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
  • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
• • 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
  • A01N47/08—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 one or more single bonds to nitrogen atoms
  • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
  • A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
• • 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

Definitions

• the present invention relates to a pesticide composition containing a pesticide efficacy potentiating agent and a pesticidal active ingredient, and to a method for potentiating the efficacy of a pesticidal active ingredient.
• pesticide compositions such as insecticides, fungicides, herbicides, miticides, plant growth regulators and the like.
• various trials have been carried out with respect to the type of formulation, i.e., emulsion, wattable powder, granules, powder, flowable agent, etc.
• a pesticide efficacy potentiating agent has therefore been proposed which, when used together with a pesticidal active ingredient, is capable of potentiating the efficacy of the pesticidal active ingredient.
• Patent Reference Document No. 1 consists of a 3-dimensional copolymer having a (poly) ethyleneoxy group unit (EO), a (poly) propyleneoxy group unit (PO), and a (poly)ethyleneoxy group unit (BO) within the molecule.
• pesticide efficacy potentiating agent disclosed in this reference is capable of potentiating the efficacy of the pesticidal active ingredient and thus decreasing the amount of pesticide employed, chemical damage sometimes depending on the use.
• Patent Document 1 Japanese Unexamined Patent Application, First Publication No. H11-035406
• the present invention was conceived in view of the above-described circumstances encountered in the conventional art, and has as its objective the provision of a pesticide composition which is capable of potentiating the efficacy of a pesticidal active ingredient without causing chemical damage, containing a pesticide efficacy potentiating agent and a pesticidal active ingredient.
• the present invention further relates to a method for potentiating the efficacy of a pesticidal active ingredient.
• the present inventors carried out exhaustive research to solve the problems disclosed above, and completed the present invention with the discovery that when using a pesticidal active ingredient, the efficacy of the pesticidal active ingredient can be potentiated without causing chemical damage by combined use of a compound having a specific polyoxyalkylene structure within the molecule.
• the first embodiment of the present invention is a pesticide composition including a pesticidal active ingredient and a compound represented by chemical formula (I) or chemical formula (II)
• EO represents an ethyleneoxy group
• PO represents a propyleneoxy group
• R represents an alkyl or alkenyl group having 8 to 20 carbons
• w represents on average an integer in the range of 1 to 25
• x represents on average an integer in the range of 1 to 25
• y represents on average an integer in the range of 1 to 25
• z represents on average an integer in the range of 1 to 25.
• the compound represented by chemical formula (I) or chemical formula (II) can be used as a pesticide efficacy potentiating agent which is capable of potentiating the efficacy of the pesticidal active ingredient.
• the pesticide composition according to the present invention preferably includes a solvent and an adsorption carrier.
• the pesticidal active ingredient of the pesticide composition according to the present invention is preferably a neonicotinoid type compound, and the neonicotinoid type compound is preferably an acetamiprid.
• the second embodiment of the present invention is a method for potentiating the efficacy of the pesticidal active ingredient, comprising using a compound represented by chemical formula (I) or chemical formula (II) in combination with a pesticidal active ingredient.
• the pesticide composition according to the present invention employs a compound represented by chemical formula (I) or chemical formula (II) as the pesticide efficacy potentiating agent along with the pesticidal active ingredient to potentiate the efficacy of the pesticidal active ingredient. Further, the pesticide composition according to the present invention is highly stable and does not cause chemical damage or the like.
• the method for potentiating the efficacy of the pesticidal active ingredient of the present invention enables potentiation of the efficacy of the pesticidal active ingredient which is employed. As a result, it is possible to reduce the amount of pesticidal active ingredient employed and to decrease chemical damage.
• the present invention includes a compound represented by chemical formula (I) (hereinafter referred to as “compound (I)”), or by the chemical formula (II) (hereinafter referred to as “compound (II)”).
• compound (I) a compound represented by chemical formula (I)
• compound (II) a compound represented by chemical formula (I) or chemical formula (II) as the pesticide efficacy potentiating agent.
