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Pesticidal suspending agent or missible oil containing chlorantraniliprole and high-efficiency cypermethrin and preparation method thereof

A technology of beta-cypermethrin and chlorantraniliprole, applied in the direction of insecticides, botany equipment and methods, biocides, etc.

Inactive Publication Date: 2011-02-02
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no report on the combination of chlorantraniliprole and beta-cypermethrin to make a mixture for the control of corn borer

Method used

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  • Pesticidal suspending agent or missible oil containing chlorantraniliprole and high-efficiency cypermethrin and preparation method thereof
  • Pesticidal suspending agent or missible oil containing chlorantraniliprole and high-efficiency cypermethrin and preparation method thereof
  • Pesticidal suspending agent or missible oil containing chlorantraniliprole and high-efficiency cypermethrin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Combined toxicity test of chlorantraniliprole and beta-cypermethrin against corn borer

[0088] Determination method: Toxicity determination was carried out by Potter spray method. According to the toxicity test results of a single dose, the ratio by weight of chlorantraniliprole and beta-cypermethrin is 1:0.5, 1:1, 1:2, 1:2.5, 1:3, 1:4, 1:6, 1 :8 and 1:10 for mixing. According to the results of the preliminary test, within the range of the mortality rate of 10% to 90%, the medicines mixed with the above weight ratios were set to 5 serial mass concentrations according to the arithmetic difference method. Insert the 3rd instar larvae for testing into a petri dish with a diameter of 12 cm, 30 worms per dish, place the petri dish in the center of the loading platform of the Potter spray tower, dilute the medicament to be tested into a medicinal solution of the required mass concentration with distilled water, Spray treatment in order of concentration from low to high, th...

Embodiment 2

[0097] Prepare the insecticidal composition suspension containing chlorantraniliprole and beta-cypermethrin according to the following formula, obtain preparation 1, and the raw material formula of the composition consists of:

[0098] Composition Weight %

[0099] Chlorantraniliprole 10%

[0100] Beta-Cypermethrin 5%

[0101] Polymer dispersant SPED-300 4%

[0102] Polymer dispersant SPED-SC32 2%

[0103] Xanthan Gum 0.25%

[0104] Magnesium Aluminum Silicate 0.2%

[0105] Ethylene glycol 5%

[0106] Deionized water 73.55% (make up to 100%)

[0107] The polymer dispersant SPED-300 is an acrylic copolymer, which is a new type of polymer surfactant with a comb structure formed by the copolymerization of unsaturated monomers. It is a yellow transparent viscous liquid with a molecular weight of 20,000-35,000. Miscible in water, pH value (5% mass concentration aqueous solution) is 5.0-8.0, open flash point is greater than 100 ° C, HLB value is 13.2, produced by Yangzhou Spe...

Embodiment 3

[0109] Prepare the insecticidal composition suspension containing chlorantraniliprole and beta-cypermethrin according to the following formula, obtain preparation 2, and the raw material formula of the composition consists of:

[0110] Composition Weight %

[0111] Chlorantraniliprole 5%

[0112] Beta-Cypermethrin 5%

[0113] Polymer dispersant SPED-300 3.5%

[0114] Polymer dispersant SPED-SC32 1.5%

[0115] Xanthan Gum 0.15%

[0116] Magnesium Aluminum Silicate 0.15%

[0117] Ethylene Glycol 5%

[0118] Deionized water 79.7% (make up to 100%)

[0119] The polymer dispersant SPED-300 is an acrylic copolymer, which is a new type of polymer surfactant with a comb structure formed by the copolymerization of unsaturated monomers. It is a yellow transparent viscous liquid with a molecular weight of 20,000-35,000. Miscible in water, pH value (5% mass concentration aqueous solution) is 5.0-8.0, open flash point is greater than 100 ° C, HLB value is 13.2, produced by Yangzhou Sp...

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Abstract

The invention discloses a pesticidal suspending agent or missible oil containing chlorantraniliprole and high-efficiency cypermethrin and a preparation method thereof. The pesticidal suspending agent containing the chlorantraniliprole and the high-efficiency cypermethrin comprises the following components in percentage by weight: 1.25-10 percent of chlorantraniliprole, 5 percent of high-efficiency cypermethrin, 3-4 percent of polymer dispersant SPED-300, 1-2 percent of polymer dispersant SPED-SC32, 0.1-0.25 percent of xanthan gum, 0.1-0.2 percent of magnesium aluminum silicate, 4-5 percent of ethylene glycol and 73-85 percent of deionized water. The missible oil containing the chlorantraniliprole and the high-efficiency cypermethrin comprises the following components in percentage by weight: 1.25-10 percent of chlorantraniliprole, 5 percent of high-efficiency cypermethrin, 30-40 percent of dimethylformamide, 30-50 percent of dimethylbenzene and 10-20 percent of emulsifying agent. The pesticidal composition has obvious synergy effect on ostrinia nubilalis.

Description

technical field [0001] The invention relates to an insecticidal composition, in particular to a binary mixture containing chlorantraniliprole and beta-cypermethrin, which is used for preventing and controlling agricultural pests such as corn borer. Background technique [0002] Corn borer is the main pest of corn in my country. The insect mainly damages corn by boring stems, tassels and ears, seriously affecting the yield and quality of corn, reducing corn yield by more than 30%, and causing huge losses. At present, the control of corn borer is still dominated by the application of chemical pesticides, mainly organophosphorus pesticides such as parathion, phoxim and acephate, and biological pesticides such as Bacillus thuringiensis. Organophosphorus pesticides have disadvantages such as high toxicity to humans and animals, large residues, and difficult degradation. After use, the food safety level of corn will be greatly reduced. Although Bacillus thuringiensis is safe for ...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01P7/04A01N53/08A01N25/04
Inventor 陈炳旭董易之陆恒陈耿民徐淑
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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