WO2016070632A1 - Composition d'agent d'élimination d'acarien d'élimination d'insecte ayant un effet synergique - Google Patents

Composition d'agent d'élimination d'acarien d'élimination d'insecte ayant un effet synergique Download PDF

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Publication number
WO2016070632A1
WO2016070632A1 PCT/CN2015/081926 CN2015081926W WO2016070632A1 WO 2016070632 A1 WO2016070632 A1 WO 2016070632A1 CN 2015081926 W CN2015081926 W CN 2015081926W WO 2016070632 A1 WO2016070632 A1 WO 2016070632A1
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WO
WIPO (PCT)
Prior art keywords
composition
bifenthrin
killing
composition according
flumethrin
Prior art date
Application number
PCT/CN2015/081926
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English (en)
Chinese (zh)
Inventor
仲汉根
季红进
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江苏辉丰农化股份有限公司
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Publication of WO2016070632A1 publication Critical patent/WO2016070632A1/fr

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  • the present invention relates to an insecticidal and acaricidal composition having improved properties, and more particularly to an insecticidal and acaricidal composition comprising flumethrin and bifenthrin, and belongs to the field of pesticide preparations.
  • Acerithrin is a high-efficiency, low-toxic, broad-spectrum, novel pyrethroid-killing insecticide and insecticide. It has good activity against a variety of food-borne pests, and also has good activity against pests and lepidopteran pests such as hibiscus, leaf miner, thrips and aphids. Used in crops such as cotton, fruit trees, soybeans, corn, vegetables, tea, grapes, citrus, and tobacco.
  • Bifenthrin is a highly effective pyrethroid insecticide and acaricide. It has contact, stomach toxicity, no systemic and fumigation effects. It has a wide spectrum of insecticides and good control effect against cockroaches. Act quickly. It does not move in the soil, it is safer for the environment, and the residual effect period is long.
  • the purpose of the invention is to screen the two insecticidal and acaricidal agents with different action principles for the resistance problem of the insecticide and acaricide in the practical application, so as to improve the effect of prevention and treatment, reduce the application amount and expand the use. range.
  • the present invention provides a group of insecticidal and acaricidal compositions comprising two active ingredients A and B, active ingredient A being flumethrin and active ingredient B being bifenthrin.
  • the inventors found through experiments that the above-mentioned insecticidal composition has obvious synergistic effect, and the application amount is reduced, which can reduce the use cost.
  • the compounds containing component A and component B have different structural types and different mechanisms of action. The combination of the two can broaden the spectrum of action and can delay the generation of insect resistance to a certain extent, and component A and component B There is no cross-resistance.
  • the present invention provides a preparation method comprising the two active ingredients A and B compositions and an application for controlling crop pests in the agricultural field.
  • the composition comprises two active components A and B, and the weight ratio between the two components is 1:30 to 30:1, and the priority weight ratio is 1:20 to 20:1.
  • the composition may be prepared from any of the active ingredients, supplemented with a pesticide-acceptable excipient, in any form suitable for agricultural use, such as an aqueous emulsion, microemulsion or suspension.
  • a pesticide-acceptable excipient in any form suitable for agricultural use, such as an aqueous emulsion, microemulsion or suspension.
  • the active ingredient has a mass content of from 5 to 85%.
  • the adjuvant, solvent, and carrier auxiliary component which are usually used in the pesticide preparation of the composition are prepared into various dosage forms suitable for use in agriculture.
  • composition of the present invention can be prepared into various dosage forms by a known method, and the active ingredient and an auxiliary agent such as a solvent, a carrier (such as a solid carrier) can be uniformly mixed and ground with a surfactant as needed, and prepared.
  • auxiliary agent such as a solvent, a carrier (such as a solid carrier)
  • Suitable auxiliaries may be solid or liquid, they are usually materials commonly used in the processing of dosage forms, such as natural or regenerated minerals, solvents, dispersants, wetting agents, adhesives, thickeners, adhesives, surfaces. Active agent or fertilizer.
  • the above solvent may be selected from aromatic hydrocarbons, preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • aromatic hydrocarbons preferably containing from 8 to 12 carbon atoms, such as a mixture of xylenes or substituted benzenes, phthalates such as dibutyl phthalate or dicaprylic acid, aliphatic hydrocarbons such as rings.
  • Alkenes or paraffins, alcohols and glycols and their ethers and esters such as ethanol, ethylene glycol, ethylene glycol monomethyl
  • ketones such as cyclohexanone
  • highly polar solvents such as N-methyl-2 Pyrrolidone, dimethyl sulfoxide or dimethylformamide
  • vegetable or vegetable oils such as soybean oil.
  • the above carriers are typically natural mineral fillers such as talc, kaolin, montmorillonite or activated clay.
  • a highly dispersible silicic acid or a highly dispersible adsorbent polymer carrier such as a particulate adsorbent carrier or a non-adsorbing carrier, and a suitable particulate adsorbent carrier is porous, such as pumice, bentonite or Bentonite; a suitable non-adsorbing carrier such as calcite or sand.
