- Examples of the polar organic solvent having a Hansen solubility parameter dP of 4.5 or more and 11.0 or less and dH of 4.5 or more and 11.0 or less include N-butyl-.
- a commercially available product can be used as the polar organic solvent, and such a commercially available product includes Agnicue (registered trademark) AMD810 (mixture of N, N-dimethyloctaneamide, N, N-dimethyldecaneamide, manufactured by BASF).
- Agnicue registered trademark
- AMD810 mixture of N, N-dimethyloctaneamide, N, N-dimethyldecaneamide, manufactured by BASF.
- Hallcomid M8-10 (mixture of N, N-dimethyloctaneamide, N, N-dimethyldecaneamide, manufactured by Stepan), Hallcomid M10 (mixture containing N, N-dimethyldecaneamide as a main component, manufactured by Stepan), Hallcomid 1025 (Mixture containing N, N-dimethyl-9-deceneamide as a main component, manufactured by Stepan), Rhodiasolv (registered trademark) solvent (5- (dimethylamino) -2-methyl-5-oxopentanoic acid methyl ester, manufactured by Solvay) And so on.
- the polar organic solvent used in the present invention is more preferably a solvent having a flash point of 80 ° C. or higher for safety.
- a solvent having a flash point of 80 ° C. or higher for safety for example, N-butyl-2-pyrrolidone, N-octyl-2-pyrrolidone, butyl benzoate, benzyl benzoate, diethyl adipate, N, N-dimethyloctaneamide, N, N-dimethyldecaneamide, N, N- Dimethyl-9-deceneamide, 5- (dimethylamino) -2-methyl-5-oxopentanoic acid methyl ester, Agnicue (registered trademark) AMD810, Hallcomid M8-10, Hallcomid M10, Hallcomid 1025, Rhodiasolv (registered trademark) polarclean preferable.
- composition of the present invention may contain an organic solvent other than the present polar organic solvent to the extent that the effect of the present invention is not impaired.
- the water-insoluble oil-absorbent granular carrier used in the present invention (hereinafter referred to as the present carrier) has an oil-absorbing ability of 1 to 70% and a particle size of 0.2 to 2.0 mm.
- the present carriers those having an oil absorbing capacity of 1 to 40% are preferable, and those having an oil absorbing capacity of 1 to 20% are more preferable.
- Particles having a particle size of 0.2 to 2.0 mm are sieved with a sieve using a sieve having a mesh size of 180 ⁇ m and 2000 ⁇ m (a mesh sieve having an inner diameter of 200 mm and a depth of 45 mm specified in JIS Z8801).
- the particles have a weight fraction of 95% or more that fall within this range (that is, they pass through a sieve having a mesh size of 2000 ⁇ m and do not pass through a sieve having a mesh size of 180 ⁇ m).
- a natural mineral or a crushed product thereof is preferably used.
- natural pumice stone such as silica sand, natural hard zeolite, granular atapargite, granular sepiolite, diatomaceous earth calcined product, gypsum calcined product and the like are used.
- natural pumice and natural hard zeolite are preferable.
- the natural pumice stones include Ishikawa Light (registered trademark) (Ishikawa Light Industry Co., Ltd.), Kagarite (registered trademark) (Neolite Kosan Co., Ltd.), refined silas (manufactured by Seishin Sangyo), etc. ) Etc., and Isolite (registered trademark) CG (manufactured by Isolite Industries) and the like can be mentioned as the diatomaceous earth calcined product.
- the oil absorption capacity (%) of this carrier is defined in an oil absorption test using N-octyl-2-pyrrolidone (Agsolex8, manufactured by Akzo Nobel) instead of flax oil according to JIS K5101-13-1. It means the oil absorption weight (g) per 100 g of the sample material.
- the carrier examples include Kagarite (registered trademark) No. 2 (oil absorption capacity 10 to 16%), Kagarite (registered trademark) No. 3 (oil absorption capacity 4 to 8%), and Kagarite (registered trademark) No. 23. (Oil absorption capacity 6-10%), Ishikawa Light (registered trademark) pesticide No. 3 (oil absorption capacity 4-8%), Ishikawa Light (registered trademark) pesticide No. 4 (oil absorption capacity 3-5%), refined silas 1.2 m / M to 0.6 m / m (oil absorption capacity 9 to 11%), iscarite (oil absorption capacity 10 to 16%) and the like.
