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Mixed insecticide of aschersonia aleyrodis webb. and high-efficiency cypermethrin

A technology of high-efficiency cypermethrin and A. whitefly, which is applied in the field of pesticides, can solve problems such as undiscovered, achieve good control effects, delay the occurrence of pest resistance, and have strong infection and insecticidal effects

Inactive Publication Date: 2008-12-10
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, no compound insecticides related to A. whitefly and beta-cypermethrin have been found.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: 30% Aspera whitefly beta-cypermethrin suspension concentrate (diluted 2000 times)

[0018] Part A is 60% A. whitefly conidia suspension: 60% A. whitefly A. whitefly conidia powder is dissolved in 0.21M phosphate buffer and 10% glycerol mixture, pH 7.0, Store at 4-8°C.

[0019] Part B is wettable powder: 4.5% EC beta-cypermethrin (commercially available) 8%, Tween-8020%, sodium lignosulfonate 6%, wetting agent LX 4%, add clay to make up to 100%.

[0020] Part A and Part B each account for 50%, and the two parts are directly mixed to obtain 30% A. whitefly beta-cypermethrin suspension concentrate, and the mass ratio of A. whitefly: beta-cypermethrin is 100:0.6. The results of the toxicity test are shown in Table 1.

Embodiment 2

[0021] Embodiment 2: 50% Ascocystis whitefly beta-cypermethrin oil (diluted 2000 times)

[0022] Whitefly Ascospora powder (10 10 Individual / g) 50%, 4.5% EC beta-cypermethrin 4% (commercially available), Tween-80 5%, paraffin oil 23%, methyl green 2%, add diatomaceous earth and mend to 100%, make 50% Whitefly Ascospora beta-cypermethrin oil. Wherein, the mass ratio of Ascospora whitefly: beta-cypermethrin is 100:0.36. The results of the toxicity test are shown in Table 1.

Embodiment 3

[0023] Embodiment 3: 60% Ascocystis whitefly beta-cypermethrin wettable powder (diluted 2000 times)

[0024] Whitefly Ascospora powder (10 10 per g) 60%, 4.5% EC beta-cypermethrin 4% (commercially available), methyl green 2%, Tween-80 10%, sodium lignosulfonate 3%, wetting agent LX 2%, kaolin supplement to 100%, prepared 60% A. whitefly beta-cypermethrin wettable powder. Wherein, the mass ratio of Ascospora whitefly powder: beta-cypermethrin is 100:0.3. The results of the toxicity test are shown in Table 1.

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PUM

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Abstract

The invention discloses an insecticide compounded by aschersonia aleyrodis and Alpha-cypermethrin, which consists of a main agent and an auxiliary agent. According to the mass percentage, the main agent occupies 32-61% and the auxiliary agent occupies 39-68%; the main agent is the mixture of the aschersonia aleyrodis and the Alpha-cypermethrin with the mass proportion of 100:0.1-0.6; the auxiliary agent is stabilizer, assisting agent and filling material. The compounded insecticide of the invention can be processed into wettable powder, suspension agent or oil agent; according to long-term infection biological study and indoor biological testing, the aschersonia aleyrodis has extremely strong infection insecticidal effects on a plurality of pests, especially for the pests of piercing-sucking mouthpart. The compounded agent of the invention has excellent control effects on the pests such as whitefly, aphid, etc.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a biological insecticide, in particular to an environmentally friendly, pollution-free and residue-free compound insecticide of Ascospora whitefly and beta-cypermethrin. Background technique [0002] Aschersonia aleyrodis Webber is an entomopathogenic 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 residue. It can be used as a It is an alternative control drug for controlling some insects that are resistant to Bt. A. whitefly has a wide distribution and has a good control effect on piercing and sucking mouthparts pests such as aphids and whitefly. The development and utilization of A. whitefly Spores have important economic significance and broad application prospects. [0003] Beta-cypermethrin (beta-cypermethrin) is a pyrethroid insecticide w...

Claims

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Application Information

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