Compound desinsection primary agent and pesticide consisting of verticillium lecanii and abamectin

A technology of Verticillium lecanii and avermectin, which is applied in the field of pesticides, can solve the problems of undiscovered pesticides, achieve good control effects, reduce pesticide residues, and have no pollution to the environment

Inactive Publication Date: 2009-08-26
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no relevant reports on the compound insecticides of Verticillium lecanii and abamectin in China.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: 20% Verticillium lecanii abamectin suspension concentrate (diluted 2000 times during use)

[0022] Part A is 40% conidia suspension of Verticillium lecanii: 40% conidia powder of Verticillium lecanii was dissolved in 0.21M phosphate buffer and 10% glycerin mixture, pH7.0, in Store at 4-8°C.

[0023] Part B is wettable powder: 1.8% avermectin (commercially available) 12%, Tween-8020%, sodium lignosulfonate 6%, wetting agent LX 4%, add pottery clay to make up to 100%.

[0024] Part A and Part B each account for 50%, and the two parts are directly mixed to obtain 20% Verticillium lecanii abamectin suspension concentrate, and the mass ratio of Verticillium lecanii: abamectin is 100:0.54. The results of the toxicity test are shown in Table 1.

Embodiment 2

[0025] Embodiment 2: 50% Verticillium lecanii abamectin oil (diluted 2000 times during use)

[0026] Verticillium lecanii powder (10 10 Individual / g) 50%, 1.8% abamectin 10% (commercially available), Tween-805%, paraffin oil 23%, methyl green 2%, add diatomaceous earth and mend to 100%, make 50% Verticillium lecanii abamectin oil. Wherein, the mass ratio of Verticillium lecanii bacteria powder: abamectin is 100:0.36. The results of the toxicity test are shown in Table 1.

Embodiment 3

[0027] Embodiment 3: 60% Verticillium lecanii abamectin oil (diluted 2000 times during use)

[0028] Verticillium lecanii powder (10 10 Individual / g) 60%, 1.8% abamectin 5% (commercially available), methyl green 2%, Tween-805%, paraffin oil 23%, kaolin supplemented to 100%, made 60% wax scale wheel Mycobacteria abamectin oil. Wherein, the mass ratio of Verticillium lecanii bacteria powder: abamectin is 100:0.15. The results of the toxicity test are shown in Table 1.

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PUM

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Abstract

The invention discloses a compound desinsection primary agent and a pesticide consisting of verticillium lecanii and abamectin. The primary agent is a mixture of the verticillium lecanii and the abamectin, wherein, the mass ratio between the verticillium lecanii and the abamectin is 100:0.1-0.5; through long-term infection biological study and interior biological assay, the verticillium lecanii has strong infection desinsection effect on a plurality of pests, the sucking pest in particular. The compound pesticide consisting of verticillium lecanii and abamectin of the invention has good effect in preventing and controlling pests such as trialeurodes vaporariorum westwood, bemisa babaci, plant louse, diamond back moth, thrips palmi karny and the like, and has certain effect in controlling mite pests.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and specifically relates to a microbial insecticide, in particular to an environmentally friendly, pollution-free, and residue-free insecticide main agent and insecticide compounded by Verticillium lecanii and abamectin . Background technique [0002] Verticillium lecanii (Zimmermann) Viegas is an insect pathogenic fungus. As a living biological pesticide, it has a new mechanism of action different from existing chemical insecticides, has no pollution to the environment, and has no residues. As an alternative control drug to control some insects resistant to Bacillus thuringiensis (Bt), it is of great economic significance to develop and utilize Verticillium lecanii. Verticillium lecanii is widely distributed, and has good control effects on whitefly, greenhouse whitefly, aphids, thrips, etc., and has broad application prospects. [0003] Abamectins is a kind of nerve agent, which acts on in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N43/90A01P7/00A01P7/04
CPCY02A50/30
Inventor 黄振任顺祥
Owner SOUTH CHINA AGRI UNIV
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