WO2015115476A1 - Méthode de lutte contre des insectes nuisibles et agent de lutte - Google Patents

Méthode de lutte contre des insectes nuisibles et agent de lutte Download PDF

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Publication number
WO2015115476A1
WO2015115476A1 PCT/JP2015/052348 JP2015052348W WO2015115476A1 WO 2015115476 A1 WO2015115476 A1 WO 2015115476A1 JP 2015052348 W JP2015052348 W JP 2015052348W WO 2015115476 A1 WO2015115476 A1 WO 2015115476A1
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Prior art keywords
isoprothiolane
treatment
control method
mass
pest control
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PCT/JP2015/052348
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English (en)
Japanese (ja)
Inventor
徹 内黒羽子
康 足立
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日本農薬株式会社
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Priority claimed from JP2014112567A external-priority patent/JP2017078026A/ja
Application filed by 日本農薬株式会社 filed Critical 日本農薬株式会社
Publication of WO2015115476A1 publication Critical patent/WO2015115476A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
    • A01N43/26—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings
    • A01N43/28—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings with two hetero atoms in positions 1,3

Definitions

  • the present invention relates to an effect of enhancing the effect of isoprothiolane on pests sensitive to and resistant to insecticides, and an effect enhancer. Specifically, not only pests sensitive to synthetic pyrethroid compounds, organophosphorus compounds, carbamate compounds, IGR agents, and neonicotinoid compounds, but also pests that have acquired resistance to these drugs, The present invention relates to a method for controlling pests, particularly planthoppers and scale insects, characterized by treating plants with one or more insecticidal compounds selected from the drugs and isoprothiolane.
  • Isoprothiolane is a compound known mainly as a fungus fungus or plant growth regulator.
  • buprofezin is a compound that is used as an insecticide for stink bugs as an IGR agent.
  • neonicotinoid B insecticides such as imidacloprid, nitenpyram, acetamiprid, acetamiprid, thiamethoxam, thiacloprid, clothianidin, dinotefuran and benzo
  • MC Carbamate insecticides such as MIPC (isoprocarb) and MTMC (metolcarb), and drugs such as pymetrozine and flonicamid are also compounds that have been used as insecticides for stink bugs (for example, , See Non-Patent Document 1).
  • synthetic pyrethroid compounds such as etofenprox and silafluofen, organophosphorus compounds such as acephate and chloropyrifos, and phenylpyrazoles such as fipronil and pyriprole Systemic drugs are known as insecticides for insect pests such as stink bugs and butterflies.
  • synthetic pyrethroid compounds such as etofenprox and silafluofen, organophosphorus compounds such as acephate and chloropyrifos, and phenylpyrazoles such as fipronil and pyriprole Systemic drugs are known as insecticides for insect pests such as stink bugs and butterflies. (For example, refer nonpatent literature 1).
  • Planthoppers such as Japanese planthopper (Nilaparvata lugens), Japanese planthopper (Ladelphax striatellus), and white-tailed planthopper (Sogataella furcifera) are control insects that harm paddy rice produced in the Asian region. In the larval stage, these pests invade rice by sucking sap from the leaf vascular bundle, and in the adult stage, they lay their eggs in the central vein of the leaf sheath and interfere with the transport of water and nutrients. Causes serious damage.
  • planthoppers are known to mediate plant viruses. For example, planthoppers mediate glassy stunt tenuivirus and raggitstunt oryzavirus, and striped viruses are striped viruses. Mediate (stripevirus). As a result, damages such as withering occur.
  • various pesticides have been used to control pests that are difficult to control pests.
  • many pests that have acquired resistance to pyrethroid compounds, organophosphorus compounds, carbamate compounds, IGR agents, and neonicotinoid compounds have been reported (for example, see Non-Patent Documents 2 and 3). ). Therefore, the appearance of these pests that have acquired cross resistance and / or multidrug resistance is a great threat to rice cultivation.
  • the subject of the present invention is not only pests sensitive to insecticides as described above, but also IGR agents such as buprofezin, neonicotinoid compounds, carbamate compounds, phenylpyrazole compounds, synthetic pyrethroid compounds, organophosphorus compounds
  • IGR agents such as buprofezin, neonicotinoid compounds, carbamate compounds, phenylpyrazole compounds, synthetic pyrethroid compounds, organophosphorus compounds
  • Another object of the present invention is to provide a method and a pest control method for pests that have acquired cross resistance and / or multi-drug resistance to various other insecticides.