- the content of the nicotinic acetylcholine receptor competitive modulator or ryanodine receptor modulator used in the present invention is 0.001 to 10 parts by weight, preferably 0.01 to 5 parts by weight, out of 100 parts by weight of the composition of the present invention. Parts, more preferably 0.03 to 2 parts by weight.
- composition of the present invention contains a pesticide active ingredient having a melting point of 100 ° C. or lower, the content thereof is 0.001 to 36 parts by weight, preferably 0.001 to 18 parts by weight, out of 100 parts by weight of the pesticide composition. More preferably, it is 0.001 to 5 parts by weight.
- the content of the polar organic solvent in the composition of the present invention is 1 to 40 parts by weight, preferably 1 to 20 parts by weight, and more preferably 1.5 to 15 parts by weight out of 100 parts by weight of the composition of the present invention. ..
- the content of the carrier in the composition of the present invention is 50.0 parts by weight to 98.8 parts by weight, preferably 75.0 to 98.5 parts by weight, more preferably 84 parts by weight of 100 parts by weight of the composition of the present invention. It is 0.0 to 98.0 parts by weight.
- (Nicotinic Acetylcholine Receptor Competitive Modulator or Ryanodine Receptor Modulator When the composition of the present invention contains a pesticide active ingredient having a melting point of 100 ° C. or lower, the nicotinic acetylcholine receptor competitive modulator or ryanodine receptor modulator and the melting point
- the ratio of the pesticide active ingredient at 100 ° C. or lower to the content (part by weight) of the mixed solution of the polar organic solvent is preferably in the range of 1: 0.2 to 1: 2. It is more preferably in the range of 5 to 1: 1.5.
- the hardness of 0.2 kg or more means that the load amount at the time when the grains are crushed when the grains are gradually pressed by a simple granule hardness tester manufactured by Tsutsui Rikagaku Kikai is 0.2 kg or more. Show things.
- the hardness of the composition of the present invention is usually 0.2 kg or more, preferably in the range of 0.2 to 6.0 kg, and more preferably in the range of 0.4 to 4.0 kg.
- the composition of the present invention is an active ingredient (nicotinic acetylcholine receptor competitive modulator or ryanodine receptor modulator.
- the composition of the present invention contains a pesticide active ingredient having a melting point of 100 ° C. or lower
- the nicotinic acetylcholine receptor competitive modulator Alternatively, it is produced by mixing a solution of a ryanodine receptor modulator and a pesticide active ingredient having a melting point of 100 ° C. or lower in this polar organic solvent with an oil-absorbing granular carrier.
- Various mixers can be used in this production.
- a mixer with less destruction of the granular carrier such as a horizontal cylindrical mixer, a V-type mixer, a bicone type mixer, and an inverted conical type mixer, but the present invention is not limited thereto. Absent.
- composition of the present invention is directly applied to the soil of agricultural land such as upland fields and orchards, and non-agricultural land such as lawns, golf courses, and roadside trees.
- the application rate is usually 0.01-50 kg per 10 ares.
- Table 1 shows the Hansen solubility parameter of the polar organic solvent used. This value was obtained from HSPiP.
- Rhodiasolv® Polarclean 5- (dimethylamino) -2-methyl-5-oxopentanoic acid methyl ester
- Solvay Agnique® AMD 810 N, N-dimethyloctaneamide (50-75%), Mix of N, N-dimethyldecaneamide (50-25%), manufactured by BASF Solvesso® 150: aromatic hydrocarbon, manufactured by Exxon Mobile VINYCIZER® 40: Diisobutyl adipate, manufactured by Kao VINYCIZER® 20: Ditridecyl phthalate, made by Kao
- the pesticide active ingredients used in the examples having a melting point of 100 ° C. or lower are shown below.
