Aqueous agrochemical suspension composition, method for preventing crop damage, and seed of useful plant

Abstract

An aqueous agrochemical suspension composition containing: an agrochemical active ingredient, a plant oil or an oil that is a plant oil derivative, and water, a method for preventing crop damage by treating the surface of a seed of a useful plant with the aqueous agrochemical suspension composition, and a seed of a useful plant treated with the aqueous agrochemical suspension composition.

Description

Aqueous suspension pesticide composition, method for preventing crop damage, and seeds of useful plants

[0001] The present invention relates to an aqueous suspension pesticidal composition, and more particularly to an aqueous suspension pesticidal composition optimized for use in treating seeds.

[0002] One method of pesticide application that has been put into practical use is seed treatment, in which seeds are treated directly with pesticides. By purchasing seeds that have already been treated with pesticides, it is possible to omit the need for pesticide treatment after sowing, so seed treatment contributes greatly to labor savings in agriculture.

[0003] Currently, as pesticide formulations for seed treatment, flowable formulations, wettable powders, granular wettable powders, emulsifiable concentrates, etc. are used (Patent Document 1). However, in the case of formulations in which the pesticidal active ingredient is present as a solid, there is a risk that dust containing the pesticidal active ingredient may come off from the pesticide-treated seeds, raising concerns about exposure of workers sowing the seeds to the pesticidal active ingredient.

[0004] As a technique for suppressing the generation of such dust, for example, a method is known in which a water-soluble synthetic polymer such as polyvinylpyrrolidone or polyvinyl alcohol is blended in advance with a pesticide formulation or added during treatment to increase the ability of the pesticide active ingredient to be carried on the seed surface (Patent Document 2).

[0005] Among the above-mentioned formulations of pesticides, flowable formulations are safer for workers who apply pesticides because they do not produce dust. Furthermore, flowable formulations containing high concentrations of pesticide active ingredients are superior in that they can be provided to workers at lower cost than flowable formulations containing low concentrations of pesticide active ingredients due to reduced costs for production, storage, and transportation.

[0006] On the other hand, flowable formulations are rarely used as is in actual applications, especially in seed treatment. A typical application involves mixing a flowable formulation with a predetermined amount of water to prepare a diluted solution on-site, and then applying the diluted solution. The ratio of flowable formulation to water in the diluted solution, i.e., the dilution ratio, is determined based on the concentration of the pesticidal active ingredient in the diluted solution required to achieve the desired effect. Therefore, for flowable formulations containing the same pesticidal active ingredient, a flowable formulation containing a high concentration of the pesticidal active ingredient is used in a relatively smaller amount than a flowable formulation containing a low concentration of the pesticidal active ingredient. Therefore, in order to ensure that the diluted solution contains a water-soluble synthetic polymer at a concentration sufficient to suppress dust generation, a flowable formulation containing a high concentration of the pesticidal active ingredient must contain a relatively larger amount of water-soluble synthetic polymer than a flowable formulation containing a low concentration of the pesticidal active ingredient.

[0007] However, many water-soluble synthetic polymers exhibit viscosity when dissolved in water. In particular, when applied to flowable formulations containing a high concentration of pesticide active ingredients, the large amount of water-soluble synthetic polymer blended due to the above-mentioned circumstances increases the viscosity of the flowable formulation, resulting in a problem of reduced work efficiency during use. To avoid this, if the amount of water-soluble synthetic polymer blended is reduced to a level that makes the viscosity of the flowable formulation within a practical range, the function of supporting the pesticide active ingredients on the seed surface becomes insufficient.

[0008] Due to the above dilemma, it has been difficult to obtain a pesticide formulation that has viscosity adjusted to within a range suitable for use while suppressing dust generation from seeds treated with a flowable formulation, particularly a flowable formulation containing a pesticidal active ingredient at a high concentration.

[0009] Japanese Patent Application No. 2008-538760 Japanese Patent Application No. 2010-535736

[0010] An object of the present invention is to provide an aqueous suspension pesticide composition that has appropriate viscosity even when it contains a high concentration of a pesticidal active ingredient, and that, when used for seed treatment, can suppress dust generation from treated seeds.

[0011] The present inventors have conducted research to solve the above problems and have found that by adding a vegetable oil or an oil derivative of a vegetable oil to an aqueous suspension pesticide composition containing a pesticidal active ingredient and water, it is possible to prevent the composition from becoming too viscous and to suppress dust generation from seeds after treatment, thereby completing the present invention.

[0012] That is, the present invention provides the following.

[0013] [1] An aqueous suspension pesticide composition containing a pesticidal active ingredient, an oil which is a vegetable oil or a vegetable oil derivative, and water.

[0014] [2] The composition described in [1] above, wherein the oil is castor oil or a castor oil derivative.

[0015] [3] The composition according to [1] or [2], wherein the viscosity of the oil at 20°C is 300 mPa·s to 1000 mPa·s.

[0016] [4] The composition according to any one of [1] to [3], containing 20% ​​by mass to 55% by mass of a pesticide active ingredient.

[0017] [5] The composition according to any one of [1] to [4], containing 2% by mass to 8% by mass of the oil.

[0018] [6] The composition according to any one of [1] to [5] above, having a viscosity at 20°C of 200 mPa·s to 800 mPa·s.

[0019] [7] The composition according to any one of [1] to [6] above, characterized in that it does not contain any water-soluble synthetic polymers or the total content of water-soluble synthetic polymers is less than 1 mass%.

[0020] [8] The composition according to any one of [1] to [7] above, further comprising gum arabic.

[0021] [9] The composition according to any one of [1] to [8], which is a seed treatment agent.

[0022]

[10] The composition according to [9], characterized in that the amount of dust generated when seeds of a useful plant treated with a water-diluted solution of the aqueous suspension pesticidal composition are rolled is 75% by mass or less of the amount of dust generated when seeds treated with a water-diluted solution of a control composition containing water instead of oil are rolled.

[0023]

[11] A method for preventing damage to crops, which comprises applying an aqueous suspension pesticide composition containing a pesticidal active ingredient, a vegetable oil or an oil which is a vegetable oil derivative, and water to the surface of seeds of a useful plant, thereby preventing the occurrence of diseases, pests, or weeds, or abnormal growth of the useful plant during the subsequent cultivation of the useful plant.

[0024]

[12] Seeds of useful plants, carrying on their surfaces an agrochemically active ingredient and an oil which is a vegetable oil or a vegetable oil derivative.

[0025] According to the present invention, an aqueous suspension pesticide composition can be obtained which contains a pesticidal active ingredient at a high concentration, has a viscosity that is not problematic for use, and can suppress dust generated from seeds after seed treatment when used for seed treatment.

[0026] The aqueous suspension pesticidal composition according to an embodiment of the present invention (hereinafter, sometimes simply referred to as "pesticide composition") can be obtained by suspending a pesticidal active ingredient and an oil that is a vegetable oil or a vegetable oil derivative in water.