  • the present inventor conducted extensive research on combinations of various compounds in order to create pest control methods and control agents that have acquired resistance to existing insecticides as well as insecticides that are sensitive to insecticides. .
  • isoprothiolane which is usually known as a fungicide for blast disease
  • IGR agents such as buprofezin, which are known as insecticides, neonicotinoid compounds and carbamate compounds, etc.
  • the present invention [1] A method for controlling pests comprising treating a plant with isoprothiolane and one or more insecticidal compounds selected from the group consisting of buprofezin, neonicotinoid compounds and carbamate compounds, [2] The insect pest according to [1], wherein the plant is treated with either one of isoprothiolane or one or more of the insecticidal compounds, and then the other agent is treated after a considerable period of time.
  • Control method [3] The pest control method according to [1] or [2], wherein the neonicotinoid compound is imidacloprid or nitenpyram, [4] The pest control method according to [1] or [2], wherein the carbamate compound is BPMC, [5] The method for controlling a drug-resistant pest according to [1] or [2], wherein isoprothiolane is used in a proportion of 0.1 to 400 parts by mass with respect to 1 part by mass of buprofezin. [6] The method for controlling pests according to [3], wherein isoprothiolane is used at a ratio of 0.1 to 1000 parts by mass with respect to 1 part by mass of nitenpyram.
  • [7] The method for controlling pests according to [3] or [4], wherein isoprothiolane is used in a proportion of 0.1 to 400 parts by mass with respect to 1 part by mass of BPMC or imidacloprid.
  • [8] The method for controlling a pest according to any one of [1] to [7], wherein the pest is a planthopper (Nilaparva talegens),
  • [9] The method for controlling pests according to any one of [1] to [8], wherein the plant is paddy rice.
  • the control method and control agent of the present invention can control insecticide-sensitive pests and insecticide-resistant pests that are particularly harmful to paddy rice, fruit trees, tea, etc., and give no phytotoxicity to treated rice, fruit trees, tea, etc. Rice, fruit trees, tea, etc. can be harvested.
  • the main active ingredient used in the control method of the present invention is isoprothiolane, and can be produced, for example, by a known method of JP-A-47-34126.
  • drugs that can be used in combination with isoprothiolane include buprofezin as an IGR agent, and neonicotinoid compounds include imidacloprid, nitenpyram, acetamiprid, thiamethoxam, thiacloprid, clothianidin, dinotefuran, and the like as carbamate compounds.
  • BPMC BPMC
  • MIPC isoprocarb
  • MTMC metalolcarb
  • the synthetic pyrethroid compound is etofenprox, silafluophene, etc.
  • the organophosphorus compound is acephate, chloropyrifos, etc.
  • the phenylpyrazole-based drug include fipronil and pyriprole, and other drugs include pymetrozine and flonicamid.
  • Preferred combinations include isoprothiolane and buprofezin, isoprothiolane and imidacloprid, isoprothiolane and nitenpyram, isoprothiolane and acetamiprid, isoprothiolane and thiamethoxam, isoprothiolane and thiacloprid, isoprothiolane and clothianidin, isoprothiolane and pronotelan, MC And etofenprox, isoprothiolane and silafluophene, isoprothiolane and acephate, isoprothiolane and chloropyrifos, isoprothiolane and fipronil, isoprothiolane and pyriprol, isoprothiolane and pymetrozine, isoprothiolane and flonicamid , Isoprothiolane and buprofezin, isoprothiolane and imidacloprid, a combination of isoprothiolane and nite
  • the treatment method includes, for example, spray treatment or spray treatment (stem and leaf treatment) on leaf surface, stem, trunk, branch, or fruit, seed treatment such as seed dressing, soil treatment, water surface application treatment, seedling box treatment, etc. Is mentioned.
  • control method of the present invention not only treats two active ingredients consisting of isoprothiolane and one or more of the above-mentioned insecticides simultaneously to paddy rice, fruit trees, tea, etc., but also firstly either one of the above active ingredients. It is also included that the plant-containing agent is treated with foliage or applied to the surface, and then the plant is treated with another agent containing the other active ingredient after a considerable period of time, or the plant is treated with foliage or applied to the surface. The equivalent period can be appropriately selected within a range of 1 day to 2 months after the treatment with the drug containing one of the active ingredients.
  • the mixing ratio of isoprothiolane and buprofezin may be appropriately selected from the range of 0.1 to 400 parts by mass of isoprothiolane to 1 part by mass of buprofezin, preferably in the range of 1 to 400.