• Compound (I) and compound (II) are 4-dimensional copolymer having a (poly)ethyleneoxy group (—C 2 H 4 —O—) unit (EO), a (poly)propyleneoxy group (—C 3 H 6 —O—) unit (PO), a (poly)ethyleneoxy group (—C 2 H 4 —O—) unit (EO) and a (poly)propylene oxy group (—C 3 H 6 —O—) unit (PO) in the molecule.
• R represents an alkyl or alkenyl group having 8 to 20 carbons.
• alkyl group having 8 to 20 carbons examples include straight or branched octyl, nonyl, decyl, undecyl, dodecyl and tridecyl groups or the like.
• alkenyl group having 8 to 20 carbons examples include straight or branched octenyl, nonenyl, decenyl, undecenyl, dodecenyl and tridecenyl groups or the like.
• w represents on average any integer in the range of 1 to 25
• x represents on average any integer in the range of 1 to 25
• y represents on average any integer in the range of 1 to 25
• z represents on average any integer in the range of 1 to 25.
• the polymer exists as a mixture of compounds having different number of unit.
• the term “average” here is the average value of the unit number.
• Compounds (I) and (II) can be produced by a conventionally known method as disclosed in, for example, Japanese Patent Application, Publication No. 2004-98054. These compounds are also available commercially as Newcol 2308 LY and Newcol 2306HYT (both manufactured by Nippon Nyukazai Co., Ltd.), and may be used in this form without further modification.
• the pesticidal active ingredient employed in the present invention is not particularly restricted, and an organic or inorganic compound may be used therefor. Further, a single compound or a mixture may be used. In addition, the form is not particularly restricted, with either liquid or solid forms acceptable.
• pesticidal active ingredients may be used alone or in combinations of two or more.
• fungicides which may be cited include CNA, DPC, EDDP, IBP, PCNB, TPN, agrobacterium, isoprothiolane, ipconazole, iprodione, iminoctadine albesilate, iminoctadine acetate, imibenconazole, echlomezole, oxadixyl, oxycarboxin, oxytetracycline, oxine-copper, oxolinic acid, kasugamycin, carbendazole, quinoxaline, captan, chloroneb, diethofencarb, dicromezine, dithianon, zineb, difenoconazole, cyproconazole, dimethirimol, ziram, streptomycin, sulfenic acid-based (dichlofluanid), dazomet, thiadiazine, thiabendazole, thiophanate methyl, t
• insecticides which may be cited include BPMC, BPPS, BRP, CPCBS, CVMP, CVP, CYAP, DCIP, DEP, ECP, EPN, ESP, MIPC, MPMC, MPP, MTMC, PAP, PHC, PMP, XMC, acrinathrin, acetamiprid, acephate, amitraz, alanycarb, allethrin, isoxathion, isophenphos, imidacloprid, ethiofencarb, ethion, ethylthiometon, ethofenprox, ethoprophos MC, etrimfos, oxamyl, sodium oleate, cartap, carbosulfan, quinalphos, chlorfentezine, chlorpyrifos, chlorpyrifos-methyl, chlorfluazuron, chlorobenzilate, kelthane, salithion, dienochlor
• miticides examples include Smite (2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one), Acricid (2,4-dinitro-6-secondary-butylphenyl dimethylacrylate), Chlormit (isopropyl 4,4-dichlorobenzylate), Acar (ethyl-4,4-dichlorobenzylate), Kelthane[1,1-bis(p-chlorophenyl)-2,2,2-trichloroethanol], Citrazon (ethyl-O-benzoyl-3-chlor-2,6-dimethoxybenzohydroxymate), Omite [2-(p-tert-butylphenoxy)-cyclohexyl-2-propinyl sulfite], Osadan (hexylcis( ⁇ , ⁇ -dimethylphenylethyl)distannoxane), Hexythi
• herbicides which may be cited include 2,4-PA, ACN, CNP, DAP, DBN, DCBN, DCMU, DCPA, DPA, DSMA, IPC, MBPMC, MCC, MCP, MCPB, MCPP, MDBA, PAC, SAP, TCA, TCTP, sethoxydim, ioxynil, asulam, atrazine, amiprophosmethyl, ametrine, alachlor, alloxydim, isouron, isoxaben, imazapyr, imazosulfuron, esprocarb, ethidimuron, oxadiazon, orthobencarb, karbutilate, quizalofop ethyl, quinclorac, glyphosate, chloadetoxinyl, clomeprop, chlorphthalim, cyanazine, sodium cyanate, diquat, dithiopyr, siduron, cinosulfuron, diphenamide, simazine
• rodenticides which may be cited include coumarin derivatives, chlorophacinone, thallium sulfate, sodium monofluoroacetate, zinc phosphide and the like.