[0027] In this embodiment, a pesticidal active ingredient is blended into the pesticidal composition. The blending ratio of the pesticidal active ingredient is not particularly limited, but is usually in the range of 1% by mass to 60% by mass, preferably 20% by mass to 55% by mass, and more preferably 30% by mass to 50% by mass in the pesticidal composition. The advantageous effects of this embodiment are particularly pronounced in pesticidal compositions containing a high concentration of the pesticidal active ingredient, for example, pesticidal compositions containing 20% ​​by mass or more of the pesticidal active ingredient, and even more preferably, pesticidal compositions containing 30% by mass or more of the pesticidal active ingredient.

[0028] The pesticide active ingredient used in this embodiment is not particularly limited, and may contain a disease control active ingredient, a pest control active ingredient (including an insecticidal active ingredient, an acaricidal active ingredient, and a nematicidal active ingredient), a herbicidal active ingredient, or a plant growth regulating active ingredient.

[0029] When a disease control active ingredient is contained, one kind of disease control active ingredient may be used alone, or any two or more kinds of disease control active ingredients may be used in combination. Examples of disease control active ingredients include, but are not limited to, azaconazole, acibenzolar-S-methyl, azoxystrobin, anilazine, amisulbrom, aminopyrifen, ametoctradin, aldimorph, isotianil, isopyrazam, isofetamide, isoflutamide, isoflutamide, isoflucipram, isoprothiolane, and the like. lane), ipconazole, ipflufenoquin, ipfentrifluconazole, iprodione, iprovalicarb, iprobenfos, imazalil, iminoctadine-trialbesilate, iminoctadine acetate, imibenconazole, inpyrfluxam, imprimatin A A), imprimatin B, edifenphos, etaconazole, ethaboxam, ethirimol, ethoxyquin, etridiazole, enestroburin, enoxastrobin, epoxiconazole, organic oils, oxadixyl, oxazinylazole, oxathiapiprolin,Oxycarboxin, oxyquinoline copper (oxine-copper), oxytetracycline (oxytetracycline), oxpoconazole-fumarate (oxpoconazole-fumarate), oxolinic acid, copper octanoate (copper dioctanoate), octhilinone, ofurace, orysastrobin, o-phenylphenol, kasugamycin, captafol, carpropamid, carbendazim, carboxin, and carbone , quinoxyfen, quinofumelin, chinomethionate, captan, quinconazole, quintozene, guazatine, cufraneb, coumoxystrobin, kresoxim-methyl, clo Zylacon (clozylacon), chlozolinate (chlorzolinate), chlorothalonil (chlorothalonil), chloroneb (chloroneb), cyazofamid (cyazofamid), diethofencarb (diethofencarb), diclocymet (diclocymet), dichlofluanid (diclofluanid), dichlobentiazox (diclobentiazox), diclomedine (diclo mezine), dicloran, dichlorophen, dithianon, diniconazole, diniconazole-M, zineb, dinocap, dipimethitrone, diphenylamine, difenoconazole,Cyflufenamid, diflumetrim, cyproconazole, cyprodinil, simeconazole, dimethylimol, dimethyl disulfide disulfide), dimethomorph, cymoxanil, dimoxystrobin, ziram, silthiofam, streptomycin, spiroxamine, sedaxane, zoxamide, dazomet, tiadinil l), thiabendazole, thiuram, thiophanate, thiophanate-methyl, thifluzamide, tecnazene, tecloftalam, tetraconazole, debacarb, tebuconazole e), tebufloquine, terbinafine, dodine, dodemorph, triadimenol, triadimefon, triazoxide, triclamide, triclopyricarb, tricyclazole, triticonazo triticonazole, tridemorph, triflumizole, trifloxystrobin, triforine, tolylfluanid, tolclofos-methyl, tolnifanide, tolprocarb, nabam,Natamycin, naftifine, nitrapyrin, nitrothal-isopropyl, nuarimol, copper nonylphenol sulfonate, Bacillus subtilis (strain: QST) 713), validamycin, valifenalate, picarbutrazox, bixafen, picoxystrobin, pydiflumetofen, bitertanol, binapacryl, biphenyl, piperalin, hymexazol, pyraoxystrobin, pyraclostrobin, pyraziflumid, pyrazinone, Pyrazofos, pyrapropoyne, pyrametostrobin, pyriophenone, pyrisoxazole, pyridaclomethyl, pyrifenox, pyributicarb, pyribencarb, pyrimethanil, pyroquilon, vinclozolin, ferbam, famoxadone, phenazine oxide oxide), fenamidone, phenaminestrobin, fenarimol, fenoxanil, ferimzone, fenpiclonil, fenpicoxamid, fenpyrazamine,Fenbuconazole, fenfuram, fenpropidin, fenpropimorph, fenhexamid, folpet, fthalide, bupirimate, fuberidazole, blasticidin-S, furametpyr, furalaxyl, furanic acid acid), fluazinam, fluindapyr, fluoxastrobin, fluoxapiprolin, fluopicolide, fluopimomide, fluopyram, fluorimide , fluxapyroxad, fluquinconazole, fluconazole, fluconazole-cis, fludioxonil, flusilazole, flusulfamide, flutianil anil), flutolanil, flutriafol, flufenoxystrobin, flumetover, flumorph, proquinazid, prochloraz, procymidone, prothiocarb ( prothiocarb), prothioconazole, bronopol, propamocarb hydrochloride, propiconazole, propineb, probenazole, bromuconazole,flometoquin, florylpicoxamid, hexaconazole, benalaxyl, benalaxyl-M, benodanil, Benomyl, pefurazoate, penconazole, pencycuron, benzovindiflupyr, benthiazole, benthiavalicarb-isopropyl, penthiopyrad, penflufen, boscalid, fosetyl (aluminium, calcium, sodium), polyoxin, polycarbamate, Bordeaux mixture mixture), mancozeb, mandipropamid, mandestrobin, maneb, myclobutanil, mineral oils, mildiomycin, methasulfocarb, metam, metalaxyl, metalaxyl-M, metiram, methyltetraprole, metconazole, metominostrobin inostrobin), metrafenone, mepanipyrim, mefentrifluconazole, meptyldinocap, mepronil, iodocarb, laminarin, phosphorous acid and salts, basic copper chloride, silver,Cuprous oxide, cupric hydroxide, potassium bicarbonate, sodium bicarbonate, sulfur, oxyquinoline sulfate, copper sulfate, (3,4-dichloroisothiazol-5-yl)methyl 4-(tert-butyl)benzoic acid ester (chemical name, CAS registration number: 1231214-23-5), BAF-045 (code number), BAG-010 (code number), UK-2A (code number), DBEDC (dodecylbenzenesulfonic acid bisethylenediamine copper complex salt [II]), MIF-1002 (code number), NF-180 (code number), TPTA (triphenyltin acetate), TPTC (triphenyltin chloride), TPTH (triphenyltin hydroxide), non-pathogenic Erwinia carotovora. Here, the code number refers to the development number used by each company.

