WO2011138968A1 - Method for control of planthoppers - Google Patents
Method for control of planthoppers Download PDFInfo
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- WO2011138968A1 WO2011138968A1 PCT/JP2011/060614 JP2011060614W WO2011138968A1 WO 2011138968 A1 WO2011138968 A1 WO 2011138968A1 JP 2011060614 W JP2011060614 W JP 2011060614W WO 2011138968 A1 WO2011138968 A1 WO 2011138968A1
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- Prior art keywords
- rice
- spirotetramat
- planthopper
- paddy
- water
- Prior art date
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—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 no bond to a nitrogen atom
- A01N47/06—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 no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
Definitions
- the present invention relates to a method for controlling planthoppers.
- the present invention is as follows.
- a method for controlling planthoppers which comprises a step of directly applying an effective amount of spirotetramat to rice paddy fields where rice is growing.
- the control method according to [1], wherein the amount of spirotetramat applied to the rice paddy per 1000 m 2 of paddy rice growing rice is 10 to 500 g.
- the control method according to [1] or [2], wherein the application time of spirotetramat is 5th leaf stage to 30 days after heading at the growth stage of rice growing in paddy fields.
- the pest control method according to any one of [1] to [3], wherein the depth of rice water at the time of application is 2 cm or more.
- the method for controlling planthoppers of the present invention comprises a step of applying an effective amount of spirotetramat to the water of rice fields where rice is growing, that is, the rice water.
- Spirotetramat is, for example, the compound described in Example No. I-1-c-4 in JP 2000-516918 A, and can be produced by the method described in the publication.
- the rice field in which rice is growing refers to a rice cultivation area where rice is sown or transplanted and is in a flooded state.
- the effective amount of spirotetramat is substantially directly applied to the rice field of the rice field where rice is grown.
- Spirotetramat is formulated into a mixture of spirotetramat and an inert carrier such as a solid carrier and a liquid carrier, and if necessary, other formulation adjuvants are added to the emulsion, water
- an inert carrier such as a solid carrier and a liquid carrier
- other formulation adjuvants are added to the emulsion, water
- the dosage form include a flowable agent such as a powder, a wettable powder, a suspension in water, an emulsion in water, a powder, a granule, a jumbo agent, an oil, and a microcapsule.
- natural or synthetic materials such as clay, kaolin, talc, bentonite, sericite, quartz, sulfur, activated carbon, calcium carbonate, diatomaceous earth, pumice, calcite, marine stone, dolomite, silica, alumina, vermiculite, pearlite, etc.
- Minerals, sawdust, corn cobs, coconut husks, fine granules such as tobacco stems, gelatin, petrolatum, methylcellulose, lanolin, lard and the like.
- Liquid carriers include aromatic or aliphatic hydrocarbons such as xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, light oil, hexane, cyclohexane, and liquid paraffin, and halogenated hydrocarbons such as chlorobenzene, dichloroethane, dichloromethane, and trichloroethane.
- aromatic or aliphatic hydrocarbons such as xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, light oil, hexane, cyclohexane, and liquid paraffin
- halogenated hydrocarbons such as chlorobenzene, dichloroethane, dichloromethane, and trichloroethane.
- Alcohol such as methanol, ethanol, isopropyl alcohol, butanol, hexanol, benzyl alcohol, ethylene glycol, diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, 1,4-dioxane, etc.
- esters such as ethyl acetate and butyl acetate, acetone and methyl ethyl Tones, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, etc., nitriles such as acetonitrile, isobutyronitrile, alkylene carbonates such as propylene carbonate, sulfoxides such as dimethyl sulfoxide, N, N-dimethylformamide, N, N-dimethylacetamide, etc.
- Acid amide such as N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone and N-octyl-2-pyrrolidone, imidazolidine such as 1,3-dimethyl-2-imidazolidine, soybean oil and cottonseed oil And vegetable essential oils such as orange oil, hyssop oil and lemon oil, and water.
- formulation adjuvants include casein, gelatin, saccharides (starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, synthetic water-soluble polymers (polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acids, etc.), PAP (Isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2-tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol) , Vegetable oil, mineral oil, surfactant, fatty acid, fatty acid ester and the like.
- the surfactant examples include alkyl sulfate ester salts, alkyl sulfonate salts, alkyl aryl sulfonate salts, alkyl aryl ethers and polyoxyethylene compounds thereof, polyethylene glycol ethers, polyethylene glycol fatty acid esters, polyhydric alcohol esters, sugar alcohol derivatives. And silicone surfactants.
- the content of spirotetramat in a preparation containing spirotetramat (hereinafter referred to as “the amount of the active ingredient”) is usually 0.01 to 90% by weight, preferably 0.1 to 80% by weight, more preferably Is in the range of 0.2 to 60% by weight.
- the amount of the active ingredient When formulated into an emulsion or wettable powder (eg, granular wettable powder), the amount of the active ingredient is usually 1 to 90% by weight, preferably 1 to 80% by weight, more preferably 5 to 60% by weight. is there. When formulated into oils or powders, the amount of the active ingredient is usually 0.01 to 90% by weight, preferably 0.1 to 50% by weight, more preferably 0.1 to 20% by weight, and still more preferably 0.2%. It is in the range of ⁇ 20% by weight. When formulated into granules, the amount of the active ingredient is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 20% by weight.
- the content of the inert carrier in the preparation containing spirotetramat is usually 10 to 99.99% by weight, preferably 40 to 99.8% by weight, and the surfactant content is usually 1 to 9% by weight. It is in the range of 20% by weight, preferably 1 to 15% by weight.
- the emulsion When formulated into an emulsion containing spirotetramat, the emulsion usually contains 9 to 90% by weight of an organic solvent and usually contains 1 to 20% by weight, preferably 1 to 10% by weight of a surfactant. To do.
- a flowable agent such as an aqueous suspension or emulsion containing spirotetramat, the flowable agent is, for example, a suspension aid so that the amount of this active ingredient is 1 to 75% by weight.
- an agent for example, a protective colloid or a substance capable of imparting thixotropy
- an auxiliary agent for example, an antifoaming agent, a rust inhibitor, a stabilizer, a spreading agent, a penetration aid, an antifreezing agent, Preservatives, antifungal agents, etc.
- an agent for example, a protective colloid or a substance capable of imparting thixotropy
- an auxiliary agent for example, an antifoaming agent, a rust inhibitor, a stabilizer, a spreading agent, a penetration aid, an antifreezing agent, Preservatives, antifungal agents, etc.
- other insecticides and fungicides can be used in combination or in combination with the preparation containing spirotetramat.
- planthoppers include brown planthopper (Nilaparvata lugens), white-spotted planthopper (Sogellaella furcifera), and green planthopper (Laodelphax straellatus).
- brown planthopper Naparvata lugens
- white-spotted planthopper Sogellaella furcifera
- green planthopper Laodelphax straellatus
- the planthopper when the planthopper is generated in the rice field where rice is growing, the planthopper can be controlled by applying spirotetramat directly to the rice field of the rice field.
- the paddy field where rice grows by applying spirotetramat directly to the paddy water in advance when the occurrence of the planthopper is predicted even if the plant is not occurring in the paddy field where rice is growing. The occurrence of planthoppers can be suppressed.
- the time when spirotetramat is directly applied to the paddy field of the rice field where rice is growing is particularly limited as long as the rice is grown after seeding or transplanting into the paddy field. However, it is usually between the third leaf stage of the main leaf and 40 days after heading, and preferably between the fifth leaf stage of the main leaf and 30 days after heading.
- the amount of spirotetramat applied to the rice field of the paddy field where rice is grown can be changed depending on the type and degree of occurrence of the planthoppers to be controlled, the formulation form, weather conditions, etc.
- the amount is usually 1 to 500 g, preferably 10 to 500 g, more preferably 10 to 200 g, still more preferably 30 to 150 g per 1000 m 2 of rice paddy where rice is grown.
- the paddy field where rice is usually grown without any dilution so as to be the amount of the active ingredient described above.
- Emulsions, wettable powders, granular wettable powders, flowable powders, etc. may be applied directly to the rice paddy field where rice is grown, but with water to achieve the above-mentioned effective ingredient amount. It may be diluted and applied directly to paddy water.
- Submersed application includes direct application to the water surface of paddy water or application to inflow water during irrigation of paddy fields. Is mentioned.
- the depth is not particularly limited as long as the rice field where the rice is grown is submerged.
- the depth of (also referred to as) is preferably 2 cm or more, more preferably 2 to 6 cm, and still more preferably 2 to 5 cm.
