Pesticide preparation for preventing pest erythrina gall wasp

A technology of Erythrina chinensis and pesticide preparations, applied in the direction of insecticides, biocides, animal repellents, etc., can solve problems that cannot be cured, people's life safety and property threats, etc., and achieve low price and low cost The effect of drug resistance and synergistic effect is obvious

Inactive Publication Date: 2010-06-30
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the newly planted Erythrina trees in Hong Kong are infested by Erythrina japonica. Although the pests of Erythri

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1: Composition and preparation method of 25.0% Quetiafos Thiamethoxam EC

[0045] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;

[0046] The weight percent (%) of each component of auxiliary agent is: solvent, xylene 57.0, methanol 5.0; Cosolvent, cyclohexanone 0.1; Emulsifier, dibenzylphenol polyoxyethylene ether 7.9, Tween-40 4.0; Stabilizer, Pyrogallic acid 0.5, castor oil 0.5;

[0047] After the above-mentioned weight ratio raw materials are mixed, the insecticide emulsifiable concentrate is made by the traditional emulsifiable concentrate processing method.

Embodiment 2

[0048] Embodiment 2: Composition and preparation method of 25.0% Quetiafos Thiamethoxam microemulsion

[0049] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;

[0050] The weight percentage (%) of each component of the auxiliary agent is: emulsifier, tristyrylphenol oxiraneated triethanolamine phosphate salt 70.0; solvent, dimethylformamide 1.0, pyrrolidone 1.0; stabilizer, pyrogallic acid 1.0 ; Antifreeze, ethylene glycol 0.5, glycerin 0.5; water 1.0;

[0051] The traditional microemulsion processing method is used to make insecticide microemulsion after mixing the raw materials in the above weight ratio.

Embodiment 3

[0052] Example 3: Composition and preparation method of 25.0% Quetiafos Thiamethoxam aqueous emulsion

[0053] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;

[0054] The weight percentage (%) of each component of the auxiliary agent is: solvent, xylene 30.0, N-long chain alkylpyrrolidone 30.0; emulsifier, 2,4,6-tris(1-phenylethyl)phenol poly(20) ethylene glycol Alcohol phosphate monoester 4.0; dispersant, polyvinyl alcohol 0.2; antifreeze agent, glycerin 0.1; water 10.7;

[0055] 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. Example 4: 25.0% Quetiafos Thiamethoxam smear composition and preparation method

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PUM

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Abstract

The invention discloses pesticide preparation for preventing pest erythrina gall wasp, and the main preparation mainly comprises the mixture of the following effective components by weight percentage: 5.0 to 40.0 percent of quinalphos and 1.0 to 30.0 percent of thiamethoxam; the main preparation is prepared into missible oil, microemulsion, aqueous emulsion and pesticide with applied on ointment; the preparation has very good internal absorption performance, permeability, a certain contact and killing function, and the like, is highly efficient to erythrina gall wasp, can prevent the erythrina gall wasp in all ages, has the advantages of thorough insect killing, little pollution to the environment and low production cost, and is applicable to the chemical prevention of erythrina wasp pest.

Description

technical field [0001] The invention relates to a pesticide preparation for preventing and controlling the pest Erythrina chinensis. 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. So far, Erythrina has been distributed in Mauritius, Reunion, Hawaii, Singapore, Taiwan, India, Thailand, Philippines, Samoa, Guam and Okinawa. In Taiwan, my country, it was first discovered in Tainan County in 2003. After that, the Erythrina spp. quickly spread to the whole island, and a large number of Erythrina species planted as street trees were severely damaged, and more than 10,000 Erythrina trees were severely damaged. On July 25, 2005, in the mainland of my country, Erythrina was first discovered in the sea pastoral scenic spot in Shenzhen City, Guangdong Province. Now Erythrina has spread to Guangxi, my country and Xiamen City, ...

Claims

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Application Information

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IPC IPC(8): A01N57/16A01N51/00A01P7/04
Inventor 陈小军王爽杨益众
Owner YANGZHOU UNIV
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