[0030] When a pest control active ingredient is contained, the pest control active ingredient may be used alone or in combination of any two or more kinds. Examples of the pest control active ingredient include, but are not limited to, acrinathrin, azadirachtin, azamethiphos, azinphos-ethyl, azinphos-methyl, acequinocyl, acetamiprid, and acetoprole. toprole, acephate, azocyclotin, abamectin, afidopyropen, afoxolaner, amidoflumet, amitraz, alanycarb, aldicarb, aldoxycarb rb), allethrin [including d-cis- and d-trans-isomers], isazophos, isamidophos, isocarbophos, isoxathion, isocycloceram, isofenphos-methyl, isoprocarb, iber Mectin (ivermectin), imicyafos (imicyafos), imidacloprid (imidacloprid), imiprothrin (imiprothrin), indoxacarb (indoxacarb), esfenvalerate (esfenvalerate), ethiofencarb (ethifencarb), ethion (ethion), ethiprole (ethiprole), ethylene dibromide (ethylene dibromide), etoxazole (etoxazole), etofenprox (etofenprox), ethoprophos (ethoprophos), etrimfos (etrimfos), emamectin benzoate (emamectin benzoate),Endosulfan, empenthrin, oxazosulfyl, oxamyl, oxydemeton-methyl, oxydeprofos, omethoate, cadusafos, kappa-tefluthrin, kappa-bifenthrin, kadeshrin, and karanjin (karanjin), cartap (cartap), carbaryl (carbaryl), carbosulfan (carbosulfan), carbofuran (carbofuran), gamma-BHC (gamma-BHC), xylylcarb (xylylcarb), quinalphos (quinalphos), kinoprene (kinoprene), chinomethionate (chinomethionat), coumaphos (coumaphos), cryolite (cryolite), clothianidin (clothianidin), clofentezine (clo fentezine), chromafenozide, chlorantraniliprole, chlorethoxyfos, chlordane, chloropicrin, chlorpyrifos, chlorpyrifos-methyl, chlorfenapyr, chlorfenvinphos, chlorflua Zuron (chlorfluazuron), chlormephos (chlormephos), chloroprallethrin (chloroprallethrin), cyanophos (cyanophos), diafenthiuron (diafenthiuron), diamidafos (diamidafos), cyantraniliprole (cyantraniliprole), dienochlor (dienochlor), cyenopyrafen (cyenopyrafen), dioxabenzophos (dioxabenzofos), diofenolan (diofenolan),Cyclaniliprole, dicrotophos, diclofenthion, cycloprothrin, dichlorvos, dichloromezotiaz, 1,3-dichloropropene, dicofol, dicyclanil, disulfoton, dinotefuran, Dinobuton, cyhalodiamide, cyhalothrin [including gamma- and lambda-isomers], cyphenothrin [including (1R)-trans-isomer], cyfluthrin [including beta-isomer], diflubenzuron, cyflumetofen, diflovidazin, cyhexatin, cypermethrin rmethrin [including alpha-, beta-, theta-, and zeta-forms], dimpropylidaz, dimethylvinphos, dimefluthrin, dimethoate, silafluofen, cyromazine, spinetoram, spinosad, spirodiclofen, spirotetramat rotetramat), spiropidione, spiromesifen, sulfofuron sodium salt, sulfuramide, sulfoxaflor, sulfotep, diazinon, thiacloprid, thiamethoxam, thioxazafen, thiodicarb,Thiocyclam, thiosultap, thionazine, thiofanox, thiometon, tyclopyrazoflor, tetrachlorantraniliprole, tetrachlorvinphos ), tetradifon (tetradifon), tetraniliprole (tetraniliprole), tetramethylfluthrin (tetramethylfluthrin), tetramethrin (tetramethrin), tebupirimfos (tebupirimfos), tebufenozide (tebufenozide), tebufenpyrad (tebufenpyrad), tefluthrin (tefluthrin), tef Rubenzuron (teflubenzuron), demeton-S-methyl (demeton-S-methyl), temephos (temephos), deltamethrin (deltamethrin), terbufos (terbufos), tralomethrin (tralomethrin), transfluthrin (transfluthrin), triazamate (triazamate), triazophos (triazophos), Trichlorfon, triflumuron, triflumezopyrim, trimethacarb, tolfenpyrad, naled, nitenpyram, novaluron, noviflumuron, verticillium Verticillium lecanii, hydroprene, Pasteuria penetrans spores, vamidothion, parathion, parathion-methyl, halfenprox, halofenozide, bioallethrin,Bioallethrin S-cyclopentenyl, bioresmethrin, bistrifluron, hydramethylnon, bifenazate, bifenthrin, pyflubamide, piperonyl butoxide butoxide), pymetrozine, pyraclofos, pyrafluprole, pyridaphenthion, pyridaben, pyridalyl, pyrifluquinazon, pyriprole, pyriproxyfen, pirimicarb, pyrimidifen, pyriminostrobin, pirimiphos-methyl, pyrethrins