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Mixed insecticide of paecilomyces fumosa-roseus brown et smith and avermectin

A technology of Paecilomyces fumigatus and avermectin, which is applied in the field of pesticides, can solve the problems of Paecilomyces fumigatus and abamectin not found, and achieve the purpose of delaying insecticide resistance, good control effect, and strong The effect of infestation insecticidal effect

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

There is no compound insecticide related to Paecilomyces fumigatus and abamectin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: 20% Paecilomyces avermectin suspension (diluted 2000 times)

[0018] Part A is 40% Paecilomyces fumigatus conidia suspension: 40% Paecilomyces fumigatus conidia powder is dissolved in 0.21M phosphate buffer and 10% glycerin mixture, pH7.0 , Store at 4-8°C.

[0019] Part B is wettable powder: 1.8% abamectin (commercially available) 10%, Tween-80 20%, sodium lignosulfonate 6%, wetting agent LX 4%, add pottery 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 20% Paecilomyces abamectin suspension concentrate, and the mass ratio of Paecilomyces fumigatus: abamectin is 100:0.45. The results of the toxicity test are shown in Table 1.

Embodiment 2

[0021] Embodiment 2: 50% Paecilomyces fumigatus abamectin oil (diluted 2000 times)

[0022] Rose smoke Paecilomyces powder (10 10 Individual / g) 50%, 1.8% Abamectin 10% (commercially available), Tween-80 5%, paraffin oil 23%, methyl green 2%, add diatomaceous earth and mend to 100%, make 50 % Paecilomyces abamectin oil. Wherein, the mass ratio of Paecilomyces fumigatus powder: abamectin is 100:0.36. The results of the toxicity test are shown in Table 1.

Embodiment 3

[0023] Embodiment 3: 60% Paecilomyces abamectin oil (diluted 2000 times)

[0024] Rose smoke Paecilomyces powder (10 10 Individual / g) 60%, 1.8% abamectin 5% (commercially available), methyl green 2%, Tween-80 5%, paraffin oil 23%, kaolin fills up to 100%, and makes 60% rose smoke Paecilomyces abamectin oil. Wherein, the mass ratio of Paecilomyces fumigatus 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 an insecticide compounded by paecilomyces fumosoroseus and avermectin, which consists of a main agent and an auxiliary agent. According to the mass percentage, the main agent occupies 20-60% and the auxiliary agent occupies 40-80%; the main agent is the mixture of the paecilomyces fumosoroseus and the avermectin with the mass proportion of 100:0.1-0.5; 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 paecilomyces fumosoroseus has extremely strong infection insecticidal effects on a plurality of pests, especially for the pests of piercing-sucking mouthpart. The compounded insecticide of the invention has excellent control effects on the pests such as diamondback moth, aphid, whitefly, and the like, and has a certain control effect on mites.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and specifically relates to a biological insecticide, in particular to an environmentally friendly, pollution-free, and residue-free compound insecticide of Paecilomyces fumigatus and abamectin. Background technique [0002] Paecilomyces fumosoroseus (Wize) Brown & Smith is an entomopathogenic fungus. As a living biopesticide, it has a new mechanism of action different from existing chemical insecticides, has no pollution to the environment, and has no residues. It can be used as an alternative control drug to control some insects resistant to Bacillus thuringiensis (Bt), and the development and utilization of Paecilomyces fumigatus has important economic significance. Paecilomyces fumigatus is widely distributed, and has good control effects and broad application prospects on aphids, whitefly, diamondback moth, etc. [0003] Abamectins is a kind of nerve agent, which acts on insect neuronal ...

Claims

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Application Information

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