• plant growth regulators which may be cited include abscisic acid, inabenfide, indole acetic acid, iniconazole, ethychlozate, ethephon, oxyethylene docosanol, oxine-sulfate, calcium chloride, calcium sulfate, calcium peroxide, quinoxaline, DEP, cloxyfonac, chlormequat, chlorella extract choline chloride, cyanamide, dichlorprop, gibberellin daminozide, decylalcohol, trinexapac-ethyl, paclobutrazol, paraffin, piperonyl butoxide, pyraflufen-ethyl, flurprimidol, prohydrojasmon, prohexadione-calcium, benzylaminopurine, pendimethalin, benfuracarb, inabenfide forchlorfenuron, potassium maleic hydra
• antibacterial agents, antifungal agents and anti-mold agents examples include trialkyl triamine, ethanol, isopropyl alcohol, propyl alcohol, trisnitro, chlorobutanol, pronopol, glutaraldehyde, formaldehyde, ⁇ -bromocinnamaldehyde, Skane M-8, Kathon CG, NS-500W, BIT, n-butyl BIT, allyl isothiocyanate, thiabendazole, methyl 2-benzimidazolyl carbamate, lauricidin, BioBang, triclocarban, halocarban, glasisicar benzoic acid, sorbic acid, caprylic acid, propionic acid, 10-undecylenic acid, potassium sorbate, potassium propionate, potassium benzoate, monomagnesium phthalate, zinc undecylenate, 8-hydroxyquinoline, copper quinoline, TMTD, triclosan, dichlo
• Neonicotinoid type compounds may be cited as preferred examples of the pesticidal active ingredient.
• neonicotinoid type compounds include acetamiprid, imidacloprid, clothianidin, dinotefuran, thiacloprid, thiamethoxam, nitenpyram and the like.
• the amount of the pesticidal active ingredient contained is not particularly restricted, but is typically in the range of 0.001 to 99 wt %, preferably in the range of 0.01 to 70 wt %, and more preferably in the range of 0.1 to 50 wt %, with respect to the pesticide composition in total.
• the proportion of the present invention's compound (I) or compound (II), and the pesticidal active ingredient that are used in the pesticide composition according to the present invention is not particularly restricted.
• ⁇ compound (I) or compound (II) ⁇ /(pesticidal active ingredient) 0.03/1 to 50/1, more preferably 0.04/1 to 20/1, and even more preferably 0.1/1 to 10/1.
• the amount of compound (I) or compound (II) employed with respect to the pesticidal active ingredient is in the above-referenced range, it is possible to relatively increase the potentiating effect on the efficacy of the pesticide which is desired, as compared to when these values are less than the above-cited ranges.
• the amount of compound (I) or compound (II) used with respect to the pesticidal active ingredient exceeds the above-cited range, the increase in efficacy beyond that cited above is not desirable.
• a solvent in the pesticide composition according to the present invention.
• a liquid pesticide composition having a superior potentiating effect on the efficacy of the pesticidal active ingredient and a reduced chemical damage can be obtained.
• the employed solvent is not particularly restricted, so long as it is permitted from an agricultural and horticultural perspective.