- rice varieties growing in paddy fields are not particularly limited. Moreover, what gave herbicide tolerance, pest tolerance, or environmental stress tolerance by the classic breeding method or gene recombination may be used.
- formulation examples containing spirotetramat are shown.
- Formulation Example 1 After 1 part of spirotetramat, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and 66 parts of kaolin clay are mixed and mixed well with water. Granules are obtained by granulating and drying.
- Formulation Example 2 20 parts of spirotetramat is added to a mixture of 5 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 16 parts of synthetic silicon hydroxide fine powder and 57 parts of diatomaceous earth and mixed well to obtain a wettable powder.
- Formulation Example 3 (Flowable) Mix 5 parts of polyoxyethylene styryl phenyl ether sulfate salt, 20 parts of 1% xanthan gum aqueous solution, 3 parts of smectite mineral and 62 parts of water, add 10 parts of spirotetramat and stir well, then wet mill in a sand mill To obtain a flowable agent.
- Formulation Example 4 (Emulsion) 1 part of spirotetramat is added to 93.4 parts of acetone (manufactured by Wako Pure Chemical Industries, Ltd.) containing 5.6 parts of Sorgen TW-20 (manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) and dissolved well to obtain an emulsion. Next, test examples are shown. Test example 1 98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution. Rice (Oryza sativa, cultivar: Hoshi no Yume) was planted in 1 / 5000a Wagner pot and cultivated until the fifth leaf stage of the main leaf. .
- This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat.
- the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by the formula 1). The number of test repetitions was 3. The average value is shown in Table 1.
- the respective application rates correspond to 60 g and 120 g per 1000 m 2 as spirotetramat amounts.
- the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the tested larvae were observed 7 days after release. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The repetition of the test was 3 for the spirotetramat treatment group and 2 for the treatment group. The average value is shown in Table 2.
- Test example 3 98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution.
- Rice (Oryza sativa, cultivar: Hoshi no Yume) is planted in 1 / 5000a Wagner pot and cultivated until the 6th leaf stage of the main leaf, and the water depth is set to 0.5 cm or 2 cm, and then 10 ml of the test drug solution is added. Applied to each water surface. This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat. Two days later, the rice was covered with nylon goose, and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 5 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3.
- Test example 4 A test chemical solution in which 99.4 g of water was added to 0.6 g of the emulsion obtained by the method described in Formulation Example 4 and stirred, and a test chemical solution in which 98.8 g of water was added to 1.2 g of the emulsion and stirred, and emulsion 2 Each test liquid was prepared by adding 97.6 g of water to 0.4 g and stirring.
- Rice Oryza sativa, cultivar: Hoshino Yume
- the respective application rates correspond to 30 g, 60 g and 120 g per 1000 m 2 as the amount of spirotetramat.
- the rice was covered with nylon goose, and 10 third-instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3. The average value is shown in Table 4.
- planthoppers can be controlled in paddy fields where rice is growing.
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Abstract
A method for controlling planthoppers, which comprises a step of directly applying an effective amount of spirotetramat to a rice paddy in which a rice plant is growing.
Description
本発明は、ウンカ類の防除方法に関する。
The present invention relates to a method for controlling planthoppers.
イネが生育している水田におけるウンカ類の発生は米の収量に影響を及ぼすので、ウンカ類を効率よく防除する方法が求められている。
Since the occurrence of planthoppers in rice fields where rice grows affects the yield of rice, a method for efficiently controlling planthoppers is required.
本発明は以下のものである。
［１］ スピロテトラマトの有効量を、イネが生育している水田の田水に直接施用する工程を有するウンカ類の防除方法。
［２］ イネが生育している水田１０００ｍ２あたりのスピロテトラマトの田水への施用量が、１０~５００ｇである［１］記載の防除方法。
［３］ スピロテトラマトの施用時期が、水田に生育しているイネの生育ステージで本葉５葉期~出穂３０日後である［１］又は［２］記載の防除方法。
［４］ 施用時の田水の深さが、２ｃｍ以上である［１］~［３］いずれか一項記載の防除方法。
［５］ ウンカ類が、トビイロウンカ、セジロウンカ及びヒメトビウンカからなる群より選択される害虫である［１］~［４］いずれか一項記載の防除方法。
［６］ ウンカ類が、トビイロウンカ、セジロウンカまたはヒメトビウンカである［１］~［５］いずれか一項記載の防除方法。
本発明により、イネが生育している水田においてウンカ類を防除することができる。 The present invention is as follows.
[1] A method for controlling planthoppers, which comprises a step of directly applying an effective amount of spirotetramat to rice paddy fields where rice is growing.
[2] The control method according to [1], wherein the amount of spirotetramat applied to the rice paddy per 1000 m 2 of paddy rice growing rice is 10 to 500 g.
[3] The control method according to [1] or [2], wherein the application time of spirotetramat is 5th leaf stage to 30 days after heading at the growth stage of rice growing in paddy fields.
[4] The pest control method according to any one of [1] to [3], wherein the depth of rice water at the time of application is 2 cm or more.
[5] The pest control method according to any one of [1] to [4], wherein the planthopper is a pest selected from the group consisting of a planthopper, a green planter, and a planter.
[6] The pest control method according to any one of [1] to [5], wherein the planthopper is a planthopper, a white-spotted planthopper, or a planthopper.
According to the present invention, planthoppers can be controlled in paddy fields where rice is growing.
［１］ スピロテトラマトの有効量を、イネが生育している水田の田水に直接施用する工程を有するウンカ類の防除方法。
［２］ イネが生育している水田１０００ｍ２あたりのスピロテトラマトの田水への施用量が、１０~５００ｇである［１］記載の防除方法。
［３］ スピロテトラマトの施用時期が、水田に生育しているイネの生育ステージで本葉５葉期~出穂３０日後である［１］又は［２］記載の防除方法。
［４］ 施用時の田水の深さが、２ｃｍ以上である［１］~［３］いずれか一項記載の防除方法。
［５］ ウンカ類が、トビイロウンカ、セジロウンカ及びヒメトビウンカからなる群より選択される害虫である［１］~［４］いずれか一項記載の防除方法。
［６］ ウンカ類が、トビイロウンカ、セジロウンカまたはヒメトビウンカである［１］~［５］いずれか一項記載の防除方法。
本発明により、イネが生育している水田においてウンカ類を防除することができる。 The present invention is as follows.
[1] A method for controlling planthoppers, which comprises a step of directly applying an effective amount of spirotetramat to rice paddy fields where rice is growing.
[2] The control method according to [1], wherein the amount of spirotetramat applied to the rice paddy per 1000 m 2 of paddy rice growing rice is 10 to 500 g.
[3] The control method according to [1] or [2], wherein the application time of spirotetramat is 5th leaf stage to 30 days after heading at the growth stage of rice growing in paddy fields.
[4] The pest control method according to any one of [1] to [3], wherein the depth of rice water at the time of application is 2 cm or more.
[5] The pest control method according to any one of [1] to [4], wherein the planthopper is a pest selected from the group consisting of a planthopper, a green planter, and a planter.
[6] The pest control method according to any one of [1] to [5], wherein the planthopper is a planthopper, a white-spotted planthopper, or a planthopper.
According to the present invention, planthoppers can be controlled in paddy fields where rice is growing.