- Piliproxyfen Melting point 48-50 ° C
- Pretilaroll Room temperature liquid Esfenvalerate: Melting point 59-61 ° C
- Lambda sihalotrin Room temperature liquid Cypermethrin: Melting point 61-83 ° C
- Manufacturing example 1 0.20 parts by weight of clothianidin and 9.80 parts by weight of Rhodiasolv® Polarclean were mixed to obtain a chemical solution containing a pesticide active ingredient.
- the chemical solution was mixed with 90 parts by weight of natural pumice stone (Kagalite (registered trademark) No. 2, sieved to 500 to 1000 ⁇ m, oil absorption capacity 8 to 9%) to obtain a pesticide granular composition.
- natural pumice stone Kagalite (registered trademark) No. 2, sieved to 500 to 1000 ⁇ m, oil absorption capacity 8 to 9%
- Manufacturing example 4 0.20 parts by weight of clothianidin, 1.0 part by weight of pyriproxyfen, and 8.80 parts by weight of Rhodiasolv® Polarclean were mixed to obtain a drug solution containing a pesticide active ingredient.
- the chemical solution was mixed with 90 parts by weight of natural pumice stone (Kagalite (registered trademark) No. 2, sieved to have a particle size of 500 to 1000 ⁇ m, oil absorption capacity 8 to 9%) to obtain a pesticide granular composition.
- natural pumice stone Kagalite (registered trademark) No. 2
- Production Examples 5-9, Comparative Examples 5-9 Agricultural chemical granular compositions were obtained with the respective compounds and amounts used in Tables 3 to 5 in the same procedure as in Production Example 4.
- the natural pumice stones shown in Tables 3 to 5 are obtained by sieving Kagarite (registered trademark) No. 2 so as to have a particle size of 500 to 1000 ⁇ m, and the oil absorbing capacity thereof is 8 to 9%.
- Test Example 1 1 g of the pesticide granular composition obtained in Production Examples 1 to 9 and Comparative Examples 1 to 9 was collected 5 times, and the active ingredient content was analyzed by high performance liquid chromatography (HPLC) to obtain the average value and the coefficient of variation. .. Further, the hardness of the obtained grains was measured by the following procedure with a simple grain hardness tester manufactured by Tsutsui Rikagaku Kikai. In this test, a scale type small type 3 and a conical pressure rod were used. (I) Place the test granules on the sample table and turn the pressure handle to lower the pressure rod. (Ii) Slowly turn the handle and record the hardness (kg) indicated by the needle placement when the test grain is crushed and the indicator needle returns.
- HPLC high performance liquid chromatography
- the pesticide granular composition of the present invention obtained in Production Examples 1 to 9 is a nicotinic acetylcholine receptor competitive modulator or a nicotinic acetylcholine receptor competitive modulator as compared with the pesticide granular composition obtained in Comparative Examples 1 to 9. It can be seen that the coefficient of variation of the analytical value of the ryanodine receptor modulator is small and the active ingredient content in the composition is uniform, and it is expected that a stable biological effect can be obtained. Further, even in the active ingredient having a melting point of 100 ° C. or lower, the coefficient of variation of the analytical value is small, and it is expected that a stable biological effect can be obtained.
- Kanto bentonite granulation is fine granules of sodium bentonite manufactured by Neolite Kosan (oil absorption capacity 14 to 20%)
- Kasaoka clay granulation is fine granules of calcium bentonite manufactured by Neolite Kosan. (Oil absorption capacity cannot be measured).
- Test Example 2 The hardness of the obtained grains was measured by the following procedure with a simple grain hardness tester manufactured by Tsutsui Rikagaku Kikai. In this test, a scale type small type 3 and a conical pressure rod were used. (I) Place the test granules on the sample table and turn the pressure handle to lower the pressure rod. (Ii) Slowly turn the handle and record the hardness (kg) indicated by the needle placement when the test grain is crushed and the indicator needle returns. This operation was repeated 3 times, and the average value was taken as the hardness.
- Production Examples 12 to 16 In the same procedure as in Production Example 4, pesticide granular compositions were obtained with the respective compounds and amounts used in Table 11.
- the natural pumice stones shown in Table 11 are obtained by sieving Kagarite (registered trademark) No. 2 so as to have a particle size of 500 to 1000 ⁇ m, and the oil absorbing capacity thereof is 8 to 9%.
