Novel insecticidal and fungicidal compositions

专利摘要:
PURPOSE: To obtain an excellent insecticidal/fungicidal composition as a controller for insect pests in paddy-rice plants and blast neck rot of rice plant. CONSTITUTION: This insecticidal/fungicidal composition comprises emamectin or its salt and a controller for blast neck rot of rice plant ((1RS,3SR)-2,2- dichloro-N-£1-(4-chlorophenyl)ethyl|-1-ethyl-3-methylcyclopropanecarboxamide, 2-cyano-N-£1-(2,4-dichlorophenyl)ethyl|-3,3-/1-dimethylbutanamide, 3-allyloxy-1,2- benzoisothiazole-1,1-dioxide, 1,2,5,6-tetrahydropyrrolo£3,2,1-ij|quinolin-4-one or 5-methyl-1,2,4-triazolo£3,4-b|benzothiazole) as active ingredients.
公开号:KR20020073087A
申请号:KR1020020007964
申请日:2002-02-14
公开日:2002-09-19
发明作者:오츠유이치；시부야가츠히코
申请人:니혼 바이엘 아그로켐 케이. 케이.；
IPC主号:

专利说明:

Novel insecticidal and fungicidal compositions
[1] The present invention relates to compositions of novel insecticidal and fungicidal synergistic active substances. The composition contains known emamectins or salts thereof, and rice blast remedies.
[2] Emamectin and its salts are 16-membered ring macrolide compounds prepared with the insecticidal avermectin (EP-A-89202; EP-A-301806; Journal of Organic Chemistry, 59 , 7704-7708, (1994); and US-5,288,710), which are used as insecticides and mites, and are known to be used in combination with insecticides (WO99 / 25187, WO00 / 02453).
[3] In rice cultivation, mechanical transplantation by young seeding transplanter has been widely performed recently, and in addition to saving labor due to simultaneous control of insects and crop diseases in rice fields, it is possible to apply chemicals to the nursery box during hair growth, It aims to reduce labor in disease and insect control by seed treatment.
[4] In addition, the reduction of the application amount and the number of times of application of pesticides is strongly demanded in terms of safety and environmental preservation, and the application of smaller amounts of chemicals is being considered.
[5] In particular, in rice cultivation, labor reduction and effective control of harmful insects and rice diseases are required. Harmful insects include, for example, Lepidoptera ( Chilo suppresalis , Cnaphalocrosis medinalis , etc.) and Thysanoptera ( Chloetriphs oraza ). ( Chloethrips oryzae, etc.) and rice blasts may be mentioned as an important salvation disease.
[6] The inventors have found that a novel active combination of (a) emamectin or a salt thereof and (b) at least one active ingredient selected from rice blast remedies exhibits particularly high pesticidal and fungicidal activity.
[7] Surprisingly, the pesticidal and fungicidal compositions according to the invention show a marked synergistic insecticidal effect by mixing, which is unpredictable from the pesticidal effect when using emamectin or salts thereof alone, and thus the pesticides and The fungicidal composition exhibits excellent insecticidal effects and excellent remedy against rice blasts at much lower dosages compared to when emamectin and rice blast remedies alone are used alone.
[8] In addition, the insecticidal and fungicidal compositions according to the present invention are particularly important harmful insects against rice, such as knaphalocrosis Medialis, which has acquired resistance to existing drugs (organo-phosphorus and carbamate insecticides). Simultaneously and precisely, it exerts an excellent effect on the insects of Tisanovoptera, such as Repidoftera insects and Cloeteps orazare, and rice blasts, the most important disease against rice.
[9] Emamectin is a mixture of isomers known as Emamectin B1b and Emamectin B1a (MK-244 described in US-4,874,749, Journal of Organic Chemistry, 59 , 7704-7708 (1994)). In the present invention, emamectin can be used as a mixture of these isomers or as a single isomer. In the present invention, emamectin can be used as the free base or in the form of salts with inorganic or organic acids. Inorganic salts of emamectin include, for example, hydrochloride (see USP 4,874,749) and phosphate (see US-5,288,710). Organic salts of emamectins include, for example, benzenesulfonates, maleates, citrates, molar salts, benzoates, salicylates (US-5,288,710).
[10] Among the above-mentioned emamectins or salts thereof, in particular emamectin benzoate [a mixture of emamectin B1a benzoate and emamectin B1b benzoate; Reference. The Pesticide Manual, Twelfth Edition (2000), published by The British Crop Protection Council.
[11] As rice blast control agents used in combination with the above-mentioned emamectins or salts thereof in the insecticidal and fungicidal compositions according to the invention, several known agents can be used (see The Pesticide Manual, Twelfth Edition). Preferred compounds that can control rice blast are:
[12] 1,2,5,6-tetrahydropyrrolo [3,2,1-ij] quinolin-4-one
[13] (Pyroquilon), (2-1)
[14] (1RS, 3SR) -2,2-dichloro-N- [1- (4-chlorophenyl) ethyl] -1-ethyl-3-methylcyclo
[15] Propanecarboxamide (carpropamid), (2-2)
[16] 3-allyloxy-1,2-benzoisothiazole-1,1-dioxide
[17] (Probenazole), (2-3)
[18] 5-Methyl-1,2,4-triazolo [3,4-b] benzothiazole
[19] (Tricyclazole), (2-4)
[20] 2-cyano-N- [1- (2,4-dichlorophenyl) ethyl] -3,3-dimethylbutanamide
[21] (Dichlocimet), (2-5)
[22] (For these compounds, for example, see The Pesticide Manual, Twelfth Edition (2000), Japanese Patent Laid-Open No. 76846/1990).
[23] In the insecticidal and fungicidal composition according to the present invention, the mixing ratio of emamectin or its salt and rice blast control agent can be varied within a wide range depending on the use of the composition and the type of rice blast control agent. Generally, rice blast control agents can be used in the range of 0.1 to 2,000,000 parts by weight, preferably 1 to 1,000,000 parts by weight, based on 1 part by weight of emamectin or salt thereof. 5 to 500,000 and 10 to 100,000 parts by weight relative to 1 part by weight of emamectin or salts thereof are likewise possible. However, the above-mentioned mixing ratio can be changed as necessary in consideration of the kind of insects to be controlled, the incidence of diseases, and the like.