• Examples which may be cited include water, alcohol-based solvents, ether-based solvents, phenol-based solvents, heterocyclic ring-based solvents, hydrocarbon-based solvents, ester-based solvents, amide-based solvents, ketone-based solvents, sulfur containing-based solvents, and mixed solvents of two or more of these.
• alcohol-based solvents examples include ethanol, n-propanol, isopropanol, n-butanol, neopentanol, n-hexanol, heptanol, n-octanol, isoctanol, 2-ethyhexanol, dodecyl alcohol, tridecyl alcohol, oleyl alcohol, ethylene glycol, diethylene glycol, glycerol, propylene glycol, dipropylene glycol, hexylene glycol, tetrahydrofurfuryl alcohol, glycerin, 1-thioglycerol, 3-methoxy-1-butanol, 2-mercaptoethanol, cyclohexanol, 3-methyl-3-methoxy-1-butanol, butyl diglycol, furfuryl alcohol, ethylene diglycol, ethyleneglycol diacetate, isopropylene glycol, 2-(2-ch
• ether-based solvents examples include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol dimethyl ether and the like.
• phenol-based solvents examples include cresol, octyl phenol, nonyl phenol, triisobutyl phenol, tristearyl phenol and the like.
• heterocyclic ring-based solvents examples include N-methyl-2-pyrrolidone, ⁇ -butyrolactone, propylene carbonate and the like.
• hydrocarbon-based solvents examples include such aromatic hydrocarbons as benzene, toluene, xylene, mesitylene, ethylbenzene or the like; condensed aromatic hydrocarbons such as naphthalene, 1-methyl naphthalene, 2-methyl naphthalene, dimethyl naphthalene, indan, tetralin and the like; saturated or unsaturated cyclic aliphatic hydrocarbons such as cyclohexene, cyclohexin, cyclohexane, methylcyclopentane, and the like; and straight or branched, saturated or unsaturated aliphatic hydrocarbons such as pentane, hexane, octane, 2-methylbutane, 2,2,4-trimethyl pentane, and the like.
• aromatic hydrocarbons as benzene, toluene, xylene, mesitylene, ethylbenzene or the like
• ester-based solvents examples include such hydroxyl-carboxylic esters as formic acid ester, acetic acid ester, propionic acid ester, erucic acid ester, lauric acid ester, palmitic acid ester, stearic acid ester, oleic acid ester, linoleic acid ester, linolenic acid ester, and the like; such hydroyxcarboxylic acid esters as lactic acid ester, citric acid ester and the like; such aliphatic polycarboxylic acid esters as oxalic acid ester, malonic acid ester, succinic acid ester, glutaric acid ester, adipic acid ester, pimelic acid ester, sebacic acid ester, azelaic acid ester, suberic acid ester, maleic acid ester, phthalic acid ester, terephthalic acid ester, mellitic acid ester, trimellitic acid ester, polymale
• alkyl ester having 1 to 10 carbons such as methyl ester, ethyl ester, n-propyl ester, isopropyl ester, n-butyl ester, isobutyl ester, s-butyl ester, t-butyl ester, n-pentyl ester, and isopentyl ester, among others, may be cited.
• amide-based solvents N,N-dimethyl formamide, N,N-dimethyl acetamide and the like may be cited.
• ketone-based solvents acetone, methylethylketone, cyclohexanone, isophorone, diacetone alcohol, methyl isobutyl ketone, methyl-n-amyl ketone, 2-methyl-2-pentene-4-one, acetophenon, and the like may be cited.
• DMSO dimethyl sulfoxide
• castor oil examples include castor oil, coconut oil, palm oil, rapeseed oil, flaxseed oil, cottonseed oil, soybean oil, tang oil, squalane, sardine oil and the like may be cited.
• the amount of solvent employed is not particularly restricted, but is typically in the range of 1 to 99.9 wt %, and preferably in the range of 30 to 96 wt %, with respect to the total pesticide composition.