- Test Example 3 1 g of the pesticide granular composition obtained in Production Examples 12 to 16 was collected four times, and the active ingredient content was analyzed by high performance liquid chromatography (HPLC) or gas chromatography (GC) to obtain the average value and the coefficient of variation. It was. Further, the hardness of the obtained grains was measured by the following procedure with a simple grain hardness tester manufactured by Tsutsui Rikagaku Kikai. In this test, a scale type small type 3 and a conical pressure rod were used. (I) Place the test granules on the sample table and turn the pressure handle to lower the pressure rod. (Ii) Slowly turn the handle and record the hardness (kg) indicated by the needle placement when the test grain is crushed and the indicator needle returns.
- HPLC high performance liquid chromatography
- GC gas chromatography
- the coefficient of variation of the analytical values of pyrethroid compounds which are pesticide active ingredients with a melting point of 100 ° C or less, is small, and it is found that the active ingredient content in the composition is uniform, and it is expected that stable biological effects can be obtained. Will be done.
- Production Examples 17-18 A pesticide granular composition was obtained with the compounds and amounts used in Table 14 in the same procedure as in Production Example 1.
- the natural pumice stones shown in Table 14 are Kagarite (registered trademark) No. 2 sieved so as to have a particle size of 500 to 1000 ⁇ m (oil absorption capacity 8 to 9%), and the natural hard zeolite is a natural hard made by Neolite Kosan. Zeolites are sieved so as to have a particle size of 1.5-0.5 mm (oil absorption capacity 10 to 16%).
- Test Example 4 1 g of the pesticide granular composition obtained in Production Examples 17 to 18 was collected four times, and the active ingredient content was analyzed by high performance liquid chromatography (HPLC) to determine the average value and the coefficient of variation. Further, the hardness of the obtained grains was measured by the following procedure with a simple grain hardness tester manufactured by Tsutsui Rikagaku Kikai. In this test, a scale type small type 3 and a conical pressure rod were used. (I) Place the test granules on the sample table and turn the pressure handle to lower the pressure rod. (Ii) Slowly turn the handle and record the hardness (kg) indicated by the needle placement when the test grain is crushed and the indicator needle returns.
