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

A technology of Verticillium leek and imidacloprid, which is applied in the field of pesticides, can solve problems that have not yet been found, and achieve the effects of reducing pesticide residues, delaying the generation of pest resistance, and causing no pollution to the environment.

Inactive Publication Date: 2011-09-14
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no relevant report on the compound insecticide of Verticillium lecanii and imidacloprid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: 20% Verticillium lecanii imidacloprid oil (diluted 1000 times during use)

[0022] Verticillium lecanii powder (10 10 Individual / g) 20%, imidacloprid 3%, methyl green 2%, Tween-80 5%, paraffin oil 23%, kaolin supplemented to 100%, prepared 50% Verticillium lecanii imidacloprid oil. Wherein, the mass ratio of Verticillium lecanii bacterial powder:imidacloprid is 100:15. The results of the toxicity test are shown in Table 1.

Embodiment 2

[0023] Embodiment 2: 5% Verticillium lecanii imidacloprid suspension concentrate

[0024] Part A is 10% conidia suspension of Verticillium lecanii: dissolve 10% conidia powder of Verticillium lecanii in 0.21M phosphate buffer and 10% glycerol mixture, pH 7.0, in Store at 4-8°C.

[0025] Part B is wettable powder: imidacloprid 5.0%, Tween-80 20%, sodium lignosulfonate 6%, dispersant NNO 4%, add clay to make up to 100%.

[0026] Part A and Part B each account for 50%, and the two parts are directly mixed to obtain a 5% Verticillium lecanii imidacloprid suspension concentrate, and the mass ratio of Verticillium lecanii: imidacloprid is 100:50. The results of the toxicity test are shown in Table 1.

Embodiment 3

[0027] Embodiment 3: 50% Verticillium lecanii imidacloprid wettable powder (diluted 1000 times during use)

[0028] Verticillium lecanii powder (10 10 Individual / g) 50%, 10% WP imidacloprid 3%, saponin 14%, Tween-80 10%, add potter's clay and mend to 100%, make 50% Paecilomyces imidacloprid wettable powder. Wherein, the mass ratio of Verticillium lecanii bacteria powder: imidacloprid is 100:6. Toxicity test, the results are shown in Table 1.

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Abstract

The invention discloses a compound desinsection primary agent and pesticide consisting of verticillium lecanii and imidacloprid. The primary agent is a mixture of the verticillium lecanii and the imidacloprid, wherein, the mass ratio between the verticillium lecanii and the imidacloprid is 100: 5-50; while the pesticide consists of a primary agent and a secondary agent, according to mass percent,the primary main agent accounts for 5-50%, and the secondary agent 50-95%. 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 imidacloprid of the invention has good effect in preventing andcontrolling pests such as white fly, plant louse, diamond back moth and the like.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a microbial insecticide, in particular to an environmentally friendly, pollution-free and residue-free insecticide main agent and insecticide compounded with Verticillium lecanii and imidacloprid. Background technique [0002] Verticillium lecanii (Zimmermann) Viegas is an entomopathogenic fungus. As a living microbial pesticide, it has a new mechanism of action different from existing chemical insecticides, and has the characteristics of no pollution to the environment and no residue. 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 greenhouse whitefly, whitefly, aphids, thrips, etc., and has broad application prospects. [0003] Imidacloprid is a highly effici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/04A01N51/00A01P7/00A01P7/04
Inventor 黄振任顺祥
Owner SOUTH CHINA AGRI UNIV
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