• an adsorption carrier be included in the pesticide composition according to the present invention. Even in the case of a solid pesticide composition containing an adsorption carrier, it is possible to obtain a superior efficacy potentiating effect on the pesticide active ingredient and reducing effect on chemical damage. Further, by including an adsorption carrier, it is possible to obtain a solid pesticide composition with excellent dilution properties. Namely, a pesticide composition can be obtained which, when diluting in water, has superior selfdispersibility, does not readily flocculate, has low foaming and a small amount of sedimentation.
• the adsorption carrier employed is not particularly restricted as long as it is able to absorb compound (I) or compound (II).
• Examples which may be cited include amorphous silica (white carbon), diatomite, zeolite, Attapulgite, acid clay and the like. Among these, amorphous silica and diatomite are preferred due to their high ability to absorb oil.
• amorphous silica examples include Nipsil NS-K and Nipsil NS-KR manufactured by Tosoh Corp.; Carplex #80, Carplex #67 and Carplex #1120 manufactured by DSL. Japan Co., Ltd; Tokusil NSK and Tokusil P manufactured by Tokuyama Corp.; and AEROSIL 130, AEROSIL 200, AEROSIL 300, and AEROSIL 380 manufactured by Nippon Aerosil Co. Ltd.
• diatomite examples include such dry diatomites as DiaFil 610 and DiaFil 615 manufactured by Celite Corporation, Radiolite S PF manufactured by Showa Chemical Industry Co., Ltd., Kunilite 201 manufactured by Kunimine Industries Co. Ltd., and oplite P-1300 manufactured by Oplite Mining Industry; such sintered diatomite manufactured products as Radiolite #100, Radiolite 200, Radiolite #500, Radiolite #800, and Radiolite Fine Flow B manufactured by Showa Chemical Industries Co., Ltd; and such flux-sintered diatomite manufactured products as Radiolite Microfine, Radiolite F, Rdiolite Clear Flow, and Radiolite #2000 manufactured by Showa Chemical Industries Co., Ltd., and Zemlite 3Y manufactured by Hakusan Corp.; among others.
• the amount of adsorption carrier employed is not particularly restricted, but is typically in the range of 1 to 99.9 wt %, preferably in the range of 20 to 80 wt %, and more preferably in the range of 30 to 70 wt %, with respect to the pesticide composition in total.
• the pesticide composition according to the present invention may include a surfactant.
• a surfactant By including a surfactant, it is possible to further improve the effect of potentiating the efficacy of the pesticidal active ingredient, and to decrease chemical damage.
• the surfactant is not particularly restricted, and nonionic surfactants, anionic surfactants, cationic surfactants and amphoteric surfactants may be employed.
• nonionic surfactants include polyoxyethylene alkyl ether, polyoxyalkylene allyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene stearyl phenyl ether, polyoxyethylene vegetable oil ether, polyoxyethylene aliphatic acid ester, polyoxyethylene sorbitan aliphatic acid ester, polyoxyethylene phenyl ether polymer, polyoxyethylene alkylene aryl phenyl ether, polyoxyalkylene aryl phenyl ether, polyoxyethylene alkylene glycol, and polyoxyethylene polyoxypropylene block polymer; fluorinated surfactants (perfluoroalkyl carboxylic acid, etc.); silicon-based surfactants (polyoxyalkylene dimethyl polysiloxane copolymer, etc.); acetylene glycol-based surfactants (2,4,7,9-tetramethyl-decyne-4,7-diol, etc.); and the like.
• Examples of cationic surfactants include such alkyl amine ethylene oxide adducts as tallow amine ethylene oxide adduct, oleyl amine ethylene oxide adduct, soy amine ethylene oxide adduct, cocoamine ethylene oxide adduct, synthetic alkyl amine ethylene oxide adduct, and octyl amine ethylene oxide adduct; alkyl amine propylene oxide adduct; the alkanol amine alkyl esterified compound, alkylene oxide adducts thereof disclosed in pamphlet WO95/33379, and quaternary ammonium compound derived from these compounds; and mixtures thereof.