- HPLC high performance liquid chromatography
- the pesticide granular compositions of the present invention obtained in Production Examples 17 to 18 were found to have a small coefficient of variation in the analytical values of the nicotinic acetylcholine receptor competitive modulator and a uniform active ingredient content in the composition, and were stable. It is expected that biological effects will be obtained.
- an impregnated pesticide granular composition for soil treatment capable of exerting a stable biological effect.
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Abstract
Description
本発明は、土壌処理用含浸型農薬粒状組成物に関する。
すなわち、本発明は以下の通りである。
[1]a)ニコチン性アセチルコリン受容体競合的モジュレーターまたはリアノジン受容体モジュレーター、
b)ハンセン溶解度パラメーターのうちdPが4.5以上11.0以下でありdHが4.5以上11.0以下である極性有機溶媒、及び
c)吸油能が1~70%、粒子径が0.2~2.0mmである非水溶性の吸油性粒状担体を含み、硬度が0.2kg以上の土壌処理用含浸型農薬粒状組成物。
[2]吸油性粒状担体の吸油能が1~40%である[1]に記載の農薬粒状組成物。
[3]更にd)融点が100℃以下の農薬活性成分を含む[1]または[2]に記載の農薬粒状組成物。
[4]ニコチン性アセチルコリン受容体競合的モジュレーターが、イミダクロプリド、チアメトキサムまたはクロチアニジンである[1]~[3]のいずれかに記載の農薬粒状組成物。
[5]リアノジン受容体モジュレーターがクロラントラニリプロールまたはシアントラニリプロールである[1]~[4]のいずれかに記載の農薬粒状組成物。
[6]融点が100℃以下の農薬活性成分が、ピレスロイド系化合物である[3]~[5]のいずれかに記載の農薬粒状組成物。
[7]ピレスロイド系化合物がペルメトリン、シフルトリン、ベータシフルトリン、ガンマシハロトリン、ラムダシハロトリン、ビフェントリン、デルタメトリン、シペルメトリン、アルファシペルメトリン、ベータシペルメトリン、ゼータシペルメトリン、フェンプロパトリン、テフルトリン、フェンバレレート、エスフェンバレレート、エトフェンプロックスまたはタウフルバリネートである[6]に記載の農薬粒状組成物。
[8]吸油性粒状担体が天然鉱物またはその破砕物である[1]~[7]のいずれかに記載の農薬粒状組成物。
[9][1]~[8]のいずれかに記載の組成物を土壌に処理することを特徴とする病害虫の防除方法。
本発明において、リアノジン受容体モジュレーターとしては、フルベンジアミド、クロラントラニリプロール、シアントラニリプロール、シハロジアミド、シクラニリプロール、テトラニリプロール等のジアミド系殺虫性化合物が挙げられ、クロラントラニリプロール、シアントラニリプロールが好ましい。
・有機リン系殺虫剤
アセフェート、フェニトロチオン、イソキサチオン、ダイアジノン、ジスルホトン、プロチオホス、ピリダフェンチオン等
・カーバメート系殺虫剤
エチオフェンカルブ、フェノブカルブ等
・ピレスロイド系殺虫剤
アレスリン、フルシトリネート、ペルメトリン、シフルトリン、ベータシフルトリン、ガンマシハロトリン、ラムダシハロトリン、ビフェントリン、デルタメトリン、シペルメトリン、アルファシペルメトリン、ベータシペルメトリン、ゼータシペルメトリン、フェンプロパトリン、テフルトリン、フェンバレレート、エスフェンバレレート、エトフェンプロックス、タウフルバリネート等
・その他
ピリダリル等
ピリプロキシフェン等
殺線虫剤
イミシアホス、ホスチアゼート等
殺菌剤
・トリアゾール系殺菌剤
プロピコナゾール等
・アゾール系殺菌剤
プロクロラズ等
・アシルアラニン系殺菌剤
メタラキシルM、メタラキシル等
除草剤
・カーバメート系除草剤
クロルプロファム、ベンチオカーブ、エスプロカルブ、モリネート等