本発明のウンカ類の防除方法は、スピロテトラマトの有効量を、イネが生育している水田の水中、すなわち田水中に施用する工程を有する。
スピロテトラマトとは、例えば特表２０００−５１６９１８号公報に実施例番号Ｉ−１−ｃ−４に記載される化合物であり、該公報に記載される方法で製造することができる。
本発明において、イネが生育している水田とは、イネが播種又は移植され、湛水状態にあるイネの栽培地をいう。
本発明において、イネが生育している水田の田水へのスピロテトラマトの直接施用の形態としては、実質的にスピロテトラマトの有効量が、イネが生育している水田の田水に直接施用されていれば特に限定されるものではないが、通常はスピロテトラマトが製剤化された形態でイネが生育している水田の田水へ直接施用される。
スピロテトラマトが製剤化された形態としては、スピロテトラマトと、固体担体及び液体担体等の不活性担体とを混合し、必要に応じてその他の製剤用補助剤を添加して、乳剤、水和剤、顆粒水和剤、水中懸濁剤・水中乳濁剤等のフロアブル剤、粉剤、粒剤、ジャンボ剤、油剤、マイクロカプセル剤等の製剤形態が挙げられる。
固体担体としては、クレー・カオリン・タルク・ベントナイト・セリサイト・石英・硫黄・活性炭・炭酸カルシウム・珪藻土・軽石・方解石・海泡石・白雲石・シリカ・アルミナ・バーミキュライト・パーライト等の天然または合成鉱物、おがくず・トウモロコシの穂軸・ココヤシの実殻・タバコの茎等の細粒体、ゼラチン、ワセリン、メチルセルロース、ラノリン、及びラード等が挙げられる。
液体担体としては、キシレン・トルエン・アルキルナフタレン・フェニルキシリルエタン・灯油・軽油・ヘキサン・シクロヘキサン・流動パラフィン等の芳香族または脂肪族炭化水素、クロロベンゼン・ジクロロエタン・ジクロロメタン・トリクロロエタン等のハロゲン化炭化水素、メタノール・エタノール・イソプロピルアルコール・ブタノール・ヘキサノール・ベンジルアルコール・エチレングリコール等のアルコール、ジエチルエーテル・エチレングリコールジメチルエーテル・ジエチレングリコールモノメチルエーテル・ジエチレングリコールモノエチルエーテル・プロピレングリコールモノメチルエーテル・テトラヒドロフラン・１，４−ジオキサン等のエーテル、酢酸エチル・酢酸ブチル等のエステル、アセトン・メチルエチルケトン・メチルエチルケトン・メチルイソブチルケトン・シクロヘキサノン等のケトン、アセトニトリル・イソブチロニトリル等のニトリル、炭酸プロピレン等の炭酸アルキレン、ジメチルスルホキシド等のスルホキシド、Ｎ，Ｎ−ジメチルホルムアミド・Ｎ，Ｎ−ジメチルアセトアミド等の酸アミド、Ｎ−メチル−２−ピロリドン、Ｎ−エチル−２−ピロリドン・Ｎ−オクチル−２−ピロリドン等のピロリドン、１，３−ジメチル−２−イミダゾリジン等のイミダゾリジン、大豆油・綿実油等の植物油、オレンジ油・ヒソップ油・レモン油等の植物精油、及び水が挙げられる。
その他の製剤用補助剤としては、カゼイン、ゼラチン、糖類（澱粉、アラビアガム、セルロース誘導体、アルギン酸等）、リグニン誘導体、ベントナイト、合成水溶性高分子（ポリビニルアルコール、ポリビニルピロリドン、ポリアクリル酸類等）、ＰＡＰ（酸性リン酸イソプロピル）、ＢＨＴ（２，６−ジ−ｔｅｒｔ−ブチル−４−メチルフェノール）、ＢＨＡ（２−ｔｅｒｔ−ブチル−４−メトキシフェノール及び３−ｔｅｒｔ−ブチル−４−メトキシフェノール）、植物油、鉱物油、界面活性剤、脂肪酸、脂肪酸エステル等が挙げられる。
上記界面活性剤としては、アルキル硫酸エステル塩、アルキルスルホン酸塩、アルキルアリールスルホン酸塩、アルキルアリールエーテル及びそのポリオキシエチレン化合物、ポリエチレングリコールエーテル、ポリエチレングリコール脂肪酸エステル、多価アルコールエステル、糖アルコール誘導体、シリコーン系界面活性剤等が挙げられる。
スピロテトラマトを含有する製剤におけるスピロテトラマトの含有量（以下、「本有効成分量」と称する。）は、通常０．０１~９０重量％、好ましくは０．１~８０重量％、さらに好ましくは０．２~６０重量％の範囲である。乳剤または水和剤（例えば、顆粒水和剤）に製剤する場合、本有効成分量は、通常１~９０重量％、好ましくは１~８０重量％、さらに好ましくは５~６０重量％の範囲である。油剤や粉剤に製剤する場合、本有効成分量は、通常０．０１~９０重量％、好ましくは０．１~５０重量％、より好ましくは０．１~２０重量％、さらに好ましくは０．２~２０重量％の範囲である。粒剤に製剤する場合、本有効成分量は、通常０．１~５０重量％、好ましくは０．２~３０重量％、さらに好ましくは０．２~２０重量％の範囲である。
スピロテトラマトを含有する製剤における不活性担体の含有量は、通常１０~９９．９９重量％、好ましくは４０~９９．８重量％の範囲であり、界面活性剤の含有量は、通常１~２０重量％、好ましくは１~１５重量％の範囲である。スピロテトラマトを含有する乳剤に製剤する場合には、その乳剤は、有機溶剤を通常９~９０重量％を含有し、界面活性剤を通常１~２０重量％、好ましくは１~１０重量％含有する。スピロテトラマトを含有する水中懸濁剤・水中乳濁剤等のフロアブル剤に製剤する場合は、そのフロアブル剤は、例えば、本有効成分量が１~７５重量％となるように、懸濁補助剤（例えば保護コロイドやチクソトロピー性を付与しうる物質）を０．５~１５重量％、補助剤（例えば消泡剤、防錆剤、安定剤、展着剤、浸透助剤、凍結防止剤、防腐剤、防黴剤等）約０~１０重量％含む水中で、微小に分散させることにより得ることができる。
本発明において、スピロテトラマトを含有する製剤には、さらに他の殺虫剤、殺菌剤を混用または併用することもできる。
本発明において、ウンカ類としては、トビイロウンカ（Ｎｉｌａｐａｒｖａｔａ ｌｕｇｅｎｓ）、セジロウンカ（Ｓｏｇａｔｅｌｌａ ｆｕｒｃｉｆｅｒａ）及びヒメトビウンカ（Ｌａｏｄｅｌｐｈａｘ ｓｔｒｉａｔｅｌｌｕｓ）等が挙げられる。
本発明の防除方法によれば、イネが生育している水田にウンカ類が発生している場合にスピロテトラマトを該水田の田水に直接施用することによりウンカ類を防除することができる。また、イネが生育している水田にウンカ類が発生していなくともウンカ類の発生が予測される場合に予めスピロテトラマトを田水に直接施用することにより、イネが生育している水田におけるウンカ類の発生を抑制することができる。
本発明の防除方法において、イネが生育している水田の田水へスピロテトラマトを直接施用する時期は、イネを水田に播種あるいは移植した後のイネの生育している間であれば特に限定されるものではないが、通常は本葉３葉期~出穂４０日後の間、好ましくは本葉５葉期~出穂３０日後の間である。
本発明の防除方法において、イネが生育している水田の田水へのスピロテトラマトの施用量は、防除対象であるウンカ類の種類や発生程度、製剤形態、気象条件等によって変化させ得るが、イネの生育している水田１０００ｍ２あたり、通常１~５００ｇ、好ましくは１０~５００ｇ、より好ましくは１０~２００ｇ、更に好ましくは３０~１５０ｇである。
本発明の防除方法において、スピロテトラマトは、粒剤、粉剤、油剤等である場合、通常、上記の本有効成分量となるように何ら希釈することなくそのままイネが生育している水田の田水へ直接施用すればよい。また、乳剤、水和剤、顆粒水和剤、フロアブル剤等は、そのままイネの生育している水田の田水へ直接施用しても良いが、上記の本有効成分量となるように水で希釈して田水へ直接施用してもよい。
スピロテトラマトを田水へ直接施用する方法として、水面施用（ｓｕｂｍｅｒｇｅｄ ａｐｐｌｉｃａｔｉｏｎ）等が挙げられ、ｓｕｂｍｅｒｇｅｄ ａｐｐｌｉｃａｔｉｏｎとしては、田水の水面への直接施用や、水田への潅水時における流入水への施用が挙げられる。
本発明において、スピロテトラマトをイネが生育している水田の田水へ直接施用する際、イネの生育する水田が湛水されていればその深さは特に限定されないが、湛水（田水ともいう）の深さは２ｃｍ以上であることが好ましく、より好ましくは２~６ｃｍ、さらに好ましくは２~５ｃｍである。
本発明の防除方法において水田で生育しているイネの品種はとくに限定されない。また、古典的な育種法や遺伝子組み換えによって、除草剤耐性、有害生物への耐性あるいは環境ストレス耐性を付与したものでもよい。 The method for controlling planthoppers of the present invention comprises a step of applying an effective amount of spirotetramat to the water of rice fields where rice is growing, that is, the rice water.
Spirotetramat is, for example, the compound described in Example No. I-1-c-4 in JP 2000-516918 A, and can be produced by the method described in the publication.
In the present invention, the rice field in which rice is growing refers to a rice cultivation area where rice is sown or transplanted and is in a flooded state.
In the present invention, as a form of direct application of spirotetramat to the rice field of the rice field where rice is grown, the effective amount of spirotetramat is substantially directly applied to the rice field of the rice field where rice is grown. Although not particularly limited as long as it is applied, it is usually applied directly to paddy rice field where rice is grown in a form in which spirotetramat is formulated.