• anionic surfactants include polycarboxylic acid surfactant, ligninsulfonate, alkylarylsulfonate, dialkyl sulfosuccinate, polyoxyethylene alkyl aryl ether sulfate, alkyl naphthalene sulfonate, polyoxyethylene stearyl phenyl ether sulfate, alklyl benzene sulfonate, alkyl sulfate, and the like.
• amphoteric surfactants include lauryl dimethylamineoxide, Armox C/12, amineoxide, Monaterics, Miranols, betaine, Lonzaines, and mixtures thereof.
• surfactants may be used alone or in combinations of two or more.
• the pesticide composition according to the present invention by mixing in as desired a solvent or adsorption carrier, and/or a surfactant with compound (I) or compound (II), and the stirring the obtained mixture.
• the compound (I) or compound (II) employed in the present invention is superior with respect to its effect on increasing the efficacy of the pesticidal active ingredient, and does not cause chemical damage. Accordingly, it is possible to reduce the amount of pesticidal active ingredient employed, or to decrease the amount of chemical damage with no change in the used amount of the pesticidal active ingredient.
• chelating agents such as chelating agents, pH adjustors, inorganic salts, and viscosity enhancers may be included in the pesticide composition according to the present invention within a range which does not impair the effects of the present invention.
• additives may be added as needed to compound (I) or compound (II), the at least one type of pesticidal active ingredient, and, as desired, solvent or adsorption carrier, and/or surfactant, etc., and solid carriers, liquid carriers and gas carriers may be mixed in, or the pesticide composition may be impregnated into a porous ceramic plate or base agent such as a nonwoven cloth, so that the pesticide composition of the present invention may be formulated into the states used for conventional pesticides.
• pesticide states which may be cited include wattable powder, granular formulation, dust formulation, emulsion formulation, water-soluble chemicals, suspension agents, granular wattable powder, flowable, aerosol, smoke and misting agents, heat steam agents, fumigants, poison baits, microcapsules or the like.
• additives and carriers examples include vegetable powders such as soybean or wheat flour; mineral micropowders such as diatom clay, apatite, plaster, talc, bentonite, pyrophyllite, clay and the like; and organic and inorganic compounds such as benzoate soda, urea, Glauber's salt, and the like.
• Examples which may be cited for a gas carrier employed in a spray agent include butane gas, LG, dimethyl ether and carbon dioxide gas.
• the pesticide composition according to the present invention may be formulated by adding and stirring the compound (I) and compound (II) of the present invention into a formulated or commercially available pesticide composition or pesticide formulation which contains at least one type of pesticidal active ingredient.
• the pesticide composition according to the present invention may be employed as is without modification, or may be diluted in water or the like, and used over seeds, plants, water surfaces or soil. Further, the pesticide composition according to the present invention may be used in combination with other fungicides, insecticides, herbicides, spreaders, fertilizers, soil improving agents and the like.
• the pesticide composition according to the present invention may be used in the treatment of both agricultural and non-agricultural land.
• the pesticide composition according to the present invention may be employed as a seed treating agent in such treatments on seed potato as spraying, coating, spraying-coating, soaking, etc.; as a foliage treating agent in such treatments as spraying, top dressing, etc.; as a soil treating agent in such treatments as surface spraying, mixture treatment, irrigation treatment, fumigation, planting hole treatment, plant foot treatment, planting row treatment, infurrow treatment, nursery box treatment, nursery pot treatment, etc.; as a rice paddy treating agent in such treatments as giant forming tablets treatment, flowable agent treatment, etc.; and as a treating agent in such treatments as fumigation, lawn treatment.
• the pesticide composition according to the present invention may be employed as a soil pests and disease control agent, termite control agent, pest control agent, wood pest control agent, bait, animal external parasite control agent, health related pest control agent, household insecticide, algaecide for fishing nets and the like, anti-mildew agent for wood and the like, etc.