  • the range of 40 to 40 is more preferable.
  • the blending ratio of isoprothiolane and BPMC or imidacloprid in the control method of the present invention may be appropriately selected from the range of 0.1 to 400 parts by mass of isoprothiolane relative to 1 part by mass of BPMC or imidacloprid.
  • the range is preferable, and the range of 1 to 40 is more preferable.
  • the mixing ratio of isoprothiolane and nitenpyram in the control method of the present invention may be appropriately selected from the range of 0.1 to 1000 parts by mass of isoprothiolane relative to 1 part by mass of nitenpyram, and preferably in the range of 1 to 500. .
  • a liquid preparation such as an emulsion or a flowable preparation or a solid preparation such as a wettable powder or a granular wettable powder is appropriately diluted with water and sprayed and sprayed on the foliage, trunk and branches of the plant, and a powder.
  • the method of spraying and spraying is mentioned.
  • a liquid or solid preparation is diluted or undiluted into a liquid state, the seed is immersed and the drug is infiltrated, the solid preparation or liquid preparation is mixed with the seed, and the powder is mixed.
  • examples thereof include a method of coating and adhering to the surface of the seed, a method of coating with seeds mixed with an adhesive carrier such as resin and polymer, and a method of spraying around the seeds at the time of planting.
  • the “seed” for performing the seed treatment means a plant body at the initial stage of cultivation used for plant propagation, and examples thereof include seeds such as sticky rice.
  • the “soil” or “cultivation carrier” of the plant when carrying out the control method of the present invention refers to a support for cultivating crops, particularly a support for growing roots, and the material is not particularly limited. However, any material that can grow plants may be used, and so-called soil, seedling mats, water, etc. may be used. Specific materials include, for example, sand, pumice, vermiculite, diatomaceous earth, agar, gel-like substances, high It may be a molecular substance, rock wool, glass wool, wood chip, bark or the like.
  • soil treatment for example, a method in which a liquid preparation is diluted or not diluted with water and applied to a plant stock or seedling nursery, etc.
  • Spraying method before sowing or transplanting, spraying powder, wettable powder, granule wettable powder, granule, etc. and mixing with the whole soil, before sowing or planting planting, in planting holes, rowing etc. Examples thereof include a method of spraying powder, wettable powder, wettable powder, granule and the like.
  • the timing of soil treatment may be before seeding, during seeding or after planting, or after planting and before germination or after germination.
  • liquid preparations such as solid preparations such as jumbo agents, pack preparations, granules and granule wettable powders, flowables, and emulsions are usually sprayed on flooded paddy fields.
  • an appropriate formulation can be sprayed and injected into the soil as it is or mixed with fertilizer.
  • it can also be applied labor-saving with the supply of water to the paddy field by treating chemicals such as emulsion and flowable at the source of water flowing into the paddy field such as a water mouth and an irrigation device.
  • the dosage form may vary depending on the time of application such as application during sowing, greening period, application during transplantation, etc., but agents such as powder, granule wettable powder, granules, etc. Apply by mold. It can also be applied by mixing with soil, and it can be mixed with soil and powder, granulated wettable powder or granules, for example, mixed with ground soil, mixed with soil covering, mixed with the entire soil. Simply, the soil and the various preparations may be applied alternately in layers.
  • Plants to be protected by the present invention are not particularly limited.
  • cereals for example, rice (rice), barley, wheat, rye, oats, corn, etc.
  • beans for example, rice (rice), barley, wheat, rye, oats, corn, etc.
  • beans for example, beans (soybeans, red beans, broad beans, peas) Beans, beans, peanuts, etc.
  • fruit trees and fruits tea, apples, citrus fruits, pears, persimmons, peaches, plums, cherry peaches, walnuts, chestnuts, almonds, bananas, etc.
  • leaves and fruit vegetables cabbage, tomatoes, spinach, Broccoli, lettuce, onion, green onions (peanuts, shrimp), peppers, eggplant, strawberries, peppers, pork, leeks, etc.