Spirotetramat is formulated into a mixture of spirotetramat and an inert carrier such as a solid carrier and a liquid carrier, and if necessary, other formulation adjuvants are added to the emulsion, water, Examples of the dosage form include a flowable agent such as a powder, a wettable powder, a suspension in water, an emulsion in water, a powder, a granule, a jumbo agent, an oil, and a microcapsule.
As solid support, natural or synthetic materials such as clay, kaolin, talc, bentonite, sericite, quartz, sulfur, activated carbon, calcium carbonate, diatomaceous earth, pumice, calcite, marine stone, dolomite, silica, alumina, vermiculite, pearlite, etc. Minerals, sawdust, corn cobs, coconut husks, fine granules such as tobacco stems, gelatin, petrolatum, methylcellulose, lanolin, lard and the like.
Liquid carriers include aromatic or aliphatic hydrocarbons such as xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, light oil, hexane, cyclohexane, and liquid paraffin, and halogenated hydrocarbons such as chlorobenzene, dichloroethane, dichloromethane, and trichloroethane. , Alcohol such as methanol, ethanol, isopropyl alcohol, butanol, hexanol, benzyl alcohol, ethylene glycol, diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, 1,4-dioxane, etc. Ethers, esters such as ethyl acetate and butyl acetate, acetone and methyl ethyl Tones, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, etc., nitriles such as acetonitrile, isobutyronitrile, alkylene carbonates such as propylene carbonate, sulfoxides such as dimethyl sulfoxide, N, N-dimethylformamide, N, N-dimethylacetamide, etc. Acid amide, pyrrolidone such as N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone and N-octyl-2-pyrrolidone, imidazolidine such as 1,3-dimethyl-2-imidazolidine, soybean oil and cottonseed oil And vegetable essential oils such as orange oil, hyssop oil and lemon oil, and water.
Other formulation adjuvants include casein, gelatin, saccharides (starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, synthetic water-soluble polymers (polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acids, etc.), PAP (Isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2-tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol) , Vegetable oil, mineral oil, surfactant, fatty acid, fatty acid ester and the like.
Examples of the surfactant include alkyl sulfate ester salts, alkyl sulfonate salts, alkyl aryl sulfonate salts, alkyl aryl ethers and polyoxyethylene compounds thereof, polyethylene glycol ethers, polyethylene glycol fatty acid esters, polyhydric alcohol esters, sugar alcohol derivatives. And silicone surfactants.
The content of spirotetramat in a preparation containing spirotetramat (hereinafter referred to as “the amount of the active ingredient”) is usually 0.01 to 90% by weight, preferably 0.1 to 80% by weight, more preferably Is in the range of 0.2 to 60% by weight. When formulated into an emulsion or wettable powder (eg, granular wettable powder), the amount of the active ingredient is usually 1 to 90% by weight, preferably 1 to 80% by weight, more preferably 5 to 60% by weight. is there. When formulated into oils or powders, the amount of the active ingredient is usually 0.01 to 90% by weight, preferably 0.1 to 50% by weight, more preferably 0.1 to 20% by weight, and still more preferably 0.2%. It is in the range of ~ 20% by weight. When formulated into granules, the amount of the active ingredient is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 20% by weight.
The content of the inert carrier in the preparation containing spirotetramat is usually 10 to 99.99% by weight, preferably 40 to 99.8% by weight, and the surfactant content is usually 1 to 9% by weight. It is in the range of 20% by weight, preferably 1 to 15% by weight. When formulated into an emulsion containing spirotetramat, the emulsion usually contains 9 to 90% by weight of an organic solvent and usually contains 1 to 20% by weight, preferably 1 to 10% by weight of a surfactant. To do. When formulating into a flowable agent such as an aqueous suspension or emulsion containing spirotetramat, the flowable agent is, for example, a suspension aid so that the amount of this active ingredient is 1 to 75% by weight. 0.5 to 15% by weight of an agent (for example, a protective colloid or a substance capable of imparting thixotropy), an auxiliary agent (for example, an antifoaming agent, a rust inhibitor, a stabilizer, a spreading agent, a penetration aid, an antifreezing agent, Preservatives, antifungal agents, etc.) can be obtained by finely dispersing in water containing about 0 to 10% by weight.
In the present invention, other insecticides and fungicides can be used in combination or in combination with the preparation containing spirotetramat.
In the present invention, planthoppers include brown planthopper (Nilaparvata lugens), white-spotted planthopper (Sogellaella furcifera), and green planthopper (Laodelphax straellatus).
According to the control method of the present invention, when the planthopper is generated in the rice field where rice is growing, the planthopper can be controlled by applying spirotetramat directly to the rice field of the rice field. In addition, in the paddy field where rice grows by applying spirotetramat directly to the paddy water in advance when the occurrence of the planthopper is predicted even if the plant is not occurring in the paddy field where rice is growing. The occurrence of planthoppers can be suppressed.
In the control method of the present invention, the time when spirotetramat is directly applied to the paddy field of the rice field where rice is growing is particularly limited as long as the rice is grown after seeding or transplanting into the paddy field. However, it is usually between the third leaf stage of the main leaf and 40 days after heading, and preferably between the fifth leaf stage of the main leaf and 30 days after heading.
In the control method of the present invention, the amount of spirotetramat applied to the rice field of the paddy field where rice is grown can be changed depending on the type and degree of occurrence of the planthoppers to be controlled, the formulation form, weather conditions, etc. The amount is usually 1 to 500 g, preferably 10 to 500 g, more preferably 10 to 200 g, still more preferably 30 to 150 g per 1000 m 2 of rice paddy where rice is grown.
In the control method of the present invention, when spirotetramat is a granule, powder, oil, etc., the paddy field where rice is usually grown without any dilution so as to be the amount of the active ingredient described above. Apply directly to water. Emulsions, wettable powders, granular wettable powders, flowable powders, etc. may be applied directly to the rice paddy field where rice is grown, but with water to achieve the above-mentioned effective ingredient amount. It may be diluted and applied directly to paddy water.
As a method of directly applying spirotetramat to the rice field, there is a submerged application. Submersed application includes direct application to the water surface of paddy water or application to inflow water during irrigation of paddy fields. Is mentioned.
In the present invention, when spirotetramat is directly applied to the rice paddy field where rice is grown, the depth is not particularly limited as long as the rice field where the rice is grown is submerged. The depth of (also referred to as) is preferably 2 cm or more, more preferably 2 to 6 cm, and still more preferably 2 to 5 cm.
In the control method of the present invention, rice varieties growing in paddy fields are not particularly limited. Moreover, what gave herbicide tolerance, pest tolerance, or environmental stress tolerance by the classic breeding method or gene recombination may be used.