• the applied amount of the pesticide composition according to the present invention which is employed will depend on the types of pesticidal active ingredient employed, climate conditions, formulation, application method, application site, target disease, target crop and the like. However, typically the quantity of effective component compound is 1 to 1000 g, and preferably 10 to 100 g per 1 hectare.
• the efficacy of the pesticidal active ingredient are sufficiently displayed due to the action of the compound (I) or compound (II) included in the pesticide composition according to the present invention.
• the pesticide composition according to the present invention has high pesticidal activity and low chemical damage as compared to a pesticide composition which does not include either compound (I) or compound (II).
• the second invention is a method for potentiating the efficacy of the pesticidal active ingredient, characterized in employing the compound (I) or compound (II) according to the present invention as the pesticide efficacy potentiating agent when employing a pesticidal active ingredient.
• examples of methods for potentiating the efficacy of the pesticidal active ingredient according to the present invention include:
• the present invention's method for potentiating the efficacy of a pesticidal active ingredient enables the efficacy of the pesticidal active ingredient employed to be increased. As a result, it is possible to decrease the amount of pesticidal active ingredient employed and to decrease the chemical damage.
• NK-EP-700, 70%, manufactured by Takemoto Oil and Fat Co., Ltd. 1 part metal salt of dioctyl sulfosuccinate (NK-EP-700, 70%, manufactured by Takemoto Oil and Fat Co., Ltd.) employed as an efficacy potentiating agent, 2.2 parts acetamiprid employed as the pesticidal active ingredient, and 96.8 parts diethylene glycol employed as the solvent were mixed and dissolved to obtain a uniform pesticide composition 3.
• Each of the pesticide compositions 1 to 3 were diluted 200 fold with water, and 200 ml of the obtained solution was dispersed per pot holding Japanese black pines (4 years old, pot cultivated). Once sufficiently dry, 10 pine branches were sampled from each pot. Then each pine branch was fixed inside a cup and one adult pine sawyer beetle was released therein. Accordingly, 10 cups (5 cups male, 5 cups female) were sampled per composition, and the effect of the insecticide was observed from Day 1 to Day 7. The observed results are shown in Table 1 below, as well as for the case of no treatment.
• the maturation feeding area is the area of the new branch surface area of the pine which was eaten by one adult pine sawyer beetle.
• “Withering” means the case where abnormal excitation such as spasm or the like are observed without causing death.
• Efficacy potentiating agent I employed as compound (I) or compound (II), was added by stirring to each of the commercially available pesticide formulations aqueous Mospilan ⁇ 4000 fold, manufactured by Nippon Soda Co., Ltd. (identical below) ⁇ , Nab emulsion ⁇ 1000 fold, manufactured by Nippon Soda Co., Ltd. (identical below) ⁇ , and Topsin M wattable powder ⁇ (1000 fold, manufactured by Nippon Soda Co., Ltd. (identical below) ⁇ , to reach a concentration of 750 ppm, 500 ppm, and 250 ppm, respectively, thereby formulating pesticide compositions 4 to 6.
• Pesticide compositions 7 to 9 were each formulated by adding Newcol 2303 (polyoxyethylene alkyl ether, manufactured by Nippon Nyukazai Co., Ltd., hereinafter referred to as “efficacy potentiating agent A”) to aqueous Mospiran, Nab emulsion, and Topsin M wattable powder, respectively, to achieve concentrations of 750 ppm, 500 ppm, and 250 ppm.
• Newcol 2303 polyoxyethylene alkyl ether, manufactured by Nippon Nyukazai Co., Ltd., hereinafter referred to as “efficacy potentiating agent A”
• Pesticide compositions 10 to 12 were each formulated by adding Newcol 2303Y (polyoxyethylene polyoxypropylene polyoxyethylene alkyl ether, manufactured by Nippon Nyukazai Co., Ltd., hereinafter referred to as “efficacy potentiating agent B”) to aqueous Mospiran, Nab emulsion, and Topsin M wattable powder, respectively, to achieve concentrations of 750 ppm, 500 ppm, and 250 ppm.