  • Etc. crops for processing (crab, hemp, beet, hops, sugar cane, sugar beet, olives, rubber, coffee, tobacco, tea, etc.), cucumbers Cha, cucumber, watermelon, mushroom, melon, etc.), pastures (orchard grass, sorghum, timothy, clover, alfalfa, etc.), turf (Korean turf, bentgrass, etc.), fragrance and other crops for viewing (lavender, rosemary, etc.) , Thyme, parsley, pepper, ginger, etc.), flower buds (flowers, roses, carnations, orchids, tulips, lilies, etc.), garden trees (ginkgo, cherry blossoms, aoki, etc.), forest trees (Todomatsu, Ezo pine, pine, Plants such as hiba, cedar, cocoon and eucalyptus) and the like, and rice, tea, apple, citrus, pear, strawberry, peach, plum, cherry peach, walnut, chestnut and
  • the drug-resistant insect pests that can be controlled by the control method of the present invention are Aonidiella aurantii, Icerya purchasi, Aspidiotus destructor, Pseudaulacaspis prunicola, Olive insect scale (Saissetia oleate), citrus scale scale (Andaspis kashicola), citrus scale scale (Coccus pseudomagnoliarum), spot scale scale (Aonidiella citrina), black scale scale (Duplaspidiotus claviger), cus pula (Pseudaulacaspis pentagona), Pulvinaria kuwacola, sugar cane scale (Saccharicoccus sacchari), San Jose scale (Comstockaspis perniciosa), white scale insect (Aspidiotus) hederae), Chacanata scale insects (Lecanium persicae), Chanokurohushi scale insects (Parlatoria theae), Chanomaru scale insects (Ps
  • the preparation is dissolved by mixing the above-mentioned active ingredient in an appropriate ratio together with an appropriate inert carrier and, if necessary, an auxiliary agent according to a conventional method for agricultural chemical preparations. , Suspended, pulverized, mixed, kneaded, impregnated, adsorbed or adhered, etc., depending on the intended use, such as emulsion, milk suspension, powder, granule, wettable powder, flowable, granule What is necessary is just to manufacture in a wettable powder, a tablet, a jumbo agent, or a pack agent.
  • the present invention also relates to an insecticidal composition for controlling pests comprising isoprothiolane and one or more insecticidal compounds selected from the group consisting of buprofezin, neonicotinoid compounds and carbamate compounds. Furthermore, the present invention relates to an effect enhancer against pests containing isopropylthiolane as an active ingredient.
  • the effect-enhancing agent of the present invention can be used as a component of an insecticidal composition or as a single agent in combination with an insecticide.
  • the amount of all active ingredients added in the composition of the present invention may be appropriately selected from the range of 1 to 60 parts by mass, preferably 1 to 30 parts by mass. Further, the blending ratio of isoprothiolane and buprofezin in the composition of the present invention may be appropriately selected from the range of 0.1 to 400 parts by mass of isoprothiolane to 1 part by mass of buprofezin, and preferably in the range of 1 to 400. A range of 1 to 40 is more preferable.
  • the mixing ratio of isoprothiolane and BPMC or imidacloprid in the composition of the present invention may be appropriately selected from the range of 0.1 to 400 parts by mass of isoprothiolane relative to 1 part by mass of BPMC or imidacloprid.
  • the range of 1 to 40 is more preferable.
  • the blending ratio of isoprothiolane and nitenpyram in the composition of the present invention may be suitably selected from the range of 0.1 to 1000 parts by mass of isoprothiolane relative to 1 part by mass of nitenpyram, and preferably in the range of 1 to 500.
  • the inert carrier that can be used in the preparation may be either solid or liquid.
  • materials that can be used as the solid carrier include soybean flour, cereal flour, wood flour, bark flour, saw flour, and tobacco. Stem powder, walnut shell powder, bran, fiber powder, residue after extraction of plant extract, synthetic polymer such as ground synthetic resin, clay (such as kaolin, bentonite, acid clay), talc (such as talc) , Pyrophyllite, etc.), silicas (for example, diatomaceous earth, silica sand, mica, white carbon (some synthetic high-dispersion silicic acid also called hydrous finely divided silicon or hydrous silicic acid, and some products contain calcium silicate as a main component) ⁇ , activated carbon, Sulfur powder, pumice, calcined diatomaceous earth, brick ground, fly ash, sand, inorganic mineral powder such as sodium sulfate or magnesium carbonate, polyethylene, Examples include plastic carriers such as polypropylene and polyvinylidene
  • the material for the liquid carrier may be selected from those having the performance as a solvent itself and those capable of dispersing the active ingredient compound with an auxiliary agent without having such performance.