[24] The insecticidal and fungicidal compositions provided by the present invention exhibit excellent pesticidal and fungicidal activity, such as, for example, foliage application, underwater or sleep application, soil application, soil mixing treatment, hair growth box application, seed treatment as insecticide and fungicides. It can be used in a wide range of applications. Preferred may be sleep application, hair growth box application and seed treatment.
[25] The insecticidal and fungicidal compositions according to the present invention are not harmful to cultivated plants and have low toxicity to warm-blooded animals, and are used as pesticides to precisely control diseases and harmful insects, mainly harmful insects against rice and rice blasts, especially in rice protection. Can be used. Insecticidal and fungicidal compositions according to the invention are typically active at all or some stages of growth for susceptible and resistant species of harmful insects and pathogens.
[26] According to the present invention a wide range of pathogens and harmful insects can be controlled.
[27] Harmful insects include, for example, Knafalocrocis mediallis and kilo supresalis belonging to Lepidoptera and tisanofterra, in particular Lepidoptera; There is a Cloetrips auraza belonging to Tissanoftera.
[28] Pathogens include, for example, Pyricularia oryzae belonging to Dueteromycetes , in particular belonging to Deuteromycetes .
[29] The insecticidal and fungicidal compositions according to the invention can be made into conventional preparations in the form of a mixture of emamectin or its salts and rice blast control in practical applications. Formulations include, for example, solutions, emulsions, water-soluble powders, suspensions, powders, granules, water-dispersible granules, aerosols, natural and synthetic substances impregnated with active compounds, microcapsules, coating compositions for seeds, ULV Agent, warming agent] and the like.
[30] These formulations may be prepared according to methods known per se, for example, using surfactants, ie emulsifiers and / or dispersants, emamectins or salts thereof and rice blast remedies (hereafter referred to collectively as active ingredients of the invention). May be prepared by mixing with an extender, i.e., a liquid diluent or carrier, liquefied gas diluent or carrier, solid diluent or carrier. When water is used as the extender, organic solvents can also be used as auxiliary solvents.
[31] Liquid diluents or carriers include, for example, aromatic hydrocarbons (eg xylene, toluene, alkylnaphthalene, etc.), chlorinated aromatic or chlorinated aliphatic hydrocarbons (eg chlorobenzene, ethylene chloride, methylene chloride, etc.), aliphatic hydrocarbons [E.g. cyclohexane, paraffin (e.g. mineral oil fraction), etc.), alcohols (e.g. butanol, glycols and ethers or esters thereof, etc.), ketones (e.g. acetone, methyl ethyl ketone, methyl Isobutyl ketone, cyclohexanone, etc.), strong polar solvents (eg, dimethylformamide, dimethylsulfoxide, etc.) and water.
[32] Liquefied gas diluents or carriers are materials that are gaseous at room temperature and atmospheric pressure, and for example, aerosol fillers such as butane, propane, nitrogen gas, carbon dioxide, halogenated hydrocarbons and the like can be mentioned.
[33] Dispersants include, for example, natural minerals (e.g. kaolin, clay, talc, chalk, quartz, attapulgite, montmorillonite, diatomaceous earth, etc.) and synthetic minerals (e.g., highly dispersed silicic acid, alumina, silicates, etc.). Included.
[34] Solid carriers for granulation include, for example, crushed and classified rocks (eg calcite, marble, pumice, calcite, dolomite, etc.), synthetic granules of inorganic and organic powders and granules of organic matter (eg sawdust). , Coconut shells, corncobs, tobacco trunks, etc.).
[35] Emulsifiers and / or foam formers include, for example, nonionic and anionic emulsifiers [eg, polyoxyethylene fatty acid esters, polyoxyethylene fatty acid alcohol ethers (eg alkylaryl polyglycol ethers), alkylsulfonates, Alkyl sulfates, arylsulfonates, etc.) and albumin hydrolysis products.
[36] Dispersants include, for example, lignosulphite waste liquor, methylcellulose, and the like.
[37] Fixing agents can also be used in the formulations (powders, granules, emulsion concentrates). Fixing agents include, for example, carboxymethyl cellulose, natural and synthetic polymers (eg, gum arabic, polyvinyl alcohol, polyvinyl acetate, and the like).
[38] Colorants can also be used. Colorants include, for example, inorganic pigments (such as iron oxide, titanium oxide and prussian blue, etc.), organic dyes (such as alizarin dyes, azo dyes, metal phthalocyanine dyes, and the like).
[39] Micronutrients may also be included, such as salts of metals such as iron, manganese, boron, copper, cobalt, molybdenum and zinc and the like.
[40] The formulations may generally contain the pesticidal and fungicidal compositions according to the invention in the range of 0.1 to 95% by weight, preferably 0.5 to 90% by weight.
[41] The pesticidal and fungicidal compositions according to the invention can be used in the form of pre-prepared formulations or by tank mixing of the respective active compounds immediately before use.
[42] The insecticidal and fungicidal compositions according to the invention can be used in the form of their commercially useful formulations or in the form of application prepared from these formulations, and also other agriculturally active ingredients such as other pesticides and / or May be mixed with fungicides, growth regulators, fertilizers, herbicides and the like.
