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Insecticidal composition containing cyfluthrin and clothianidin, and application thereof

A technology of insecticidal composition and cyfluthrin, applied in the direction of insecticide, application, biocide, etc., can solve the problems of undiscovered insecticidal composition, etc., and achieve the goal of delaying insecticide resistance, improving control effect, and inhibiting resistance Effect

Inactive Publication Date: 2012-10-03
江苏春江农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventors have found that cyfluthrin and clothianidin have a great compound synergistic effect and can delay the generation of resistance. So far, no insecticidal composition related to cyfluthrin and clothianidin has been found.

Method used

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  • Insecticidal composition containing cyfluthrin and clothianidin, and application thereof
  • Insecticidal composition containing cyfluthrin and clothianidin, and application thereof
  • Insecticidal composition containing cyfluthrin and clothianidin, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] With cyfluthrin and clothianidin as insecticidal active ingredients, weigh cyfluthrin and clothianidin in total 18g, calcium dodecylbenzenesulfonate 6g, phenylethylphenol polyoxyethylene ether polyoxypropylene ether 5g, fatty alcohol Polyoxyethylene ether 2g, solvent naphtha up to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing emulsifiable concentrate, and mix them to prepare cyfluthrin·clothianidin emulsifiable concentrate whose main active ingredient is 18% by weight. See Tables 1 and 2 for specific weight ratios of the active ingredients.

[0027] Indoor synergistic bioassay was carried out by dipping slide method, and resistant aphids were selected as target pests, each treatment was repeated 3 times, and 60 heads were treated at each concentration, and the toxicological regression equation and lethal median of each drug resistant aphids were calculated by the probability value method. Concentration LC 50 , ...

Embodiment 2

[0043] Embodiment 2: Take by weighing 25g cyfluthrin, 5g clothianidin, 3g of phenylethylphenol polyoxyethylene ether phosphate, agricultural milk 33#2g, agricultural milk 601#1g, phenylethylphenol polyoxyethylene ether polyoxypropylene Ether 2g, mineral spirits 13g, ethylene glycol 5g, add water to 100g. The above raw materials are processed according to the conventional method for preparing water-in-water emulsion, and the cyfluthrin·clothianidin water-emulsion with a main active ingredient weight percentage of 30% is made.

Embodiment 3

[0044] Embodiment 3: Weigh 10g of cyfluthrin, 3g of clothianidin, 6g of calcium dodecylbenzenesulfonate, 3g of styrylphenol polyoxyethylene ether phosphate, 2g of styrylphenol polyoxyethylene ether polyoxypropylene ether , 600#1g, cyclohexanone 10g, n-butanol 5g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing microemulsions and mix them to prepare a cyfluthrin·clothianidin microemulsion with a main active ingredient weight percentage of 13%.

[0045] Embodiment 3 is carried out the drug effect test of controlling wheat aphid, contrast agent is 20% clothianidin WP (wettable powder) and 20% cyfluthrin EC (emulsifiable concentrate), dilute according to the dilution factor in table 3, check after medicine The results of 3 days and 7 days, the processing results are shown in Table 3:

[0046] Table 3: Field test results of cyfluthrin-clothianidin compound against wheat aphids

[0047]

[0048] The results of...

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Abstract

The invention discloses an insecticidal composition containing cyfluthrin and clothianidin, and the application thereof. According to the insecticidal composition, the cyfluthrin and the clothianidin are taken as insecticidal active ingredients, and the weight ratio of the cyfluthrin and the clothianidin is 1-50:1-50. The insecticidal composition can play a good synergistic interaction role, overcomes and delays resistance to pets, is efficient and long in persistent period, lowers drug cost, and is remarkably higher than single pesticides in control effect. The insecticidal composition disclosed by the invention can control hemiptera pets generated on cropper, in particular to white flies and aphids, and is remarkably higher than single pesticides in control effect.

Description

technical field [0001] The invention belongs to the field of agricultural insecticides containing heterocyclic compounds, and specifically relates to a compound insecticidal composition containing cyfluthrin and clothianidin and its application. Background technique [0002] Cyfluthrin (Cyfluthrin), chemical name: (RS) α-cyano-4-fluoro-3-phenoxybenzyl (1RS, 3RS; 1RS, 3RS)-3-(2,2-dichlorovinyl) -2,2-Dimethylcyclopropanecarboxylate. The molecular formula is: C 22 h 18 Cl 2 FNO 3 , the structural formula is as follows: [0003] [0004] Cyfluthrin (Cyfluthrin) is the first pyrethroid insecticide developed by Bayer in Germany. The original drug is a brown viscous liquid with a relative density of 1.27-1.28g / cm 3 , Vapor pressure>1.33×10 at 20°C -8 Pa,. Soluble in acetone, ether, toluene, methylene chloride and other organic solvents, slightly soluble in alcohol, insoluble in water. It is stable in acid and sunlight, but unstable in alkaline with a pH value greater...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01N51/00A01P7/04
Inventor 庄夕华张和平臧建忠
Owner 江苏春江农化有限公司
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