スピロテトラマトとは、例えば特表２０００−５１６９１８号公報に実施例番号Ｉ−１−ｃ−４に記載される化合物であり、該公報に記載される方法で製造することができる。
本発明において、イネが生育している水田とは、イネが播種又は移植され、湛水状態にあるイネの栽培地をいう。
本発明において、イネが生育している水田の田水へのスピロテトラマトの直接施用の形態としては、実質的にスピロテトラマトの有効量が、イネが生育している水田の田水に直接施用されていれば特に限定されるものではないが、通常はスピロテトラマトが製剤化された形態でイネが生育している水田の田水へ直接施用される。
スピロテトラマトが製剤化された形態としては、スピロテトラマトと、固体担体及び液体担体等の不活性担体とを混合し、必要に応じてその他の製剤用補助剤を添加して、乳剤、水和剤、顆粒水和剤、水中懸濁剤・水中乳濁剤等のフロアブル剤、粉剤、粒剤、ジャンボ剤、油剤、マイクロカプセル剤等の製剤形態が挙げられる。
固体担体としては、クレー・カオリン・タルク・ベントナイト・セリサイト・石英・硫黄・活性炭・炭酸カルシウム・珪藻土・軽石・方解石・海泡石・白雲石・シリカ・アルミナ・バーミキュライト・パーライト等の天然または合成鉱物、おがくず・トウモロコシの穂軸・ココヤシの実殻・タバコの茎等の細粒体、ゼラチン、ワセリン、メチルセルロース、ラノリン、及びラード等が挙げられる。
液体担体としては、キシレン・トルエン・アルキルナフタレン・フェニルキシリルエタン・灯油・軽油・ヘキサン・シクロヘキサン・流動パラフィン等の芳香族または脂肪族炭化水素、クロロベンゼン・ジクロロエタン・ジクロロメタン・トリクロロエタン等のハロゲン化炭化水素、メタノール・エタノール・イソプロピルアルコール・ブタノール・ヘキサノール・ベンジルアルコール・エチレングリコール等のアルコール、ジエチルエーテル・エチレングリコールジメチルエーテル・ジエチレングリコールモノメチルエーテル・ジエチレングリコールモノエチルエーテル・プロピレングリコールモノメチルエーテル・テトラヒドロフラン・１，４−ジオキサン等のエーテル、酢酸エチル・酢酸ブチル等のエステル、アセトン・メチルエチルケトン・メチルエチルケトン・メチルイソブチルケトン・シクロヘキサノン等のケトン、アセトニトリル・イソブチロニトリル等のニトリル、炭酸プロピレン等の炭酸アルキレン、ジメチルスルホキシド等のスルホキシド、Ｎ，Ｎ−ジメチルホルムアミド・Ｎ，Ｎ−ジメチルアセトアミド等の酸アミド、Ｎ−メチル−２−ピロリドン、Ｎ−エチル−２−ピロリドン・Ｎ−オクチル−２−ピロリドン等のピロリドン、１，３−ジメチル−２−イミダゾリジン等のイミダゾリジン、大豆油・綿実油等の植物油、オレンジ油・ヒソップ油・レモン油等の植物精油、及び水が挙げられる。
その他の製剤用補助剤としては、カゼイン、ゼラチン、糖類（澱粉、アラビアガム、セルロース誘導体、アルギン酸等）、リグニン誘導体、ベントナイト、合成水溶性高分子（ポリビニルアルコール、ポリビニルピロリドン、ポリアクリル酸類等）、ＰＡＰ（酸性リン酸イソプロピル）、ＢＨＴ（２，６−ジ−ｔｅｒｔ−ブチル−４−メチルフェノール）、ＢＨＡ（２−ｔｅｒｔ−ブチル−４−メトキシフェノール及び３−ｔｅｒｔ−ブチル−４−メトキシフェノール）、植物油、鉱物油、界面活性剤、脂肪酸、脂肪酸エステル等が挙げられる。
上記界面活性剤としては、アルキル硫酸エステル塩、アルキルスルホン酸塩、アルキルアリールスルホン酸塩、アルキルアリールエーテル及びそのポリオキシエチレン化合物、ポリエチレングリコールエーテル、ポリエチレングリコール脂肪酸エステル、多価アルコールエステル、糖アルコール誘導体、シリコーン系界面活性剤等が挙げられる。
スピロテトラマトを含有する製剤におけるスピロテトラマトの含有量（以下、「本有効成分量」と称する。）は、通常０．０１~９０重量％、好ましくは０．１~８０重量％、さらに好ましくは０．２~６０重量％の範囲である。乳剤または水和剤（例えば、顆粒水和剤）に製剤する場合、本有効成分量は、通常１~９０重量％、好ましくは１~８０重量％、さらに好ましくは５~６０重量％の範囲である。油剤や粉剤に製剤する場合、本有効成分量は、通常０．０１~９０重量％、好ましくは０．１~５０重量％、より好ましくは０．１~２０重量％、さらに好ましくは０．２~２０重量％の範囲である。粒剤に製剤する場合、本有効成分量は、通常０．１~５０重量％、好ましくは０．２~３０重量％、さらに好ましくは０．２~２０重量％の範囲である。
スピロテトラマトを含有する製剤における不活性担体の含有量は、通常１０~９９．９９重量％、好ましくは４０~９９．８重量％の範囲であり、界面活性剤の含有量は、通常１~２０重量％、好ましくは１~１５重量％の範囲である。スピロテトラマトを含有する乳剤に製剤する場合には、その乳剤は、有機溶剤を通常９~９０重量％を含有し、界面活性剤を通常１~２０重量％、好ましくは１~１０重量％含有する。スピロテトラマトを含有する水中懸濁剤・水中乳濁剤等のフロアブル剤に製剤する場合は、そのフロアブル剤は、例えば、本有効成分量が１~７５重量％となるように、懸濁補助剤（例えば保護コロイドやチクソトロピー性を付与しうる物質）を０．５~１５重量％、補助剤（例えば消泡剤、防錆剤、安定剤、展着剤、浸透助剤、凍結防止剤、防腐剤、防黴剤等）約０~１０重量％含む水中で、微小に分散させることにより得ることができる。
本発明において、スピロテトラマトを含有する製剤には、さらに他の殺虫剤、殺菌剤を混用または併用することもできる。
本発明において、ウンカ類としては、トビイロウンカ（Ｎｉｌａｐａｒｖａｔａ ｌｕｇｅｎｓ）、セジロウンカ（Ｓｏｇａｔｅｌｌａ ｆｕｒｃｉｆｅｒａ）及びヒメトビウンカ（Ｌａｏｄｅｌｐｈａｘ ｓｔｒｉａｔｅｌｌｕｓ）等が挙げられる。
本発明の防除方法によれば、イネが生育している水田にウンカ類が発生している場合にスピロテトラマトを該水田の田水に直接施用することによりウンカ類を防除することができる。また、イネが生育している水田にウンカ類が発生していなくともウンカ類の発生が予測される場合に予めスピロテトラマトを田水に直接施用することにより、イネが生育している水田におけるウンカ類の発生を抑制することができる。
本発明の防除方法において、イネが生育している水田の田水へスピロテトラマトを直接施用する時期は、イネを水田に播種あるいは移植した後のイネの生育している間であれば特に限定されるものではないが、通常は本葉３葉期~出穂４０日後の間、好ましくは本葉５葉期~出穂３０日後の間である。
本発明の防除方法において、イネが生育している水田の田水へのスピロテトラマトの施用量は、防除対象であるウンカ類の種類や発生程度、製剤形態、気象条件等によって変化させ得るが、イネの生育している水田１０００ｍ２あたり、通常１~５００ｇ、好ましくは１０~５００ｇ、より好ましくは１０~２００ｇ、更に好ましくは３０~１５０ｇである。
本発明の防除方法において、スピロテトラマトは、粒剤、粉剤、油剤等である場合、通常、上記の本有効成分量となるように何ら希釈することなくそのままイネが生育している水田の田水へ直接施用すればよい。また、乳剤、水和剤、顆粒水和剤、フロアブル剤等は、そのままイネの生育している水田の田水へ直接施用しても良いが、上記の本有効成分量となるように水で希釈して田水へ直接施用してもよい。
スピロテトラマトを田水へ直接施用する方法として、水面施用（ｓｕｂｍｅｒｇｅｄ ａｐｐｌｉｃａｔｉｏｎ）等が挙げられ、ｓｕｂｍｅｒｇｅｄ ａｐｐｌｉｃａｔｉｏｎとしては、田水の水面への直接施用や、水田への潅水時における流入水への施用が挙げられる。
本発明において、スピロテトラマトをイネが生育している水田の田水へ直接施用する際、イネの生育する水田が湛水されていればその深さは特に限定されないが、湛水（田水ともいう）の深さは２ｃｍ以上であることが好ましく、より好ましくは２~６ｃｍ、さらに好ましくは２~５ｃｍである。
本発明の防除方法において水田で生育しているイネの品種はとくに限定されない。また、古典的な育種法や遺伝子組み換えによって、除草剤耐性、有害生物への耐性あるいは環境ストレス耐性を付与したものでもよい。 The method for controlling planthoppers of the present invention comprises a step of applying an effective amount of spirotetramat to the water of rice fields where rice is growing, that is, the rice water.
Spirotetramat is, for example, the compound described in Example No. I-1-c-4 in JP 2000-516918 A, and can be produced by the method described in the publication.
In the present invention, the rice field in which rice is growing refers to a rice cultivation area where rice is sown or transplanted and is in a flooded state.
In the present invention, as a form of direct application of spirotetramat to the rice field of the rice field where rice is grown, the effective amount of spirotetramat is substantially directly applied to the rice field of the rice field where rice is grown. Although not particularly limited as long as it is applied, it is usually applied directly to paddy rice field where rice is grown in a form in which spirotetramat is formulated.
Spirotetramat is formulated into a mixture of spirotetramat and an inert carrier such as a solid carrier and a liquid carrier, and if necessary, other formulation adjuvants are added to the emulsion, water, Examples of the dosage form include a flowable agent such as a powder, a wettable powder, a suspension in water, an emulsion in water, a powder, a granule, a jumbo agent, an oil, and a microcapsule.