thrine), famflu, fipronil, fenazaquin, fenamiphos, fenitrothion, fenoxycarb, fenothiocarb, fenothrin [including the (1R)-trans-isomer], fenobucarb, fenthion, phenthoate, fenvalerate, fenpyroximate, fenbutanthin oxide oxide), fenpropathrin, fonofos, sulfuryl fluoride, butocarboxim, butoxycarboxim, buprofezin, furathiocarb,Prallethrin, fluacrypyrim, fluazaindolizine, fluazuron, fluensulfone, sodium fluoroacetate, fluxametamide, Flucycloxuron, flucythrinate, flusulfamide, fluvalinate [including tau-isomer], flupyradifurone, flupyrazofos, flupyrimin, flufu Flufiprole, flufenerim, flufenoxystrobin, flufenoxuron, fluhexafon, flubendiamide, flumethrin, fluralanal ), prothiofos, protrifenbut, flonicamid, propaphos, propargite, profenofos, broflanilide, brofluthrinate, prof Lutrin (profluthrin), propetamphos (propetamphos), propoxur (propoxur), flometoquin (flometoquin), bromopropylate (bromopropylate), hexathiazox (hexythiazox), hexaflumuron (hexaflumuron), Paecilomyces tenuipes (Paecilomyces tenuipes), Paecilomyces fumosoroseus (Paecilomyces fumosoroseus), heptafluthrin (heptafluthrin), heptenophos (heptenophos), permethrin (permethrin),Benclothiaz, benzpyrimoxan, bensultap, benzoximate, bendiocarb, benfuracarb, Beauveria tenella, Beauveria bassiana, Beauveria brongniartii brongniaartii), phoxim, phosalone, fosthiazate, fosthietan, phosphamidon, phosmet, polynactins, formetanate, phorate, malathion, milbemectin Milbemectin, mecarbam, mesulfenphos, methoprene, methomyl, metaflumizone, methamidophos, metham, methiocarb, methidathion, methyl isothiocyanate isothiocyanate), methyl bromide, methoxychlor, methoxyfenozide, methotrin, metofluthrin, epsilon-metofluthrin, metolcarb, mevinphos, meperfluthrin, Monacrosporium phymatopagum phymatophagum), monocrotophos, momfluorothrin, epsilon-momfluorothrin, little-A,Little-B, aluminum phosphide, zinc phosphide, hydrogen phosphide, lufenuron, rescale, resmethrin, lepimectin, rotenone, fenbutatin oxide, calcium nitrous oxide cyanide), nicotine sulfate, (Z)-11-tetradecenyl acetate, (Z)-11-hexadecenal, (Z)-11-hexadecenyl acetate, (Z)-9,12-tetradecadienyl acetate, (Z)-9-tetradecen-1-ol, (Z,E)-9,11-tetradecadienyl acetate, (Z,E)-9,12-tetradecadienyl acetate, Bacillus popilliae, Bacillus subtilis, Bacillus sphaericus sphaericus), Bacillus thuringiensis subsp. Aizawai, Bacillus thuringiensis subsp. Israelensis, Bacillus thuringiensis subsp. Kurstaki, Bacillus thuringiensis subsp. Tenebrionis, Bt (Bacillus thuringiensis) proteins (Cry1Ab, Cry1Ac, Cry1Fa, Cry2Ab, mCry3A, Cry3Ab, Cry3Bb, Cry34 / 35Ab1), CL900167 (code number), DCIP (bis-(2-chloro-1-methylethyl) ether), DDT (1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane), DEP (dimethyl-2,2,2-trichloro-1-hydroxyethylphosphonate),DNOC (4,6-dinitro-o-cresol), DSP (O,O-diethyl-O-[4-(dimethylsulfamoyl)phenyl]-phosphorothioate), EPN (O-ethyl-O-4-(nitrophenyl)phenylphosphonothioate), nuclear polyhedrosis virus occlusion bodies, NA-85 (code number), NA-89 (code number), NC-515 (code number), RU15525 (code number), XMC, Z-13-icosen-10-one, ZXI8901 (code number), 1-chloro-5-fluoro-2-[(2,2,2-trifluoroethyl)sulfinyl]-4-[[5-[(trifluoromethyl)thio]pentyl]oxy]benzene (chemical name, CAS registration number: 1472050-04-6), 2,4-dichloro-5-{2-[4-(trifluoromethyl)phenyl]ethoxy}phenyl 2,2,2-Trifluoroethyl sulfoxide (chemical name, CAS registry number: 1472052-11-1), 1,5-dimethyl-2-[(2,2,2-trifluoroethyl)sulfinyl]-4-[[6-[(trifluoromethyl)thio]hexyl]oxy]benzene (chemical name, CAS registry number: 1472050-34-2), 2-{2-fluoro-4-methyl-5-[(2,2,2-trifluoroethyl)sulfinyl]phenoxy}-5-(trifluoromethyl)pyridine (chemical name, CAS registry number: 14487 58-62-0), 3-chloro-2-{2-fluoro-4-methyl-5-[(2,2,2-trifluoroethyl)sulfinyl]phenoxy}-5-(trifluoromethyl)pyridine (chemical name, CAS registration number: 1448761-28-1), 1-[(5,5)-dimethylhexyl)oxy]-2-fluoro-4-methyl-5-[(2,2,2-trifluoroethyl)sulfinyl]benzene (chemical name, CAS registration number: 1472047-71-4), NI-30 (code number),