[43] As the other pesticides mentioned above, in particular, neonicotinoide insecticides (e.g. imidacloprid, thiacloprid, clothianidin, nitenpyram, dino) Tefuran, thiamethoxam, acetamiprid, etc.) may be mentioned.
[44] The insecticidal and fungicidal compositions according to the invention are suitable for paddy field applications, rice seedling application or rice seed treatment.
[45] For commercially useful application forms, the content of the pesticidal and fungicidal compositions according to the invention can be varied within a wide range and the application concentration of the pesticidal and fungicidal compositions according to the invention is for example from 0.0000001 to 100% by weight. Preferably, in the range of 0.01 to 80% by weight.
[46] For example, when treating rice in paddy applications, the concentration of the active ingredient according to the invention in actual application forms can vary within substantial ranges, generally from 0.00001 to 1% by weight, preferably 0.0001 to 0.5 It can vary within the range of weight percent.
[47] When treating young rice wool in a hair growth box application, the active ingredient according to the invention is generally in the range of 0.001 to 100 g, preferably 0.01 to 50 g per hair growth box (30 × 60 × 3 cm, using about 51 soils). Can be used within.
[48] When treating seed, the active ingredient according to the invention can be used in the range of generally 0.006 to 600 g, preferably 0.06 to 300 g per kg of seed.
[49] Next, an Example demonstrates this invention more concretely. However, the present invention is not limited only to these examples. In addition, unless otherwise indicated,% and parts are weight% and weight part.
[50] Biological test example
[51] Example 1
[52] Tests on the Application of Foliage to Cnaphalocrosis medinalis
[53] Test compound
[54] (1) Emamectin Benzoate
[55] (2-1) pyroquilon
[56] (2-2) capropamide
[57] (2-3) Probenazole
[58] (2-4) tricyclazole
[59] Test formulation
[60] (a) For treatment with emamectin alone, the formulation of the desired concentration is diluted by diluting the emamectin benzoate 1% emulsion concentrate (trade name: Affirm emulsion concentrate) with a 2000-fold diluted aqueous solution of the electrodeposited neoesterin. Prepared.
[61] (b) disinfectant compound was dissolved in a mixture of 7 parts of dimethylformamide and 3 parts of polyoxyethylene alkyl phenyl ether to disinfect the fungicide compound with a 2000-fold dilute aqueous solution of electrodeposited neoesterin for treatment with the fungicide alone. The formulation was prepared by diluting to 1000 ppm.
[62] (c) For the combination treatment of emamectin and fungicide, emamectin was diluted with the fungicide dilution solution prepared in (b) to prepare a formulation of a predetermined concentration.
[63] (d) A dilute solution containing only electrodeposition agent was used for the control group.
[64] Trial crop
[65] Seedlings of 10 rice seeds in a 9 cm diameter plastic pot filled with soil were grown for 6 weeks.
[66] Test insect
[67] Larvae of Cnaphalocrosis medinalis subcultured in our laboratory
[68] Processing method
[69] Formulations of the desired concentration were sprayed on rice seedlings using an automatic spraying device. After drying in air, the rice leaves were cut and placed on filter paper laid out on a glass dish of 9 cm diameter. Five larvae of Cnaphalocrosis medinalis were inoculated thereon and then treated rice leaves (test crops) were fed every two days. The number of insects was observed after 2 days and after 7 days, and insecticide rates were obtained from the results after 7 days. The test was performed twice. The results are shown in Tables 1 and 2 below.
[70] result
[71] TABLE 1 : Compositions of Active Compounds According to the Invention
[72]
[73] TABLE 2 Comparison test
[74]
[75] Example 2
[76] Tests on the Application of Foliage to Cnaphalocrosis medinalis
[77] Test compound
[78] (1) Emamectin Benzoate
[79] (2-2) capropamide
[80] (2-4) tricyclazole
[81] Test formulation
[82] (a) For treatment with emamectin alone, the formulation of the desired concentration is diluted by diluting the emamectin benzoate 1% emulsion concentrate (trade name: Affirm emulsion concentrate) with a 2000-fold diluted aqueous solution of the electrodeposited neoesterin. Prepared.
[83] (b) 2000-fold dilution of caproamide 15% suspending concentrate (trade name: WIN suspending concentrate) and tricyclazole 75% hydratable powder, respectively, as a disinfectant neoester for treatment with fungicides alone. Dilution with aqueous solution gave a formulation of the desired concentration.
[84] (c) For the combination treatment of emamectin and fungicide, emamectin was diluted with the fungicide dilution solution prepared in (b) to prepare a formulation of a predetermined concentration.
[85] (d) A dilute solution containing only electrodeposition agent was used for the control group.
[86] Trial crop
[87] Seedlings of 10 rice seeds in a 9 cm diameter plastic pot filled with soil were grown for 6 weeks.
[88] Test insect
[89] Larvae of Cnaphalocrosis medinalis subcultured in our laboratory
[90] Processing method
[91] Formulations of the desired concentration were sprayed on rice seedlings using an automatic spraying device. After drying in air, the rice leaves were cut and placed on filter paper laid out on a glass dish of 9 cm diameter. Five larvae of Cnaphalocrosis medinalis were inoculated thereon and then treated rice leaves (test crops) were fed every two days. After 4 days the number of dead insects was observed to obtain insecticide rate from the results. The test was performed three times. The results are shown in Tables 3 and 4 below.
[92] TABLE 3 : Compositions of Active Compounds According to the Invention
[93]
[94] Table 4 Comparison test
[95]