As solid support, natural or synthetic materials such as clay, kaolin, talc, bentonite, sericite, quartz, sulfur, activated carbon, calcium carbonate, diatomaceous earth, pumice, calcite, marine stone, dolomite, silica, alumina, vermiculite, pearlite, etc. Minerals, sawdust, corn cobs, coconut husks, fine granules such as tobacco stems, gelatin, petrolatum, methylcellulose, lanolin, lard and the like.
Liquid carriers include aromatic or aliphatic hydrocarbons such as xylene, toluene, alkylnaphthalene, phenylxylylethane, kerosene, light oil, hexane, cyclohexane, and liquid paraffin, and halogenated hydrocarbons such as chlorobenzene, dichloroethane, dichloromethane, and trichloroethane. , Alcohol such as methanol, ethanol, isopropyl alcohol, butanol, hexanol, benzyl alcohol, ethylene glycol, diethyl ether, ethylene glycol dimethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monomethyl ether, tetrahydrofuran, 1,4-dioxane, etc. Ethers, esters such as ethyl acetate and butyl acetate, acetone and methyl ethyl Tones, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, etc., nitriles such as acetonitrile, isobutyronitrile, alkylene carbonates such as propylene carbonate, sulfoxides such as dimethyl sulfoxide, N, N-dimethylformamide, N, N-dimethylacetamide, etc. Acid amide, pyrrolidone such as N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone and N-octyl-2-pyrrolidone, imidazolidine such as 1,3-dimethyl-2-imidazolidine, soybean oil and cottonseed oil And vegetable essential oils such as orange oil, hyssop oil and lemon oil, and water.
Other formulation adjuvants include casein, gelatin, saccharides (starch, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, synthetic water-soluble polymers (polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acids, etc.), PAP (Isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2-tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol) , Vegetable oil, mineral oil, surfactant, fatty acid, fatty acid ester and the like.
Examples of the surfactant include alkyl sulfate ester salts, alkyl sulfonate salts, alkyl aryl sulfonate salts, alkyl aryl ethers and polyoxyethylene compounds thereof, polyethylene glycol ethers, polyethylene glycol fatty acid esters, polyhydric alcohol esters, sugar alcohol derivatives. And silicone surfactants.
The content of spirotetramat in a preparation containing spirotetramat (hereinafter referred to as “the amount of the active ingredient”) is usually 0.01 to 90% by weight, preferably 0.1 to 80% by weight, more preferably Is in the range of 0.2 to 60% by weight. When formulated into an emulsion or wettable powder (eg, granular wettable powder), the amount of the active ingredient is usually 1 to 90% by weight, preferably 1 to 80% by weight, more preferably 5 to 60% by weight. is there. When formulated into oils or powders, the amount of the active ingredient is usually 0.01 to 90% by weight, preferably 0.1 to 50% by weight, more preferably 0.1 to 20% by weight, and still more preferably 0.2%. It is in the range of ~ 20% by weight. When formulated into granules, the amount of the active ingredient is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight, more preferably 0.2 to 20% by weight.
The content of the inert carrier in the preparation containing spirotetramat is usually 10 to 99.99% by weight, preferably 40 to 99.8% by weight, and the surfactant content is usually 1 to 9% by weight. It is in the range of 20% by weight, preferably 1 to 15% by weight. When formulated into an emulsion containing spirotetramat, the emulsion usually contains 9 to 90% by weight of an organic solvent and usually contains 1 to 20% by weight, preferably 1 to 10% by weight of a surfactant. To do. When formulating into a flowable agent such as an aqueous suspension or emulsion containing spirotetramat, the flowable agent is, for example, a suspension aid so that the amount of this active ingredient is 1 to 75% by weight. 0.5 to 15% by weight of an agent (for example, a protective colloid or a substance capable of imparting thixotropy), an auxiliary agent (for example, an antifoaming agent, a rust inhibitor, a stabilizer, a spreading agent, a penetration aid, an antifreezing agent, Preservatives, antifungal agents, etc.) can be obtained by finely dispersing in water containing about 0 to 10% by weight.
In the present invention, other insecticides and fungicides can be used in combination or in combination with the preparation containing spirotetramat.
In the present invention, planthoppers include brown planthopper (Nilaparvata lugens), white-spotted planthopper (Sogellaella furcifera), and green planthopper (Laodelphax straellatus).
According to the control method of the present invention, when the planthopper is generated in the rice field where rice is growing, the planthopper can be controlled by applying spirotetramat directly to the rice field of the rice field. In addition, in the paddy field where rice grows by applying spirotetramat directly to the paddy water in advance when the occurrence of the planthopper is predicted even if the plant is not occurring in the paddy field where rice is growing. The occurrence of planthoppers can be suppressed.
In the control method of the present invention, the time when spirotetramat is directly applied to the paddy field of the rice field where rice is growing is particularly limited as long as the rice is grown after seeding or transplanting into the paddy field. However, it is usually between the third leaf stage of the main leaf and 40 days after heading, and preferably between the fifth leaf stage of the main leaf and 30 days after heading.
In the control method of the present invention, the amount of spirotetramat applied to the rice field of the paddy field where rice is grown can be changed depending on the type and degree of occurrence of the planthoppers to be controlled, the formulation form, weather conditions, etc. The amount is usually 1 to 500 g, preferably 10 to 500 g, more preferably 10 to 200 g, still more preferably 30 to 150 g per 1000 m 2 of rice paddy where rice is grown.
In the control method of the present invention, when spirotetramat is a granule, powder, oil, etc., the paddy field where rice is usually grown without any dilution so as to be the amount of the active ingredient described above. Apply directly to water. Emulsions, wettable powders, granular wettable powders, flowable powders, etc. may be applied directly to the rice paddy field where rice is grown, but with water to achieve the above-mentioned effective ingredient amount. It may be diluted and applied directly to paddy water.
As a method of directly applying spirotetramat to the rice field, there is a submerged application. Submersed application includes direct application to the water surface of paddy water or application to inflow water during irrigation of paddy fields. Is mentioned.
In the present invention, when spirotetramat is directly applied to the rice paddy field where rice is grown, the depth is not particularly limited as long as the rice field where the rice is grown is submerged. The depth of (also referred to as) is preferably 2 cm or more, more preferably 2 to 6 cm, and still more preferably 2 to 5 cm.
In the control method of the present invention, rice varieties growing in paddy fields are not particularly limited. Moreover, what gave herbicide tolerance, pest tolerance, or environmental stress tolerance by the classic breeding method or gene recombination may be used.
以下、本発明を製剤例及び試験例にてさらに詳しく説明するが、本発明は以下の例のみに限定されるものではない。尚、以下の例において、部は特にことわりの無い限り重量部を表す。
まず、スピロテトラマトを含有する製剤の製剤例を示す。
製剤例１（粒剤）
スピロテトラマトを１部、合成含水酸化珪素を１部、リグニンスルホン酸カルシウムを２部、ベントナイトを３０部、カオリンクレーを６６部の割合でよく粉砕混合し、水を加えてよく練り合せた後、造粒乾燥することにより粒剤を得る。
製剤例２（水和剤）
スピロテトラマト２０部を、ラウリル硫酸ナトリウム５部、リグニンスルホン酸カルシウム２部、合成含水酸化珪素微粉末１６部及び珪藻土５７部の混合物に加え、よく撹拌混合して水和剤を得る。
製剤例３（フロアブル剤）
ポリオキシエチレンスチリルフェニルエーテルサルフェート塩５部、１％ザンサンガム水溶液２０部、スメクタイト系鉱物３部及び水６２部を均一に混合し、スピロテトラマト１０部を加えてよく撹拌後、サンドミルにて湿式粉砕してフロアブル剤を得る。
製剤例４（乳剤）
スピロテトラマト１部を、ソルゲンＴＷ−２０（第一工業製薬製）５．６部を含むアセトン（和光純薬工業製）９３．４部に加え、よく溶解して乳剤を得る。
次に試験例を示す。
試験例１
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌し、試験用薬液を調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉５葉期まで栽培し、湛水の水深を４ｃｍとした後に前記試験用薬液１０ｍｌを水面に施用した。この施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼６日後に供試した幼虫の生死を観察した。その観察結果から、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表１に示す。
式１）；死虫率（％）＝（１−生存虫数／供試虫数）×１００
試験例２
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌した試験用薬液と、同乳剤２．４ｇに水９７．６ｇを加えて撹拌した試験用薬液とを、それぞれ調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉６葉期まで栽培し、湛水の水深を２ｃｍ或いは５ｃｍとした後に前記試験用薬液１０ｍｌをそれぞれの水面に施用した。このそれぞれの施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇおよび１２０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼７日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は、スピロテトラマト処理区は３、処理区は２とした。その平均値を表２に示す。
試験例３
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌し、試験用薬液を調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉６葉期まで栽培し、湛水の水深を０．５ｃｍ或いは２ｃｍとした後に前記試験用薬液１０ｍｌをそれぞれの水面に施用した。この施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇに相当する。その２日後にイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼５日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表３に示す。
試験例４
製剤例４記載の方法で得られた乳剤０．６ｇに水９９．４ｇを加えて撹拌した試験用薬液、同乳剤１．２ｇに水９８．８ｇを加えて撹拌した試験用薬液および同乳剤２．４ｇに水９７．６ｇを加えて撹拌した試験用薬液を、それぞれ調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉５葉期まで栽培し、湛水の水深を４ｃｍとした後に前記試験用薬液１０ｍｌを水面に施用した。このそれぞれの施用量は、スピロテトラマト量として１０００ｍ２あたり３０ｇ、６０ｇおよび１２０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、ヒメトビウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼６日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表４に示す。
Hereinafter, the present invention will be described in more detail with reference to formulation examples and test examples, but the present invention is not limited to the following examples. In the following examples, parts represent parts by weight unless otherwise specified.