  • a large amount of pre-granulated materials of inorganic or organic nature can be used as a carrier, in particular dolomite.
  • Suitable surfactants are lignosulfonic acid, naphthalenesulfonic acid, phenolsulfonic acid, alkaline earth metal or amine salts, alkylarylsulfonates, alkyl groups Sulfates, alkyl sulfonates, fatty alcohol sulphates, fatty acids and sulfated fatty alcohol glycol ethers, as well as condensates of sulfonated naphthalene and naphthalene derivatives with formaldehyde, naphthalene or naphthalene sulfonic acid with phenol and formaldehyde Condensate, polyoxyethylene octyl phenyl ether, ethoxylated isooctyl phenol, octyl phenol, nonyl phenol, alkyl aryl polyglycol ether, tributyl benzene poly
  • the method of application of the compositions of the present invention comprises the use of the compositions of the present invention in aerial parts of plants, including leaves or foliage.
  • the plant's growth site such as wheat
  • the plant's growth site such as wheat
  • the composition may be applied to the soil in solid form, such as in the form of granules (soil application), the composition may be passed from the soil to the plant through the roots of the plant.
  • In vivo systemic action
  • compositions may be applied only by the active ingredient or may be used in combination with the additives, and thus the compositions of the present invention may be prepared in various dosage forms such as wettable powders, water-dispersible granules, aqueous emulsions, microemulsions.
  • the compositions may be applied by spraying, misting, dusting, spreading or pouring, and the like.
  • the two active ingredients in the composition of the present invention exhibit synergistic effects and are more remarkable than the individual activities of individual compounds, and can be used for controlling crop pests in the agricultural field.
  • the synergistic effect is manifested by allowing a reduction in the amount of application, a broader insecticidal spectrum, quicker effect, and longer lasting protection.
  • the therapeutic effect better control of the pest by only one or a few applications, and widening the possible application interval.
  • the insecticidal composition of the invention has good activity in various plant diseases such as wheat, cotton, corn, soybean, vegetable, fruit tree and the like. In particular, it has excellent effects in controlling crop pests caused by hibiscus, leaf miner, thrips, aphids, red spiders or small green leafhoppers.
  • the other characteristics of this product are mainly as follows: 1. It can be applied to various possible application methods such as spraying, seed dressing and mixed soil spreading; 2. The chemical composition of the two single agents of the composition is very different, There is cross-resistance, which can delay the resistance problem caused by the two single agents alone; 3. The compounding of the composition of the invention has obvious synergistic effect, and is safe and effective against crops. It has been proved by experiments that the composition of the invention has stable chemical properties, remarkable synergistic effect, and exhibits obvious synergistic effect and complementary effect on the control object.
  • the active ingredients of flumethrin and bifenthrin are mixed with the dispersing agent, stabilizer, antifoaming agent and solvent in the proportion of the formula, ground in a sanding kettle, and then sent to a homomixer. Mix well to get the finished product.
  • the active ingredient flumethrin and bifenthrin are mixed with the solvent and the auxiliary agent under mechanical stirring, then the emulsifier and the stabilizer are added to be evenly stirred, and finally water is added at 100-12000 rpm. Stir at a speed of 10-30 minutes to make it a homogeneous milky product.
  • Example 5 31% flumethrin-bifenthrin aqueous emulsion
  • Example 6 31% flumethrin-bifenthrin aqueous emulsion
  • Example 7 10% flumethrin-bifenthrin aqueous emulsion
  • Example 8 51% flumethrin bifenthrin aqueous emulsion
  • Example 9 51% flumethrin-bifenthrin aqueous emulsion
  • the leaves without application of insecticide were cut into 5cm in diameter, and the test agents were sprayed evenly on the positive and negative sides of the leaves with a sprayer. After drying, they were transferred to the culture dish and connected to the 2nd instar larvae. Each treatment was 50 times and repeated 4 times. And with water control.
  • the rice was reared at room temperature, 75%-85% relative humidity at 25 °C, and the new rice leaves treated with the drug were replaced every 12 hours. The number of deaths was checked after 48 hours, the mortality was calculated, and the mortality was corrected. Lethal concentration.
  • Measured virulence index (ATI) (standard drug LC50 / test drug LC50) * 100
  • Theoretical virulence index (TTI) A virulence index * Percentage of A in the mixture + B virulence index * Percentage of B in the mixture
  • CTC Co-toxicity coefficient [mixture measured virulence index (ATI) / mixed theory virulence index (TTI)] * 100
  • CTC ⁇ 80 the composition showed antagonism, 80 ⁇ CTC ⁇ 120, the composition showed an additive effect, CTC ⁇ 120, and the composition showed synergistic effect.
  • the field efficacy test was repeated 4 times for each treatment, and the whole plant was evenly sprayed at the peak of the occurrence of the damage.
  • Each processing cell immediately takes 5 points, each point 10 plants were calibrated, the number of insect populations was investigated before application, and the number of live insects was recorded 5 days after application. The rate of reduction of insects was calculated, that is, the control effect was observed. At the same time, the symptoms of the tested crops were investigated to determine the safety of the medicament.