[0031] When a herbicidal active ingredient is contained, the herbicidal active ingredient may be used alone or in combination of any two or more. Examples of the herbicidal active ingredient include, but are not limited to, ioxynil, aclonifen, acrolein, azafenidin, acifluorfen (including salts with sodium, etc.), azimsulfuron, asulam, acetochlor, atrazine, anilofos, and amical. Bazone, amidosulfuron, amitrole, aminocyclopyrachlor, aminopyralid, amiprofos-methyl, ametryn, alachlor, alloxydim, isouron, isoxachlortol e), isoxaflutole, isoxaben, isoproturon, ipfencarbazone, imazaquin, imazapic (including salts with amines, etc.), imazapyr (including salts with isopropylamine, etc.), imazamethabenz-methyl, imazamox, imazethapyr (imazethapyr), imazosulfuron (imazosulfuron), indaziflam (indaziflam), indanofan (indanofan), eglinazine-ethyl (eglinazine-ethyl), esprocarb (esprocarb), ethametsulfuron-methyl (ethametsulfuron-methyl), ethalfluralin (ethulfuralin), ethidimuron (ethidimuron), ethoxysulfuron (ethoxysulfuron),Ethoxyfen-ethyl (ethoxyfen-ethyl), ethofumesate (ethofumesate), etobenzanide (etobenzanid), endothal disodium salt (endothal-disodium), oxadiazon (oxadiazon), oxadiargyl (oxadiargyl), oxaziclomefone (oxaziclomefone), oxasulfuron (oxasulfuron), oxyfluorfen (oxyfluorfen), oryzalin (oryzalin), orthosulfamuron (orthosulfamuron), orbencarb (orbencarb), oleic acid (oleic acid), cafenstrole, carfentrazone-ethyl, carbutilate, carbetamide, quizalofop-ethyl, quizalofop-P-ethyl, quizalofop-P-ethyl Tefuryl (quizalofop-P-tefuryl), quinoclamine, quinclorac, quinmerac, cumyluron, clacyfos, glyphosate (sodium, potassium, ammonium, amine, propylamine, isopropyl amine, dimethylamine or trimesium salts), glufosinate (glufosinate) (including salts such as amine or sodium), glufosinate-P-sodium salt (glufosinate-P-sodium), clethodim (clethodim), clodinafop-propargyl (clodinafop-propargyl), clopyralid (clopyralid), clomazone (clomazone), chlormethoxyfen (chlormethoxyfen), clomeprop (clomeprop), chloransulam-methyl (cloransulam-methyl), chloramben (chloramben), chloridazon (chloridazon), chlorimuron-ethyl (chlorimuron-ethyl),Chlorsulfuron, chlorthal-dimethyl, chlorthiamid, chlorphthalim, chlorflurenol-methyl, chlorpropham, chlorbromuron, chloroxuron, chlorotoluron, ketospiradox ) (including salts such as sodium, calcium, or ammonia), saflufenacil, sarmentine, cyanazine, cyanamide, diuron, diethyl-ethyl, dicamba (including salts such as amines, diethylamine, isopropylamine, diglycolamine, sodium, or lithium), cycloate, cycloxydim , diclosulam, cyclosulfamuron, cyclopyranil, cyclopyrimorate, dichlobenil, diclofop-P-methyl, diclofop-methyl, dichlorprop, dichlorprop-P, diquat, dithiopyr iopyr), siduron, dinitramine, cinidon-ethyl, cinosulfuron, dinozeb, dinoterb, cyhalofop-butyl, diphenamide, difenzoquat, diflufenican, diflufenzopyr, simazine,Dimethachlor, dimethametryn, dimethenamid, dimethenamid-P, simetryn, dimepiperate, dimefuron, cinmethylin, swep, sulcotrio sulfotrione, sulfentrazone, sulfosate, sulfosulfuron, sulfometuron-methyl, sethoxydim, terbacil, daimuron, thaxtomin A A), dalapon, thiazopyr, thiafenacil, thiencarbazone (including sodium salt, methyl ester, etc.), thiocarbazil, thiobencarb, thidiazimin, thifensulfuron-methyl, desmedipham, desmetryne, tetflupyrolimet, thenylchlor, tebutam, tebutin Uron (tebuthiuron), tepraloxydim (tepraloxydim), tefuryltrione (tefuryltrione), tembotrione (tembotrione), terbuthylazine (terbuthylazine), terbutryn (terbutryn), terbumeton (terbumeton), topramezone (topramezone), tralkoxydim (tralkoxydim), triaziflam (triaziflam), triasulfuron (triasulfuron), triafamone (triafamone), tri-allate (tri-allate), trietazine (trietazine), triclopyr (triclopyr),Triclopyr-butotyl, trifludimoxazin, tritosulfuron, triflusulfuron-methyl, trifluralin, trifloxysulfuron-sodium, tribenuron-methyl, tolpyralate, naptalam am) (including salts with sodium etc.), naproanilide, napropamide, napropamide-M, nicosulfuron, neburon, norflurazon, vernolate, paraquat, haloxifen-benzyl, haloxifen-methyl, haloxyfop oxyfop), haloxyfop-P, haloxyfop-ethotyl, halosafen, halosulfuron-methyl, bixlozone, picloram, picolinafen, bicyclopyrone, bispyribac-sodium, pinoxaden, bifenoc bifenox, piperophos, pyraclonil, pyrasulfotole, pyrazoxyfen, pyrazosulfuron-ethyl, pyrazolinate, bilanafos, pyraflufen-ethyl, pyridafol, pyrithiobac-sodium salt,Pyridate, pyriftalid, pyributicarb, pyribenzoxim, pyrimisulfan, pyriminobac-methyl, pyroxasulfone, pyroxsulam, fenisofam, fenuron, fenoxasulfone, fenoxaprop (including methyl, ethyl, and isopropyl esters), fenoxaprop-P (including methyl, ethyl, and isopropyl esters), fenquinotrione (fenquinotrione), fenthiaprop-ethyl, fentrazamide, phenmedipham, butachlor, butafenacil, butamifos, butyrate, butenachlor, butralin, butoro Butroxydim, flazasulfuron, flamprop (including methyl, ethyl, and isopropyl esters), flamprop-M (including methyl, ethyl, and isopropyl esters), primisulfuron-methyl, fluazifop-butyl, fluazifop-P-butyl zifop-P-butyl), fluazolate, fluometuron, fluoroglycofen-ethyl, flucarbazone-sodium, fluchloralin, flucetosulfuron, fluthiacet-methyl,Flupyrsulfuron-methyl-sodium, flufenacet, flufenpyr-ethyl, flupropanate, flupoxam, flumioxazin, flumiclorac-pentyl, flumetsulam, fluridone, flurtamone amone), fluroxypyr, flurochloridone, pretilachlor, procarbazone-sodium, prodiamine, prosulfuron, prosulfocarb, propaquizafop, propachlor, propazine, propanil nil), propyzamide, propisochlor, propyrisulfuron, propham, profam, propfluazole, propoxycarbazone-sodium salt, profoxydim, bromacil, brompyrazone, prometryn, prometon, lomoxynil (including esters of butyric acid, octanoic acid or heptanoic acid, etc.), bromofenoxim, bromobutide, florasulam, florpyrauxifen, hexazinone, petoxamid, benazolin, penoxsulam, heptamaloxyloglucan,Beflubutamid, beflubutamid-M, pebulate, pelargonic acid, bencarbazone, pendimethalin, benzfendizone, bensulide, bensulfuron-methyl, benzobicyclon, benzofenap p), bentazone, pentanochlor, pentoxazone, benfluralin, benfuresate, fosamine, fomesafen, foramsulfuron, mecoprop (including salts of sodium, potassium, isopropylamine, triethanolamine, dimethylamine, etc.), mecoprop P potassium salt op-P-potassium), mesosulfuron-methyl, mesotrione, metazachlor, metazosulfuron, methabenzthiazuron, metamitron, metamifop, DSMA (disodium methanarsonate), methiozolin, methyldymuron, metoxi metoxuron, metosulam, metsulfuron-methyl, metobromuron, metobenzuron, metolachlor, metribuzin, mefenacet, monosulfuron (including methyl, ethyl, isopropyl esters), monolinuron, molinate,Iodosulfuron, iodosulfuron methyl sodium salt (iodosulfuron-methyl-sodium), iofensulfuron, iofensulfuron-sodium salt (iofensulfuron-sodium), lactofen, lancotrione, linuron, Rimsulfuron, lenacil, TCA (2,2,2-trichloroacetic acid) (including salts such as sodium, calcium, or ammonia), 2,3,6-TBA (2,3,6-trichlorobenzoic acid), 2,4,5-T (2,4,5-trichlorophenoxyacetic acid), 2,4-D (2,4-dichlorophenoxyacetic acid) (including salts such as amines, diethylamine, triethanolamine, isopropylamine, sodium, or lithium), ACN (2-amino-3-chloro-1,4-naphthoquinone), MCPA (2-methyl-4-chlorophenoxyacetic acid), MCPB (2-methyl-4-chlorophenoxybutyric acid) (including sodium salt, ethyl ester, etc.), 2,4-DB (4-(2,4-dichlorophenoxy)butyric acid), DNOC (4,6-dinitro-O-cresol) (including salts such as amines or sodium) including), AE-F-150944 (code number), HW-02 (code number), IR-6396 (code number), MCPA thioethyl (MCPA-thioethyl), SYP-298 (code number), SYP-300 (code number), EPTC (S-ethyldipropylthiocarbamate), S-metolachlor, S-9750 (code number), MSMA (Monosodium methanearsonate).