First, formulation examples of formulations containing spirotetramat are shown.
Formulation Example 1 (Granule)
After 1 part of spirotetramat, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and 66 parts of kaolin clay are mixed and mixed well with water. Granules are obtained by granulating and drying.
Formulation Example 2 (wettable powder)
20 parts of spirotetramat is added to a mixture of 5 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 16 parts of synthetic silicon hydroxide fine powder and 57 parts of diatomaceous earth and mixed well to obtain a wettable powder.
Formulation Example 3 (Flowable)
Mix 5 parts of polyoxyethylene styryl phenyl ether sulfate salt, 20 parts of 1% xanthan gum aqueous solution, 3 parts of smectite mineral and 62 parts of water, add 10 parts of spirotetramat and stir well, then wet mill in a sand mill To obtain a flowable agent.
Formulation Example 4 (Emulsion)
1 part of spirotetramat is added to 93.4 parts of acetone (manufactured by Wako Pure Chemical Industries, Ltd.) containing 5.6 parts of Sorgen TW-20 (manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) and dissolved well to obtain an emulsion.
Next, test examples are shown.
Test example 1
98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution. Rice (Oryza sativa, cultivar: Hoshi no Yume) was planted in 1 / 5000a Wagner pot and cultivated until the fifth leaf stage of the main leaf. . This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat. Immediately, the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by the formula 1). The number of test repetitions was 3. The average value is shown in Table 1.
Formula 1); death rate (%) = (1−number of surviving insects / number of test insects) × 100
Test example 2
A test chemical solution in which 98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred, and a test chemical solution in which 97.6 g of water was added to 2.4 g of the emulsion and stirred, Each was prepared. Rice (Oryza sativa, cultivar: Hoshi no Yume) is planted in 1 / 5000a Wagner pot and cultivated until the 6th leaf stage of the main leaf, and the water depth is set to 2cm or 5cm. Applied to the water surface. The respective application rates correspond to 60 g and 120 g per 1000 m 2 as spirotetramat amounts. Immediately, the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the tested larvae were observed 7 days after release. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The repetition of the test was 3 for the spirotetramat treatment group and 2 for the treatment group. The average value is shown in Table 2.
Test example 3
98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution. Rice (Oryza sativa, cultivar: Hoshi no Yume) is planted in 1 / 5000a Wagner pot and cultivated until the 6th leaf stage of the main leaf, and the water depth is set to 0.5 cm or 2 cm, and then 10 ml of the test drug solution is added. Applied to each water surface. This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat. Two days later, the rice was covered with nylon goose, and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 5 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3. The average value is shown in Table 3.
Test example 4
A test chemical solution in which 99.4 g of water was added to 0.6 g of the emulsion obtained by the method described in Formulation Example 4 and stirred, and a test chemical solution in which 98.8 g of water was added to 1.2 g of the emulsion and stirred, and emulsion 2 Each test liquid was prepared by adding 97.6 g of water to 0.4 g and stirring. Rice (Oryza sativa, cultivar: Hoshino Yume) was planted in 1 / 5000a Wagner pot and cultivated until the fifth leaf stage of the main leaf, and the water depth was set to 4 cm, and then 10 ml of the test chemical was applied to the water surface. . The respective application rates correspond to 30 g, 60 g and 120 g per 1000 m 2 as the amount of spirotetramat. Immediately, the rice was covered with nylon goose, and 10 third-instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3. The average value is shown in Table 4.
まず、スピロテトラマトを含有する製剤の製剤例を示す。
製剤例１（粒剤）
スピロテトラマトを１部、合成含水酸化珪素を１部、リグニンスルホン酸カルシウムを２部、ベントナイトを３０部、カオリンクレーを６６部の割合でよく粉砕混合し、水を加えてよく練り合せた後、造粒乾燥することにより粒剤を得る。
製剤例２（水和剤）
スピロテトラマト２０部を、ラウリル硫酸ナトリウム５部、リグニンスルホン酸カルシウム２部、合成含水酸化珪素微粉末１６部及び珪藻土５７部の混合物に加え、よく撹拌混合して水和剤を得る。
製剤例３（フロアブル剤）
ポリオキシエチレンスチリルフェニルエーテルサルフェート塩５部、１％ザンサンガム水溶液２０部、スメクタイト系鉱物３部及び水６２部を均一に混合し、スピロテトラマト１０部を加えてよく撹拌後、サンドミルにて湿式粉砕してフロアブル剤を得る。
製剤例４（乳剤）
スピロテトラマト１部を、ソルゲンＴＷ−２０（第一工業製薬製）５．６部を含むアセトン（和光純薬工業製）９３．４部に加え、よく溶解して乳剤を得る。
次に試験例を示す。
試験例１
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌し、試験用薬液を調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉５葉期まで栽培し、湛水の水深を４ｃｍとした後に前記試験用薬液１０ｍｌを水面に施用した。この施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼６日後に供試した幼虫の生死を観察した。その観察結果から、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表１に示す。
式１）；死虫率（％）＝（１−生存虫数／供試虫数）×１００
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌した試験用薬液と、同乳剤２．４ｇに水９７．６ｇを加えて撹拌した試験用薬液とを、それぞれ調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉６葉期まで栽培し、湛水の水深を２ｃｍ或いは５ｃｍとした後に前記試験用薬液１０ｍｌをそれぞれの水面に施用した。このそれぞれの施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇおよび１２０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼７日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は、スピロテトラマト処理区は３、処理区は２とした。その平均値を表２に示す。
製剤例４記載の方法で得られた乳剤１．２ｇに水９８．８ｇを加えて撹拌し、試験用薬液を調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉６葉期まで栽培し、湛水の水深を０．５ｃｍ或いは２ｃｍとした後に前記試験用薬液１０ｍｌをそれぞれの水面に施用した。この施用量は、スピロテトラマト量として１０００ｍ２あたり６０ｇに相当する。その２日後にイネをナイロン製ゴースで覆い、トビイロウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼５日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表３に示す。
製剤例４記載の方法で得られた乳剤０．６ｇに水９９．４ｇを加えて撹拌した試験用薬液、同乳剤１．２ｇに水９８．８ｇを加えて撹拌した試験用薬液および同乳剤２．４ｇに水９７．６ｇを加えて撹拌した試験用薬液を、それぞれ調製した。イネ（Ｏｒｙｚａ ｓａｔｉｖａ、品種：ほしのゆめ）を１／５０００ａワグネルポットに１株植えして本葉５葉期まで栽培し、湛水の水深を４ｃｍとした後に前記試験用薬液１０ｍｌを水面に施用した。このそれぞれの施用量は、スピロテトラマト量として１０００ｍ２あたり３０ｇ、６０ｇおよび１２０ｇに相当する。直ちにイネをナイロン製ゴースで覆い、ヒメトビウンカの３齢幼虫を１０頭ずつ放飼して温室（２３℃）に置いた。放飼６日後に供試した幼虫の生死を観察した。その観察結果から、試験例１と同様に、式１）によって死虫率を算出した。試験の反復は３とした。その平均値を表４に示す。
First, formulation examples of formulations containing spirotetramat are shown.
Formulation Example 1 (Granule)
After 1 part of spirotetramat, 1 part of synthetic hydrous silicon oxide, 2 parts of calcium lignin sulfonate, 30 parts of bentonite and 66 parts of kaolin clay are mixed and mixed well with water. Granules are obtained by granulating and drying.