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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

La présente invention concerne une composition d'agent d'élimination d'acarien et d'élimination d'insecte ayant un effet synergique. La composition comprend deux constituants efficaces A et B, le constituant actif A étant l'acrinathrine, le constituant actif B étant la bifenthrine, et les deux constituants ayant un rapport de poids de 1:50 à 50:1. La présente invention concerne également un procédé de préparation pour la composition, et une application de la composition. Des résultats expérimentaux montrent que la composition d'élimination d'insecte décrite par la présente invention a un effet synergique évident, la quantité d'utilisation peut être réduite, et le coût de lutte est réduit. La composition d'élimination d'acarien et d'élimination d'insecte est capable de lutter efficacement contre de multiples types d'insectes dans des arbres fruitiers, des légumes et des cultures commerciales. Par combinaison d'insecticides avec différents mécanismes et modes d'action, la quantité d'application d'un agent unique est efficacement réduite, et de bons effets sont fournis pour l'expansion d'un spectre insecticide, pour retarder la résistance aux médicaments des insectes, pour améliorer l'effet de lutte et analogue.
PCT/CN2015/081926 2014-11-04 2015-06-19 Composition d'agent d'élimination d'acarien d'élimination d'insecte ayant un effet synergique WO2016070632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410612137.2 2014-11-04
CN201410612137.2A CN104397011B (zh) 2014-11-04 2014-11-04 具有增效作用的杀虫杀螨剂组合物

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WO2016070632A1 true WO2016070632A1 (fr) 2016-05-12

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WO (1) WO2016070632A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104397011B (zh) * 2014-11-04 2017-03-22 江苏辉丰农化股份有限公司 具有增效作用的杀虫杀螨剂组合物
CN106035365A (zh) * 2016-05-31 2016-10-26 刘慎权 一种防治棉象鼻虫的组合物及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101384174A (zh) * 2005-12-22 2009-03-11 Fmc有限公司 氟氯菊酯和氰基-合成除虫菊酯的杀虫和杀螨组合物
CN104397011A (zh) * 2014-11-04 2015-03-11 江苏辉丰农化股份有限公司 具有增效作用的杀虫杀螨剂组合物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101384174A (zh) * 2005-12-22 2009-03-11 Fmc有限公司 氟氯菊酯和氰基-合成除虫菊酯的杀虫和杀螨组合物
CN104397011A (zh) * 2014-11-04 2015-03-11 江苏辉丰农化股份有限公司 具有增效作用的杀虫杀螨剂组合物

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CN104397011A (zh) 2015-03-11

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