[0032] When a plant growth regulating active ingredient is contained, the plant growth regulating active ingredient may be used alone or in combination of any two or more. Examples of plant growth regulating active ingredients include, but are not limited to, 1-methylcyclopropene, 1-naphthylacetamide, 2,6-diisopropylnaphthalene (2,6-diisopropylnaphthalene), 4-CPA (4-chlorophenoxyacetic acid), benzylaminopurine, ancymidol, aviglycine, carbone, chlormequat, cloprop, cloxyfonac, cloxyfonac potassium salt, cyclanilide, cytokinins, daminozide aminozide, dikegulac, dimethipin, ethephon, epicholeon, ethychlozate, flumetralin, flurenol, flurprimidol, pronitridine, forchlorfenuron, gibberellins, inabenfide, indoleacetic acid acetic acid, indole butyric acid, maleic hydrazide, mefluidide, mepiquat chloride chloride), n-decyl alcohol (n-decanol), paclobutrazol, prohexadione calcium salt, prohydrojasmon, sintofen, thidiazuron, triacontanol, trinexapac-ethyl, uniconazole, uniconazole-P, 4-oxo-4-(2-phenylethyl)aminobutyric acid (chemical name, CAS registration number: 1083-55-2), calcium peroxide.

[0033] In this embodiment, a vegetable oil or vegetable oil derivative is blended into the pesticide composition. Examples of vegetable oils include, but are not limited to, soybean oil, rapeseed oil, olive oil, castor oil, sunflower oil, coconut oil, corn oil, cottonseed oil, linseed oil, palm oil, peanut oil, safflower oil, sesame oil, and tung oil. The vegetable oil derivative is also not particularly limited. Examples include vegetable oil fatty acid esters such as rapeseed oil fatty acid esters, castor oil fatty acid esters, and castor oil fatty acid glycerin esters, as well as acetylated castor oil. The vegetable oil fatty acid ester may be a mixture or an ester of one of the fatty acids that make up the vegetable oil. Examples of fatty acid esters include methyl oleate, methyl linoleate, and methyl linolenate. Among these, castor oil or a castor oil derivative is particularly preferred. Furthermore, oils with a viscosity at 20°C ranging from 300 mPa·s to 1000 mPa·s are also preferred.

[0034] The blending ratio of the vegetable oil or vegetable oil derivative oil is not particularly limited, but is usually in the range of 1 to 10% by mass, preferably 2 to 8% by mass, of the pesticide composition.

[0035] Furthermore, the pesticide composition of this embodiment may contain adjuvants such as surfactants, emulsifiers, thickeners, pH adjusters, antifreeze agents, antifoaming agents, preservatives, and colorants, if desired.

[0036] The surfactant may be any one that is used in the relevant technical field.For example, alkyl sulfate, dialkyl sulfosuccinate, alkylaryl sulfonate, polyoxyalkylene (POA) allyl phenyl ether, POA allyl phenyl ether sulfate, POA alkyl ether, POA castor oil, POA hydrogenated castor oil, POA sorbitan fatty acid ester, POA sorbitol fatty acid ester, formalin condensate of alkyl naphthalene sulfonate, lignin sulfonate, polycarboxylate, etc. may be used in combination as needed.

[0037] Although the above-mentioned surfactants also function as emulsifiers, water-soluble natural polymers such as gum arabic may also be blended as emulsifiers. When an emulsifier is blended, the blending ratio is not particularly limited, but is usually in the range of 1-8% by mass, preferably 1% to 5% by mass, of the composition. Since blending an excessive amount of emulsifier may result in an increased viscosity of the composition, as with water-soluble synthetic polymers, it is preferable to keep the blending ratio within the above range.

[0038] Examples of thickeners include natural polysaccharides such as xanthan gum, guar gum, tamarind gum, and pectin, and mineral fine powders such as white carbon, talc, bentonite, and clay. However, any known thickener may be used alone or in combination. The range of the blending ratio when a thickener is blended is not particularly limited, and the preferred range varies depending on the thickener selected. In this embodiment, the thickener is blended for the purpose of adjusting the viscosity of the pesticide composition to a preferred viscosity range. The preferred viscosity range of the pesticide composition of this embodiment is approximately 100 mPa·s to 1000 mPa·s, and more preferably approximately 200 mPa·s to 800 mPa·s, when measured using a Brookfield viscometer at a rotation speed of 30 rpm and at 20°C. The thickener may be blended in an amount such that the viscosity of the pesticide composition falls within this range. Those skilled in the art can easily determine such an appropriate blending amount by a simple experiment, that is, by adding the thickener stepwise to the pesticide composition.

[0039] Examples of pH adjusters include acidic substances such as sulfuric acid, citric acid, and potassium dihydrogen phosphate, basic substances such as sodium hydroxide, calcium carbonate, and disodium hydrogen phosphate, and further mixtures of weak acids and their conjugate bases that exhibit buffering ability in aqueous solutions, and mixtures of weak bases and their conjugate acids. Any substance known as a pH adjuster may be used alone or in combination of two or more.

[0040] Examples of antifreezing agents include relatively low molecular weight water-soluble substances such as urea and salt, and water-soluble polyhydric alcohols such as propylene glycol, ethylene glycol, diethylene glycol, and glycerin. Any substance known as an antifreezing agent may be used alone or in combination of two or more.

[0041] Examples of the defoaming agent include silicone-based defoaming agents such as polyalkylpolysiloxane and polyphenylpolysiloxane, metal salts of fatty acids such as myristic acid and sodium stearate, etc. Known defoaming agents may be used alone or in combination of two or more.

[0042] Examples of preservatives include isothiazolin-3-one derivatives such as methylisothiazolinone, chloromethylisothiazolinone, and benzisothiazolinone, 2-bromo-2-propane-1,3-diol, bronopol, sorbates, parabens, benzoic acid or salts thereof, etc. Any substance known as a preservative may be used alone or in combination of two or more.

[0043] Examples of colorants include rhodamine B, C.I. Pigment Red 112, C.I. Solvent Red 1, Pigment Blue 15:4, Pigment Blue 15:3, Pigment Blue 15:2, Pigment Blue 15:1, Pigment Blue 80, Pigment Yellow 1, Pigment Yellow 13, Pigment Red 112, Pigment Red 48:2, Pigment Red 48:1, Pigment Red 57:1, Pigment Red 53:1, Pigment Orange 43, Pigment Orange 34, Pigment Orange 5, Pigment Green 36, Pigment Green 7, Pigment White 6, Pigment Brown 25, Basic Violet 10, Basic Violet 49, Acid Red 51, Acid Red 52, Acid Red 14, Acid Blue 9, Acid Yellow 23, Basic Red 10, and Basic Red 108. Any substance known as a colorant may be used alone or in combination of two or more.

[0044] Furthermore, the pesticide composition of this embodiment may contain a toxicity reducer if desired. When a toxicity reducer is contained, the amount and ratio of the toxicity reducer to be added can be appropriately determined by those skilled in the art. The toxicity reducer may be used alone or in combination of any two or more types. Examples of toxicity reducers include, but are not limited to, benoxacor, furilazole, dichlormid, dicyclonone, DKA-24 (N1,N2-diallyl-N2-dichloroacetylglycinamide), AD-67 (4-dichloroacetyl-1-oxa-4-azaspiro[4.5]decane), PPG-1292 (2,2-dichloro-N-(1,3-dioxan-2-ylmethyl)-N-(2-propenyl)acetamide), R-29148 (3-dichloroacetyl-2,2,5-trimethyl-1,3-oxazolidine), cloquintocet-mexyl, naphthalic anhydride (1,8-naphthalic Anhydride), mefenpyr-diethyl, mefenpyr, mefenpyr-ethyl, fenchlorazole-ethyl, fenclorim, MG-191 (2-dichloromethyl-2-methyl-1,3-dioxane), cyometrinil, flurazole, fluxofenim uxofenim), isoxadifen, isoxadifen-ethyl, MON4660 (code number), oxabetrinil, cyprosulfamide, lower alkyl substituted benzoic acid, TI-35 (code number), or N-(2-methoxybenzoyl)-4-[(methylaminocarbonyl)amino]benzenesulfonamide (chemical name, CAS registration number: 129531-12-0).