Formulation Example 2 (wettable powder)
20 parts of spirotetramat is added to a mixture of 5 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 16 parts of synthetic silicon hydroxide fine powder and 57 parts of diatomaceous earth and mixed well to obtain a wettable powder.
Formulation Example 3 (Flowable)
Mix 5 parts of polyoxyethylene styryl phenyl ether sulfate salt, 20 parts of 1% xanthan gum aqueous solution, 3 parts of smectite mineral and 62 parts of water, add 10 parts of spirotetramat and stir well, then wet mill in a sand mill To obtain a flowable agent.
Formulation Example 4 (Emulsion)
1 part of spirotetramat is added to 93.4 parts of acetone (manufactured by Wako Pure Chemical Industries, Ltd.) containing 5.6 parts of Sorgen TW-20 (manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) and dissolved well to obtain an emulsion.
Next, test examples are shown.
Test example 1
98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution. Rice (Oryza sativa, cultivar: Hoshi no Yume) was planted in 1 / 5000a Wagner pot and cultivated until the fifth leaf stage of the main leaf. . This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat. Immediately, the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by the formula 1). The number of test repetitions was 3. The average value is shown in Table 1.
Formula 1); death rate (%) = (1−number of surviving insects / number of test insects) × 100
A test chemical solution in which 98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred, and a test chemical solution in which 97.6 g of water was added to 2.4 g of the emulsion and stirred, Each was prepared. Rice (Oryza sativa, cultivar: Hoshi no Yume) is planted in 1 / 5000a Wagner pot and cultivated until the 6th leaf stage of the main leaf, and the water depth is set to 2cm or 5cm. Applied to the water surface. The respective application rates correspond to 60 g and 120 g per 1000 m 2 as spirotetramat amounts. Immediately, the rice was covered with nylon goose and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the tested larvae were observed 7 days after release. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The repetition of the test was 3 for the spirotetramat treatment group and 2 for the treatment group. The average value is shown in Table 2.
98.8 g of water was added to 1.2 g of the emulsion obtained by the method described in Formulation Example 4 and stirred to prepare a test drug solution. Rice (Oryza sativa, cultivar: Hoshi no Yume) is planted in 1 / 5000a Wagner pot and cultivated until the 6th leaf stage of the main leaf, and the water depth is set to 0.5 cm or 2 cm, and then 10 ml of the test drug solution is added. Applied to each water surface. This application amount corresponds to 60 g per 1000 m 2 as the amount of spirotetramat. Two days later, the rice was covered with nylon goose, and 10 third instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 5 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3. The average value is shown in Table 3.
A test chemical solution in which 99.4 g of water was added to 0.6 g of the emulsion obtained by the method described in Formulation Example 4 and stirred, and a test chemical solution in which 98.8 g of water was added to 1.2 g of the emulsion and stirred, and emulsion 2 Each test liquid was prepared by adding 97.6 g of water to 0.4 g and stirring. Rice (Oryza sativa, cultivar: Hoshino Yume) was planted in 1 / 5000a Wagner pot and cultivated until the fifth leaf stage of the main leaf, and the water depth was set to 4 cm, and then 10 ml of the test chemical was applied to the water surface. . The respective application rates correspond to 30 g, 60 g and 120 g per 1000 m 2 as the amount of spirotetramat. Immediately, the rice was covered with nylon goose, and 10 third-instar larvae of the brown planthopper were released and placed in a greenhouse (23 ° C.). The life and death of the larvae tested 6 days after release were observed. From the observation results, the mortality rate was calculated by Formula 1) in the same manner as in Test Example 1. The number of test repetitions was 3. The average value is shown in Table 4.
本発明により、イネが生育している水田においてウンカ類を防除することができる。
According to the present invention, planthoppers can be controlled in paddy fields where rice is growing.
Claims (6)
- スピロテトラマトの有効量を、イネが生育している水田の田水に直接施用する工程を有するウンカ類の防除方法。 A method for controlling planthoppers, which comprises a step of directly applying an effective amount of spirotetramat to the rice paddy field where rice is grown.
- イネが生育している水田１０００ｍ２あたりのスピロテトラマトの田水への施用量が、１０~５００ｇである請求項１記載の防除方法。 2. The method of controlling a pest according to claim 1, wherein the amount of spirotetramat applied to the rice paddy per 1000 m 2 of paddy rice growing rice is 10 to 500 g.
- スピロテトラマトの施用時期が、水田に生育しているイネの生育ステージで本葉５葉期~出穂３０日後である請求項１又は２記載の防除方法。 The control method according to claim 1 or 2, wherein the application time of spirotetramat is from the 5th leaf stage to 30 days after heading in the growth stage of rice growing in paddy fields.
- 施用時の田水の深さが、２ｃｍ以上である請求項１又は２記載の防除方法。 The depth of the rice field at the time of application is 2 cm or more, The control method of Claim 1 or 2.
- ウンカ類が、トビイロウンカ、セジロウンカ及びヒメトビウンカからなる群より選択される害虫である請求項１又は２記載の防除方法。 The pest control method according to claim 1 or 2, wherein the planthopper is a pest selected from the group consisting of a planthopper, a green planter, and a planter.
- ウンカ類が、トビイロウンカ、セジロウンカまたはヒメトビウンカである請求項１又は２記載の防除方法。 The control method according to claim 1 or 2, wherein the planthopper is a planthopper, a green planthopper or a planthopper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011800227503A CN102883604A (en) | 2010-05-06 | 2011-04-26 | Method for control of planthoppers |
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| JP2010-106177 | 2010-05-06 | ||
| JP2010106177A JP2011236130A (en) | 2010-05-06 | 2010-05-06 | Method for controlling planthopper in paddy field where rice plant grows |
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| PCT/JP2011/060614 WO2011138968A1 (en) | 2010-05-06 | 2011-04-26 | Method for control of planthoppers |
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| JP (1) | JP2011236130A (en) |
| CN (1) | CN102883604A (en) |
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| CN104488927A (en) * | 2014-12-03 | 2015-04-08 | 广东中迅农科股份有限公司 | Pesticide composition containing sterol and spirotetramat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000516918A (en) * | 1996-08-05 | 2000-12-19 | バイエル・アクチエンゲゼルシヤフト | 2- and 2,5-substituted phenylketoenols |
| CN101637159A (en) * | 2009-09-08 | 2010-02-03 | 深圳诺普信农化股份有限公司 | Pesticide composition with synergistic action |
| CN101637165A (en) * | 2009-09-09 | 2010-02-03 | 深圳诺普信农化股份有限公司 | Insect-destroying composition with synergistic action |
| CN101642108A (en) * | 2009-09-08 | 2010-02-10 | 深圳诺普信农化股份有限公司 | Pesticidal composition with synergistic effect |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19716591A1 (en) * | 1996-08-05 | 1998-03-05 | Bayer Ag | 2- and 2,5-substituted phenylketoenols |
| CN101637116A (en) * | 2008-07-29 | 2010-02-03 | 滕立刚 | Method for producing nano SOD-rich sprouting vegetable |
| CN102379299A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Ultralow volume liquid containing spirotetramat |
-
2010
- 2010-05-06 JP JP2010106177A patent/JP2011236130A/en not_active Withdrawn
-
2011
- 2011-04-26 WO PCT/JP2011/060614 patent/WO2011138968A1/en active Application Filing
- 2011-04-26 CN CN2011800227503A patent/CN102883604A/en active Pending
- 2011-04-26 TW TW100114435A patent/TW201206345A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000516918A (en) * | 1996-08-05 | 2000-12-19 | バイエル・アクチエンゲゼルシヤフト | 2- and 2,5-substituted phenylketoenols |
| CN101637159A (en) * | 2009-09-08 | 2010-02-03 | 深圳诺普信农化股份有限公司 | Pesticide composition with synergistic action |
| CN101642108A (en) * | 2009-09-08 | 2010-02-10 | 深圳诺普信农化股份有限公司 | Pesticidal composition with synergistic effect |
| CN101637165A (en) * | 2009-09-09 | 2010-02-03 | 深圳诺普信农化股份有限公司 | Insect-destroying composition with synergistic action |
Non-Patent Citations (1)
| Title |
|---|
| YOSHIHIKO SATO: "Shokubutsubyo Gaichu no Jiten", 20 January 2001, ASAKURA PUBLISHING CO., LTD., pages: 287 - 291 * |
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| JP2011236130A (en) | 2011-11-24 |
| TW201206345A (en) | 2012-02-16 |
| CN102883604A (en) | 2013-01-16 |
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