• Newcol 2303Y polyoxyethylene polyoxypropylene polyoxyethylene alkyl ether, manufactured by Nippon Nyukazai Co., Ltd., hereinafter referred to as “efficacy potentiating agent B”) to aqueous Mospiran, Nab emulsion, and Topsin M wattable powder, respectively, to achieve concentrations of 750 ppm, 500 ppm, and 250 ppm.
• the chemical damage index is a 0 to 10, ten-stage scale in which the value of the index increases as the degree of chemical damage worsens, i.e., where “0” is employed for the case where the leaves are observed to be completely healthy without any chemical damage detected, and “10” is employed for the case of death due to chemical damage.
• Pesticidal active Pesticide Efficacy Concentration ingredient Potentiating Agent 250 ppm 500 ppm 750 ppm Pesticide aqueous Efficacy Potentiating Chemical 0 0 0.5 Composition 4 Mospiran Agent I damage (Example 3) Index Pesticide Efficacy Potentiating 1 4 6 Composition 7 Agent A (Comp. Ex. 2) Pesticide Efficacy Potentiating 1 4 6 Composition 10 Agent B (Comp. Ex. 5) Pesticide NAB Efficacy Potentiating 0 1 2 Composition 5 emulsion Agent I (Example 4) Pesticide Efficacy Potentiating 1 4 5 Composition 8 Agent A (Comp. Ex.
• Pesticide Efficacy Potentiating 0.5 2 4 Composition 11 Agent B (Comp. Ex. 6) Pesticide Topsin M Efficacy Potentiating 0.5 1 2 Composition 6 wattable powder Agent I (Example 5) Pesticide Efficacy Potentiating 2 4 6 Composition 9 Agent A (Comp. Ex. 4) Pesticide Efficacy Potentiating 2 4 4 Composition 12 Agent B (Comp. Ex. 7)
• Efficacy potentiating agent I in the amount of 7 parts was employed as compound (I) or compound (II), and non-crystalline silica (Carplex #1120, manufactured by DSL. Japan Co., Ltd.) in the amount of 7 parts was employed as the adsorption carrier, to obtain 14 parts absorbed product (1) in which the efficacy potentiating agent I is absorbed by the adsorption carrier.
• the obtained 14 parts adsorption product (1) was mixed in 10 parts Topsin M wattable powder and 76 parts Crown Clay in a coffee mill to obtain a uniform pesticide composition 13.
• Example 6 and Comparative Examples 8 and 9 were examined for self dispersibility when put into water, and foam height, amount of sedimentation and the presence of flocculation 30 minutes after inverting 30 times, and the dilution properties were tested.
• Self dispersibility was evaluated with a visual inspection of the condition following introduction of the pesticide composition to a 100 ml Nessler tube into which 100 mL of 3 degree hard water had been introduced.
• Pesticide Pesticide Pesticide Composition 13 Composition 14 Composition 15 (Example 6) (Comp. Ex. 8) (Comp. Ex. 9) Self ⁇ X ⁇ dispersibility Presence of ⁇ + ⁇ flocculation Foam height 0 4 17 (mm) Amount of 0.1 0.5 0.1 sedimentation (mL)
• Pesticide composition 13 has superior self dispersibility, and, even 30 minutes after dilution, does not flocculate, has no foam height and a low amount of sedimentation.
• pesticide composition 14 has poor self dispersibility, and flocculates with a large amount of sedimentation 30 minutes after dilution.
• Pesticide composition 15 has excellent self dispersibility, with no flocculation and little sedimentation 30 minutes after dilution, but the foam height is great.
• the present invention provides a pesticide composition having a highly effecatious pesticidal active ingredient and high stability, without chemical damage. Further, as a result of the present invention's method for potentiating the efficacy of the pesticidal active ingredient, it is possible to reduce the amount of pesticidal active ingredient employed and decrease the chemical damage, which has industrial benefits.

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