  • water alcohols (eg, methanol, ethanol, isopropanol, butanol, cyclohexanol, ethylene glycol, diethylene glycol, propylene glycol, hexylene glycol, polyethylene glycol, polypropylene glycol, etc.), ketones (eg, acetone, methyl ethyl ketone, methyl isobutyl ketone) , Diisobutyl ketone, cyclohexanone, gamma-butyrolactone, etc.), ethers (eg, ethyl ether, dioxane, cellosolve, dipropyl ether, tetrahydrofuran, etc.), aliphatic hydrocarbons (eg, kerosene, mineral oil, etc.), aromatic hydrocarbons
  • adjuvants typical adjuvants exemplified below can be mentioned, and these adjuvants are used depending on the purpose, and singly, in some cases, two or more kinds of adjuvants are used together. In some cases it is possible to use no adjuvants at all.
  • a surfactant can be used for the purpose of emulsifying, solubilizing and / or wetting the active ingredient compound.
  • the following exemplified adjuvants can be used, such as casein, gelatin, starch, methylcellulose, carboxymethylcellulose, xanthan gum, gum arabic.
  • Adjuvants such as polyvinyl alcohol, pine oil, coconut oil, bentonite or lignin sulfonate can be used.
  • adjuvants can be used for improving the fluidity of the solid product, and for example, adjuvants such as wax, stearate or alkyl phosphate ester can be used.
  • adjuvants such as wax, stearate or alkyl phosphate ester
  • a peptizer for a suspension product for example, an auxiliary such as naphthalenesulfonic acid condensate or condensed phosphate can be used.
  • an auxiliary agent such as silicone oil
  • silicone oil can be used as the antifoaming agent.
  • preservatives sodium benzoate, potassium sorbate, 1,2-benzisothiazolin-3-one (trade name: Proxel GXL), parachlorometaxylenol or butyl paraoxybenzoate can be added.
  • activity enhancers such as functional spreaders such as terpenes, polyamide resins or higher fatty acid esters of polyoxyethylene / polyoxypropylene, metabolic degradation inhibitors such as piperonyl butoxide, ethylene glycol, diethylene glycol , Antifreezing agents such as glycerin or propylene glycol, antioxidants such as butylhydroxytoluene (BHT) or butylhydroxyanisole (BHA), hydroquinone ultraviolet absorbers, salicylic acid ultraviolet absorbers, benzophenone ultraviolet absorbers, benzotriazole An ultraviolet absorber such as a UV absorber or a cyanoacrylate UV absorber, or other auxiliary agents such as a drift inhibitor such as methylcellulose, polyvinyl alcohol, or sodium polyacrylate can be added.
  • functional spreaders such as terpenes, polyamide resins or higher fatty acid esters of polyoxyethylene / polyoxypropylene
  • metabolic degradation inhibitors such as piperonyl butoxide
  • ethylene glycol
  • the composition in the form of the preparation according to the purpose may be used as it is or diluted with water or the like, and the processing amount is the blending ratio of the active ingredient, the weather conditions, the form of the preparation.
  • the amount of active ingredients per 10 ares is the sum of the above two active ingredients, usually in the range of 1 to 5000 g. , Preferably in the range of 10 to 1000 g.
  • the treatment concentration is a total of the above two active ingredients, and may be treated in the range of 1 to 5000 ppm, preferably in the range of 10 to 1000 ppm.
  • composition of the present invention is stable in the preparation for the purpose of further expansion of the control target pest, control period, or reduction of the dose
  • compositions described in The Pesticide Manual 15th Edition 2009 are available. It can be used in combination with agricultural and horticultural insecticides, agricultural and horticultural acaricides, nematicides, bactericides, biological pesticides, etc., and herbicides and plant growth regulators depending on the situation of use Or it can be mixed with fertilizers.
  • control means, for example, protection of plants from damage caused by agricultural and horticultural pests.
  • Formulation Example 1 Isoprothiolane 12 parts by weight Buprofezin 3 parts by weight hydrous silicic acid 30 parts by weight Hytenol N08 (Daiichi Kogyo Seiyaku Co., Ltd.) 5 parts by weight calcium lignin sulfonate 3 parts by weight clay for wettable powder 47 parts by weight And impregnated with the other components to make a wettable powder.
  • Formulation Example 2 Isoprothiolane 8 parts by weight Buprofezin 2 parts by weight Bentonite and clay mixed powder 85 parts by weight calcium lignin sulfonate 5 parts by weight or more are uniformly mixed, kneaded with an appropriate amount of water, granulated and dried to form granules .
  • Formulation Example 3 Isoprothiolane 16 parts by mass Buprofezin 4 parts by mass Xylene 60 parts by mass N-methylpyrrolidone 10 parts by mass Mixture of polyoxyethylene nonylphenyl ether and calcium alkylbenzenesulfonate 10 parts by mass or more are uniformly mixed and dissolved to prepare an emulsion.