・酸アミド系除草剤
プレチラクロール、メトラクロール等
・ジニトロアニリン系除草剤
トリフルラリン等
融点が100℃以下の農薬活性成分としては、特に殺虫剤、殺線虫剤、昆虫成長制御剤、殺菌剤が好ましい。
Rhodiasolv(登録商標)polarclean: 5-(ジメチルアミノ)-2-メチル-5-オキソペンタン酸メチルエステル、Solvay製
Agnique(登録商標)AMD 810:N,N-ジメチルオクタンアミド(50~75%)、N,N-ジメチルデカンアミド(50~25%)の混合物、BASF製
Solvesso(登録商標)150:芳香族炭化水素、エクソンモービル製
VINYCIZER(登録商標)40:アジピン酸ジイソブチル、花王製
VINYCIZER(登録商標)20:フタル酸ジトリデシル、花王製
ピリプロキシフェン:融点48~50℃
プレチラクロール:常温液体
エスフェンバレレート:融点59~61℃
ラムダシハロトリン:常温液体
シペルメトリン:融点61~83℃
クロチアニジン0.20重量部、Rhodiasolv(登録商標)Polarclean9.80重量部を混合し、農薬活性成分を含む薬液を得た。薬液を天然軽石(カガライト(登録商標)2号、500~1000μmに篩分けしたもの、吸油能8~9%)90重量部と混合し、農薬粒状組成物を得た。
製造例1と同様の手順で、表2に記載のそれぞれの化合物および使用量で農薬粒状組成物を得た。表2に記載の天然軽石は、カガライト(登録商標)2号を500~1000μmの粒度をもつように篩分けしたものであり、その吸油能は8~9%である。
クロチアニジン0.20重量部、ピリプロキシフェン1.0重量部、Rhodiasolv(登録商標)Polarclean8.80重量部を混合し、農薬活性成分を含む薬液を得た。薬液を天然軽石(カガライト(登録商標)2号、500~1000μmの粒度をもつように篩分けしたもの、吸油能8~9%)90重量部と混合し、農薬粒状組成物を得た。
製造例4と同様の手順で、表3~5に記載のそれぞれの化合物および使用量で農薬粒状組成物を得た。表3~5に記載の天然軽石は、カガライト(登録商標)2号を500~1000μmの粒度をもつように篩分けしたものであり、その吸油能は8~9%である。
製造例1~9および比較例1~9で得られた農薬粒状組成物1gを5回採取し、有効成分含量を高速液体クロマトグラフィー(HPLC)にて分析し、平均値と変動係数を求めた。
また、得られた粒の硬度を筒井理化学器械製の簡易粒体硬度計にて以下の手順で測定した。なお、本試験には秤タイプ小型3形、円錐形の加圧棒を使用した。
(i)試料台に試験粒を載せ、加圧ハンドルを回して加圧棒を下げる。
(ii)ハンドルをゆっくり回し、試験粒が潰れ指示針が戻った際の置針が示す硬度(kg)を記録する。本操作を3反復で行い、その平均値を硬度とした。
結果を表6~9に示す。
この結果から明らかなように、製造例1~9で得られた本発明農薬粒状組成物は比較例1~9で得られた農薬粒状組成物と比べて、ニコチン性アセチルコリン受容体競合的モジュレーターまたはリアノジン受容体モジュレーターの分析値の変動係数が小さく、組成物中の有効成分含量が均一であることがわかり、安定した生物効果が得られることが期待される。また、融点が100℃以下の有効成分においても分析値の変動係数が小さく、安定した生物効果が得られることが期待される。
クロチアニジン0.20重量部、N-オクチル-2-ピロリドン9.80重量部を混合し、農薬活性成分を含む薬液を得た。薬液を表10に示す組成となるように吸油性粒状担体と混合し、農薬粒状組成物を得た。表10において、カガライト(登録商標)2号はネオライト興産製の天然軽石(吸油能10~16%)、ゼオライト1.5-0.5mmはネオライト興産製の天然硬質ゼオライトの1.5-0.5mm篩分け品(吸油能10~16%)、関東ベントナイト整粒はネオライト興産製のナトリウムベントナイトの細粒(吸油能14~20%)、笠岡粘土整粒はネオライト興産製のカルシウムベントナイトの細粒(吸油能測定不可)である。
得られた粒の硬度を筒井理化学器械製の簡易粒体硬度計にて以下の手順で測定した。なお、本試験には秤タイプ小型3形、円錐形の加圧棒を使用した。
(i)試料台に試験粒を載せ、加圧ハンドルを回して加圧棒を下げる。
(ii)ハンドルをゆっくり回し、試験粒が潰れ指示針が戻った際の置針が示す硬度(kg)を記録する。本操作を3反復で行い、その平均値を硬度とした。
製造例4と同様の手順で、表11に記載のそれぞれの化合物および使用量で農薬粒状組成物を得た。表11に記載の天然軽石は、カガライト(登録商標)2号を500~1000μmの粒度をもつように篩分けしたものであり、その吸油能は8~9%である。
製造例12~16で得られた農薬粒状組成物1gを4回採取し、有効成分含量を高速液体クロマトグラフィー(HPLC)またはガスクロマトグラフィー(GC)にて分析し、平均値と変動係数を求めた。
また、得られた粒の硬度を筒井理化学器械製の簡易粒体硬度計にて以下の手順で測定した。なお、本試験には秤タイプ小型3形、円錐形の加圧棒を使用した。
(i)試料台に試験粒を載せ、加圧ハンドルを回して加圧棒を下げる。
