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Farm chemical for preventing and controlling Quadrastichus erythrinae Kim and preparation made therefrom

A technology of Erythrina chinensis and pesticide preparations, applied in the direction of insecticides, biocides, animal repellents, etc., can solve the problem that Erythrina spp. has no effective control methods, etc., and achieve drug resistance and low price , the effect of low environmental selection pressure

Inactive Publication Date: 2009-05-20
广东乾佳乐生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no effective control method for Erythrina chinensis

Method used

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  • Farm chemical for preventing and controlling Quadrastichus erythrinae Kim and preparation made therefrom
  • Farm chemical for preventing and controlling Quadrastichus erythrinae Kim and preparation made therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: Composition and preparation method of 25.0% Quetiafos-Methomyl EC

[0034] (all following embodiment contents are by weight)

[0035] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, methomyl 5.0;

[0036] The weight percent (%) of each active ingredient of the adjuvant is: solvent, xylene 57.0, methanol 5.0; emulsifier, dibenzylphenol polyoxyethylene ether 8.0, agricultural milk 0201 4.0; stabilizer, pyrogallic acid 0.5, castor oil 0.5;

[0037] After mixing the raw materials in the above weight ratio, the insecticide emulsifiable concentrate is made by the traditional emulsifiable concentrate processing method. Embodiment 2: Composition and preparation method of 25.0% quinthion·methomyl microemulsion

Embodiment 2

[0037] After mixing the raw materials in the above weight ratio, the insecticide emulsifiable concentrate is made by the traditional emulsifiable concentrate processing method. Embodiment 2: Composition and preparation method of 25.0% quinthion·methomyl microemulsion

[0038] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, methomyl 5.0;

[0039] The weight percent (%) of each component of the auxiliary agent is: emulsifier, tristyrylphenol oxiraneated triethanolamine phosphate 20.0; solvent, dimethylformamide 3.0, pyrrolidone 3.0; stabilizer, pyrogallic acid 2.0 ; antifreeze agent, ethylene glycol 1.0, glycerol 1.0; water 45.0; after mixing the raw materials in the above weight ratio, use the microemulsion processing method to make insecticide microemulsion.

Embodiment 3

[0040] Embodiment 3: Composition and preparation method of 25.0% Quetiafos·Methomyl aqueous emulsion

[0041] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, methomyl 5.0;

[0042] The weight percentage (%) of each component of the auxiliary agent is: solvent, xylene 5.0, N-long chain alkylpyrrolidone 10.0; emulsifier, 2,4,6-tris(1-phenylethyl)phenol poly(20)ethylene di Alcohol Phosphate Monoester 18.0; Dispersant, Polyvinyl Alcohol 3.0; Antifreeze Agent, Glycerin 3.0; Water 36.0;

[0043] After mixing the raw materials in the above weight ratio, the insecticide emulsion in water is prepared by the traditional emulsion-in-water processing method.

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Abstract

The present invention discloses a pesticide main agent for controlling erythrina indica ichneumonid and preparation made up by using said main agent. Said main agent mainly contains (by wt%) 5.0-40.0% of quinalphos and 1.0-30.0% of methomyl. Said main agent can be made into emulsifiable concentrate, microeumulsion and emulsion in water.

Description

technical field [0001] The invention relates to a main pesticide agent for controlling Erythrina chinensis and the preparation thereof. Background technique [0002] Quadrastichus erythrinae Kim belongs to the family Eulophidae, the subfamily Tetrasticchinae, and the genus Quadrastichus. It is a new species published internationally in 2004. [0003] On July 25, 2005, the mainland of my country first discovered the dangerous pest Erythrina spp. Its reproductive ability is strong, and adults can mate soon after emergence. Before laying eggs, females pierce the epidermis of the host with the ovipositor, and lay eggs in the epidermal tissue of new leaves, petioles, twigs or young shoots of the host. After hatching, the larvae Feeds on mesophyll tissue, most of the galls on the leaves have only 1 larva, and a few galls have 2 larvae; the number of larvae in the stem, petiole and new branch tissues can reach more than 5. The larvae complete their development and pupate in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/16A01P7/04A01N47/10
Inventor 叶宝鑑徐汉虹陈小军张志祥江定心田永清
Owner 广东乾佳乐生物科技有限公司
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