  • Formulation Example 4 Isoprothiolane 2 parts by weight Buprofezin 1 part by weight Clay powder 82 parts by weight Diatomaceous earth powder 15 parts by weight or more are mixed and ground uniformly to obtain a powder.
  • Formulation Example 5 Isoprothiolane 12 parts by weight Imidacloprid 1.5 parts by weight Hydrous silicic acid 30.5 parts by weight Hytenol N08 (Daiichi Kogyo Seiyaku Co., Ltd.) 5 parts by weight lignin sulfonate 3 parts by weight Clay for wettable powder 48 parts by weight Active ingredient After impregnating the compound with hydrous silicic acid, it is uniformly mixed with other components to obtain a wettable powder.
  • Formulation Example 6 Isoprothiolane 8 parts by weight Nitenpyram 2 parts by weight Bentonite and clay mixed powder 85 parts by weight calcium lignin sulfonate 5 parts by weight or more are uniformly mixed, kneaded with an appropriate amount of water, granulated and dried to form granules .
  • Formulation Example 7 Isoprothiolane 16 parts by mass BMPC 20 parts by mass Xylene 44 parts by mass N-methylpyrrolidone 10 parts by mass A mixture of polyoxyethylene nonylphenyl ether and calcium alkylbenzenesulfonate 10 parts by mass or more are uniformly mixed and dissolved to prepare an emulsion.
  • Example 1 Test of insecticidal effect against drug-resistant brown planthopper (Nilaparvata lugens) The larvae that were bred and reared from a population collected in Otsu City, Kumamoto Prefecture in 2012 were used. Rice (variety: Jinnan style) leaf treetops (length: 15 cm) for 30 seconds in a chemical solution (added 0.01% by weight of Myrino) prepared with the chemicals shown in Tables 1 and 2 at a predetermined concentration Immersion treatment. The leaf tops treated with the chemical solution were air-dried and then placed in a test tube (diameter 2.2 ⁇ length 20 cm), and the above-mentioned leafhopper (3rd instar larvae) were released from 6 heads in each group.
  • a chemical solution added 0.01% by weight of Myrino
  • test tube was covered with Japanese paper and allowed to stand in a thermostatic chamber (16 hours light period, 8 hours dark period) at 25 ° C.
  • the number of normal worms was examined after 10 days or 7 days, and the corrected mortality was calculated according to the following formula (two-line system).
  • the test was conducted using a drug sensitive planthopper. The results are shown in Tables 1 and 2.
  • Example 3 Insecticidal test against Pseudaulacaspis pentagona
  • a drug containing the compound shown in Table 3 of the present invention or a comparative compound as an active ingredient is dispersed in water and diluted to a predetermined concentration of the solution.
  • the potato tubers infested with the young larvae were sprayed using a spray gun.
  • the number of surviving insects was examined 28 days after the treatment, and the corrected death rate was calculated and determined in the same manner as in Test Example 2. The results are shown in Table 3.

Abstract

Le problème décrit par l'invention est de fournir une méthode de lutte contre des fulgores contre lesquels la lutte est difficile, qui sont devenus résistants aux insecticides classiques et endommagent le riz paddy, et/ou des fulgores sensibles aux insecticides, en particulier Nilaparvata lugens, ladite méthode de lutte étant sans danger et n'endommageant pas le riz paddy traité avec un agent de lutte. La solution de l'invention concerne une méthode de lutte contre des insectes nuisibles résistants aux agents chimiques et/ou des insectes nuisibles sensibles aux agents chimiques, ladite méthode étant caractérisée en ce qu'elle comprend un traitement des feuilles du riz paddy avec de l'isoprothiolane, lequel est reconnu comme un germicide, et un ou plusieurs types de composés insecticides sélectionnés parmi le buprofézine, l'imidaclopride, le nitenpyrame ou le BPMC, soit en même temps, soit en laissant un intervalle considérable entre le traitement avec un agent chimique et le traitement avec l'autre agent chimique ; et un agent de lutte correspondand.
PCT/JP2015/052348 2014-01-29 2015-01-28 Méthode de lutte contre des insectes nuisibles et agent de lutte WO2015115476A1 (fr)

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JP2014014093 2014-01-29
JP2014-014093 2014-01-29
JP2014112567A JP2017078026A (ja) 2014-01-29 2014-05-30 害虫の防除方法及び防除剤
JP2014-112567 2014-05-30

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