(ii)ハンドルをゆっくり回し、試験粒が潰れ指示針が戻った際の置針が示す硬度(kg)を記録する。本操作を3反復で行い、その平均値を硬度とした。
結果を表12~13に示す。
この結果から明らかなように、製造例12~16で得られた本発明農薬粒状組成物はニコチン性アセチルコリン受容体競合的モジュレーターまたはリアノジン受容体モジュレーターの分析値の変動係数が小さく、組成物中の有効成分含量が均一であることがわかり、安定した生物効果が得られることが期待される。また、融点が100℃以下の農薬活性成分であるピレスロイド系化合物の分析値の変動係数も小さく、組成物中の有効成分含量が均一であることがわかり、安定した生物効果が得られることが期待される。
製造例1と同様の手順で、表14に記載の化合物および使用量で農薬粒状組成物を得た。表14に記載の天然軽石はカガライト(登録商標)2号を500~1000μmの粒度をもつように篩分けしたもの(吸油能8~9%)であり、天然硬質ゼオライトはネオライト興産製の天然硬質ゼオライトを1.5-0.5mmの粒度をもつように篩分けしたもの(吸油能10~16%)である。
製造例17~18で得られた農薬粒状組成物1gを4回採取し、有効成分含量を高速液体クロマトグラフィー(HPLC)にて分析し、平均値と変動係数を求めた。
また、得られた粒の硬度を筒井理化学器械製の簡易粒体硬度計にて以下の手順で測定した。なお、本試験には秤タイプ小型3形、円錐形の加圧棒を使用した。
(i)試料台に試験粒を載せ、加圧ハンドルを回して加圧棒を下げる。
(ii)ハンドルをゆっくり回し、試験粒が潰れ指示針が戻った際の置針が示す硬度(kg)を記録する。本操作を3反復で行い、その平均値を硬度とした。
結果を表15に示す。製造例17~18で得られた本発明農薬粒状組成物はニコチン性アセチルコリン受容体競合的モジュレーターの分析値の変動係数が小さく、組成物中の有効成分含量が均一であることがわかり、安定した生物効果が得られることが期待される。
Claims (9)
- a)ニコチン性アセチルコリン受容体競合的モジュレーターまたはリアノジン受容体モジュレーター、
b)ハンセン溶解度パラメーターのうちdPが4.5以上11.0以下でありdHが4.5以上11.0以下である極性有機溶媒、及び
c)吸油能が1~70%、粒子径が0.2~2.0mmである非水溶性の吸油性粒状担体を含み、硬度が0.2kg以上の土壌処理用含浸型農薬粒状組成物。 - 吸油性粒状担体の吸油能が1~40%である請求項1に記載の農薬粒状組成物。
- 更にd)融点が100℃以下の農薬活性成分を含む請求項1または2に記載の農薬粒状組成物。
- ニコチン性アセチルコリン受容体競合的モジュレーターが、イミダクロプリド、チアメトキサムまたはクロチアニジンである請求項1~3のいずれかに記載の農薬粒状組成物。
- リアノジン受容体モジュレーターがクロラントラニリプロールまたはシアントラニリプロールである請求項1~4のいずれかに記載の農薬粒状組成物。
- 融点が100℃以下の農薬活性成分が、ピレスロイド系化合物である請求項3~5のいずれかに記載の農薬粒状組成物。
- ピレスロイド系化合物がペルメトリン、シフルトリン、ベータシフルトリン、ガンマシハロトリン、ラムダシハロトリン、ビフェントリン、デルタメトリン、シペルメトリン、アルファシペルメトリン、ベータシペルメトリン、ゼータシペルメトリン、フェンプロパトリン、テフルトリン、フェンバレレート、エスフェンバレレート、エトフェンプロックスまたはタウフルバリネートである請求項6に記載の農薬粒状組成物。
- 吸油性粒状担体が天然鉱物またはその破砕物である請求項1~7のいずれかに記載の農薬粒状組成物。
- 請求項1~8のいずれかに記載の組成物を土壌に処理することを特徴とする病害虫の防除方法。
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US17/782,043 US20230014223A1 (en) | 2019-12-09 | 2020-11-25 | Impregnated pesticide granular composition for soil application |
BR112022009479A BR112022009479A2 (pt) | 2019-12-09 | 2020-11-25 | Composição granulada impregnada com pesticida para aplicação ao solo |
EP20899534.0A EP4074176A4 (en) | 2019-12-09 | 2020-11-25 | GRANULAR COMPOSITION IMPREGNATED WITH PESTICIDE FOR SOIL TREATMENT |
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WO2023281511A1 (en) * | 2021-07-06 | 2023-01-12 | Adama Makhteshim Ltd. | Insecticidal mixtures |
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