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Compound desinsection primary agent and pesticide consisting of verticillium lecanii and beta-cypermethrin

A technology of high-efficiency cypermethrin and Verticillium cerevisiae, applied in the field of pesticides, can solve problems such as undiscovered, achieve good control effect, reduce pesticide residues, and have no environmental pollution effects

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

No compound insecticides related to Verticillium lecanii and beta-cypermethrin have been found so far

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: 20% Verticillium lecanii beta-cypermethrin oil (diluted 1000 times during use)

[0024] Verticillium lecanii powder (10 10 A / g) 20%, beta-cypermethrin 3%, methyl green 2%, Tween-80 5%, paraffin oil 23%, kaolin supplemented to 100%, made 50% Verticillium lecanii beta-cypermethrin oil. Wherein, the mass ratio of Verticillium lecanii bacteria powder: beta-cypermethrin is 100:15. The results of the toxicity test are shown in Table 1.

Embodiment 2

[0025] Embodiment 2: 5% Verticillium lecanii beta-cypermethrin suspension concentrate (diluted 1000 times during use)

[0026] 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, adjust pH to 7.0 , Store at 4-8°C.

[0027] Part B is wettable powder: beta-cypermethrin 5.0%, Tween-80 20%, sodium lignosulfonate 6%, dispersant NNO 4%, add clay to make up to 100%.

[0028] Part A and part B respectively account for 50%, and the two parts are directly mixed to obtain 5% Verticillium lecanii beta-cypermethrin suspension concentrate, and the mass ratio of Verticillium lecanii:beta-cypermethrin is 100:50. The results of the toxicity test are shown in Table 1.

Embodiment 3

[0029] Embodiment 3: 50% Verticillium lecanii beta-cypermethrin wettable powder (diluted 1000 times during use)

[0030] Verticillium lecanii powder (10 10 Individual / g) 50%, beta-cypermethrin 3%, saponin 14%, Tween-80 10%, add potter's clay and mend to 100%, make 50% Paecilomyces beta-cypermethrin wettable powder. Wherein, the mass ratio of Verticillium lecanii bacteria powder: beta-cypermethrin is 100:6. The results of the toxicity test 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 beta-cypermethrin. The primary agent is a mixture of the verticillium lecanii and the alpha cypermethrin, wherein, the mass ratio between the verticillium lecanii and the alpha cypermethrin is 100:5-50; while the pesticide consists of a primary agent and a secondary agent, according to mass percent, the primary 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 pests in particular. The compound pesticide consisting of the verticillium lecanii and the beta-cypermethrin of the invention has goodeffect in preventing and controlling 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 specifically relates to a microbial insecticide, in particular to an environmentally friendly, pollution-free, and residue-free insecticide main agent and insecticide compounded with beta-cypermethrin. Background technique [0002] Verticillium lecanii (Zimmermann) Viegas is an entomopathogenic fungus. As a living biopesticide, 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. , can be used as an alternative control drug to control some insects resistant to Bacillus thuringiensis (Bt), and the development and utilization of Verticillium lecanii has important economic significance. Verticillium lecanii is widely distributed, and has good control effects on whitefly, greenhouse whitefly, aphids, thrips, etc., and has broad application prospects. [0003] Beta-cypermethrin (beta-cyper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/04A01N53/08A01P7/00A01P7/04
Inventor 任顺祥黄振
Owner SOUTH CHINA AGRI UNIV
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