权利要求:
Claims (7)
[1" claim-type="Currently amended] a) emamectin or a salt thereof, and b) at least one active compound capable of controlling rice blast, and at least one active ingredient selected from a) emamectin or salt thereof and b) rice blast remedies Insecticidal and fungicidal compositions having a weight ratio of 1: 0.1 to 1: 2,000,000.
[2" claim-type="Currently amended] The compound according to claim 1, wherein the compound capable of controlling rice blasts is carpropamid and / or probenazole and / or dichocimet and / or pyroquilon and / or Or tricyclazole.
[3" claim-type="Currently amended] A method of controlling harmful insects against rice blasts and rice, wherein the composition according to claim 1 is applied to rice plants and / or their habitats.
[4" claim-type="Currently amended] The method according to claim 3, wherein the composition according to claim 1 or 2 is applied to rice plants in a hair growing box.
[5" claim-type="Currently amended] A method according to claim 3, wherein the composition according to claim 1 is applied to rice plants in paddy fields.
[6" claim-type="Currently amended] Use of an active combination according to claim 1 or 2 for controlling rice blasts and / or harmful insects against rice.
[7" claim-type="Currently amended] A process for the preparation of pesticidal and fungicidal compositions, characterized in that the active combinations according to claim 1 or 2 are mixed with extenders and / or surfactants.

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同族专利:

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公开号 | 公开日

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CN1375199A|2002-10-23|

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JP2002265309A|2002-09-18|

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HK1048918A1|2003-04-25|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-03-13|Priority to JP2001070084A

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2001-03-13|Priority to JPJP-P-2001-00070084

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2002-02-14|Application filed by 니혼 바이엘 아그로켐 케이. 케이.

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2002-09-19|Publication of KR20020073087A

优先权:

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申请号 | 申请日 | 专利标题

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JP2001070084A|JP2002265309A|2001-03-13|2001-03-13|Insecticidal/fungicidal composition|

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JPJP-P-2001-00070084|2001-03-13|