[0045] Since the pesticide active ingredient and the vegetable oil or vegetable oil derivative oil may separate or settle during storage, micronization is desirable. A method for micronizing the pesticide active ingredient includes mixing predetermined amounts of the pesticide active ingredient, surfactant, water, and, if desired, other optional ingredients, and wet-grinding the mixture at high speed with grinding media such as glass beads, ceramic beads, or stainless steel beads. Alternatively, the pesticide active ingredient may be dry-grinded using impact grinding, airflow grinding, or other means. Micronization of the vegetable oil or vegetable oil derivative oil can be achieved by high-speed shearing using the above-mentioned wet grinding. Alternatively, predetermined amounts of the vegetable oil or vegetable oil derivative oil, emulsifier, water, etc. can be mixed and micronized using a homogenizer or the like. The pesticide composition of this embodiment can be obtained by simultaneously micronizing the pesticide active ingredient, the vegetable oil or vegetable oil derivative oil, and water, or by mixing the micronized slurries.

[0046] Regardless of which of the above manufacturing methods is adopted, the particle size of the pesticidal active ingredient particles after pulverization in the pesticidal composition is not particularly limited, but is preferably about 0.2 μm to 10 μm, more preferably about 0.5 μm to 6 μm, in terms of volume median diameter. Furthermore, the particle size of the vegetable oil or vegetable oil derivative oil in the pesticidal composition is also not particularly limited, but is preferably about 0.05 μm to 100 μm, more preferably about 0.1 μm to 50 μm, in terms of volume median diameter. The volume median diameter of the particles can be measured, for example, using a measuring device that employs laser diffraction as its measurement principle.

[0047] Furthermore, in general, when an aqueous suspension formulation has an extremely low viscosity, liquid phase separation during storage becomes significant, while on the other hand, when the viscosity is extremely high, it becomes difficult to discharge from the bottle or stir when used. Therefore, when the pesticide composition of this embodiment is an aqueous suspension formulation, the preferred viscosity range of the pesticide composition of this embodiment, which reduces liquid phase separation during storage and allows for good dischargeability from the bottle when used, is about 100 mPa s to 1000 mPa s, and more preferably about 200 mPa s to 800 mPa s, when measured using a Brookfield viscometer at a rotation speed of 30 rpm and at 20°C.

[0048] The pesticide composition of this embodiment obtained as described above can be diluted with water and then applied to the surface of seeds of useful plants. Seeds treated with the pesticide composition of this embodiment have a strong ability to support the pesticidal active ingredient on their surface, and the pesticidal active ingredient is less likely to peel off after treatment. Therefore, there is little risk of workers being exposed to dust from the peeled pesticidal active ingredient. Therefore, the pesticide composition of this embodiment can be used as a seed treatment agent.

[0049] The degree of peeling of the pesticide active ingredient from the seed surface treated with the pesticide composition can be evaluated by any reasonable method, and a representative evaluation method can be the Heubach method.The Heubach method is an industry standard evaluation method established by the European Seed Association, which is recognized as a parameter of the quality of treated seeds for the airborne dust and abrasion particles of treated seeds.In summary, the Heubach method involves rolling seeds in a container with three blades, sucking up the generated dust, adsorbing it on a filter, and calculating the weight of the adsorbed dust.

[0050] When seeds are treated with the pesticide composition of this embodiment, the amount of dust generated by rolling the seeds is reduced compared to the amount of dust generated by seeds similarly treated with a control composition containing water instead of oil. The degree of reduction is not particularly limited, but typically, the amount of dust generated by rolling seeds of useful plants treated with a water dilution of the pesticide composition of this embodiment is 75% by mass or less, preferably 60% by mass or less, of the amount of dust generated by rolling seeds treated with the control composition.

[0051] The pesticide composition of this embodiment achieves the objective of preventing dust containing pesticidal active ingredients from peeling off from seeds treated with the pesticide composition. Therefore, the incorporation of a water-soluble synthetic polymer, a conventional dust generation suppression technique, is not required. However, this embodiment does not avoid the incorporation of a water-soluble synthetic polymer into the pesticide composition. If desired, a water-soluble synthetic polymer may be incorporated as long as the viscosity of the composition does not deviate from a range suitable for use. However, the need for the incorporation of a water-soluble synthetic polymer has already disappeared, and formulation designs that use adjuvants without any purpose are not economical.

[0052] The blending ratio of the water-soluble synthetic polymer in the pesticide composition of this embodiment is not particularly limited, but is preferably less than 1 mass % of the composition, and most preferably 0 mass %. In other words, it is most preferable that the pesticide composition of this embodiment does not contain any water-soluble synthetic polymer at all.

[0053] By using the pesticide composition of this embodiment to treat seeds of a useful plant before sowing, it is possible to prevent the occurrence of diseases, pests, or weeds, or the abnormal growth of the useful plant during the subsequent cultivation process of the useful plant. That is, the method for preventing crop damage of this embodiment comprises treating seeds of a useful plant before sowing with the pesticide composition of this embodiment, thereby preventing the occurrence of diseases, pests, or weeds, or the abnormal growth of the useful plant during the subsequent cultivation process of the useful plant. A method for treating seeds with the pesticide composition of this embodiment, for example, is to dilute the pesticide composition with water, mix and stir the diluted solution with the seeds, and then remove and dry the seeds. The method for treating seeds with the pesticide composition of this embodiment is not limited to this, and well-known seed treatment techniques can be applied.

[0054] This embodiment also includes seeds of useful plants that have been treated with the pesticide composition of this embodiment and then the water in the pesticide composition has been volatilized. That is, the seeds of useful plants of this embodiment have a pesticidal active ingredient and a vegetable oil or vegetable oil derivative oil supported on their surfaces. The seeds of useful plants of this embodiment may also have a trace amount of water supported on their surfaces in addition to the pesticidal active ingredient and the vegetable oil or vegetable oil derivative oil. The water supported on the surfaces of the seeds of useful plants of this embodiment is, for example, water derived from the pesticide composition or a dilution thereof, but is not limited thereto.

[0055] The present invention will be described in detail below with reference to examples and test examples, but the present invention is not limited to these examples. In the following examples, "parts" refers to parts by mass. The viscosities described were measured using a Brookfield viscometer at a rotation speed of 30 rpm and 20°C. However, viscosity values ​​below the measurement limit (10 mPa s) are expressed as less than 10 mPa s.

[0056] Example 1 33.64 parts of dichlorobenthiazox, 0.75 parts of POA allylphenyl ether sulfate sodium salt, 2.0 parts of alkylnaphthalenesulfonic acid formaldehyde condensate sodium salt, 1.25 parts of citric acid monohydrate, 2.34 parts of disodium hydrogenphosphate dodecahydrate, 0.1 parts of dimethylpolysiloxane, 0.05 parts of a mixture of methylisothiazolinone, chloromethylisothiazolinone, and 2-bromo-2-propane-1,3-diol (trade name "BioHope L": manufactured by K.I. Chemical Co., Ltd.), and 25.24 parts of water were mixed and wet-pulverized to obtain a pulverized slurry (A). Next, 2.0 parts of alkylnaphthalenesulfonic acid formaldehyde condensate sodium salt, 0.2 parts of bentonite, 0.2 parts of dimethylpolysiloxane, 3.0 parts of gum arabic, 6.4 parts of castor oil (viscosity: 944 mPa s), and 22.83 parts of water were mixed and emulsified using a homogenizer to obtain a diluted solution (A). The ground slurry (A) and the diluted solution (A) were mixed to obtain a composition (1) of the present invention.

[0057] [Comparative Example 1] 2.0 parts of alkylnaphthalenesulfonic acid formaldehyde condensate sodium salt, 0.2 parts of bentonite, 0.2 parts of dimethylpolysiloxane, 3.0 parts of gum arabic, 6.4 parts of polyvinyl alcohol, and 22.83 parts of water were mixed to obtain a diluted solution (B). The ground slurry (A) and the diluted solution (B) were mixed to obtain a comparative composition (1).

[0058] Test Example 1 The viscosity of the obtained composition of the present invention (1) and comparative composition (1) was measured. The viscosity was measured using a Brookfield viscometer (device name "VISCOMETER TVB-10M": manufactured by Toki Sangyo Co., Ltd.) with spindle No. M2 or M3, a rotation speed of 30 rpm, and 20°C. The viscosity measurement results of the composition of the present invention (1) and comparative composition (1) are shown in Table 1.

[0059]

[0060] From Table 1 above, it can be seen that the composition (1) of the present invention containing castor oil has a viscosity suitable for use, while the comparative composition (1) containing polyvinyl alcohol has such a high viscosity that it is difficult to use.

[0061] [Example 2] Dichlorobenthiazox 22.29 parts, POA allylphenyl ether sulfate sodium salt 1.24 parts, alkylnaphthalenesulfonic acid formaldehyde condensate sodium salt 0.55 parts, citric acid monohydrate 0.64 parts, disodium hydrogen phosphate dodecahydrate 1.20 parts, xanthan gum 0.05 parts, bentonite 0.08 parts, dimethylpolysiloxane 0.16 parts, trade name "Biohope L" 0.03 parts, water 25.06 parts are mixed and wet-ground to obtain ground slurry (B). Ground slurry (B) is mixed with castor oil (viscosity: 944 mPa s) 4.0 parts, water 44.70 parts, to obtain the present invention composition (2).

[0062] Example 3 4.0 parts of acetylated castor oil (trade name "Rickcizer GR-301", viscosity: 321 mPa·s) and 44.70 parts of water were mixed with the above-mentioned ground slurry (B) to obtain a composition (3) of the present invention.

[0063] Example 4 4.0 parts of rapeseed oil (viscosity: 102 mPa·s) and 44.70 parts of water were mixed with the above-mentioned ground slurry (B) to obtain a composition (4) of the present invention.

[0064] Example 5 4.0 parts of sunflower oil (viscosity: 97 mPa·s) and 44.70 parts of water were mixed with the above-mentioned ground slurry (B) to obtain a composition (5) of the present invention.

[0065] Comparative Example 2 4.0 parts of normal paraffin (viscosity: less than 10 mPa·s) and 44.70 parts of water were mixed with the ground slurry (B) to obtain a comparative composition (2).

[0066] Reference Example 48.70 parts of water was mixed with the above-mentioned ground slurry (B) to obtain a control composition.

[0067] Test Example 2 The obtained compositions of the present invention (2) to (5), comparative composition (2), and control composition were diluted 5-fold with tap water and used to treat wheat seeds (variety: Kitahomare). The seed treatment was carried out by placing 100 g of wheat seeds in a plastic bag, adding 1.05 mL of the diluted solution with a micropipette, and vigorously stirring. All seed treatments were carried out on the same day, and the seeds were stored in plastic bags at 20°C for 13 days.

[0068] The amount of dust generated from the treated seeds was measured by the Heubach method. Specifically, 100 g of the treated seeds were placed in a dust meter (device name "DUSTMETER Type I": manufactured by Heubach DUSTMETER GmbH), and the seeds were rolled at a rotation speed of 30 rpm for 120 seconds to generate dust. The dust was sucked at a suction rate of 20 L / min and adsorbed onto filter paper. The weight of the dust adsorbed onto the filter paper was measured, and the measured value multiplied by 1000 was used as the amount of dust generated per 100 kg of seeds. The results are shown in Table 2.

[0069]

[0070] It can be seen that the compositions (2) to (5) of the present invention all suppress the amount of dust generation compared to the control composition containing only water and the comparative composition (2) containing normal paraffin.

[0071] This application claims priority based on Japanese Patent Application No. 2021-177426, filed on October 29, 2021.

Claims

1. An aqueous suspension pesticide composition comprising a pesticidal active ingredient, an oil which is a vegetable oil or a vegetable oil derivative, and water.

2. The composition of claim 1 , wherein the oil is castor oil or a castor oil derivative.

3. 2. The composition according to claim 1, wherein the oil has a viscosity of 300 mPa·s to 1000 mPa·s at 20°C.

4. The composition according to claim 1, containing 20 to 55% by mass of the pesticide active ingredient.

5. The composition according to claim 1, wherein the oil is contained in an amount of 2 to 8% by mass.

6. 2. The composition according to claim 1, having a viscosity at 20°C of 200 mPa·s to 800 mPa·s.

7. The composition according to claim 1, which is characterized in that it does not contain any water-soluble synthetic polymers or the total content of water-soluble synthetic polymers is less than 1% by mass.

8. The composition of claim 1 further comprising gum arabic.

9. The composition according to any one of claims 1 to 8, which is a seed treatment agent.

10. 10. The composition according to claim 9, wherein the amount of dust generated when seeds of a useful plant treated with a water-diluted solution of the aqueous suspension pesticidal composition are rolled is 75% by mass or less of the amount of dust generated when seeds treated with a water-diluted solution of a control composition containing water instead of oil are rolled.

11. A method for preventing damage to crops, which comprises applying an aqueous suspension pesticide composition containing a pesticidal active ingredient, a vegetable oil or an oil which is a vegetable oil derivative, and water to the surface of seeds of a useful plant, thereby preventing the occurrence of diseases, pests or weeds, or abnormal growth of the useful plant during the subsequent cultivation process of the useful plant.

12. The seeds of useful plants have a pesticide active ingredient and a vegetable oil or vegetable oil derivative oil carried on their surfaces.