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

A technology of Paecilomyces fumigatus and abamectin, which is applied in the field of pesticides, can solve the problems of not finding Paecilomyces fumigatus and abamectin, etc., and achieves delaying the resistance of pests, excellent control effect and strong control effect. The effect of infestation insecticidal effect

Inactive Publication Date: 2011-06-22
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 a mixture of 0.21M phosphate buffer and 10% glycerol, pH 7.0 , and stored at 4-8°C.

[0019] Part B is wettable powder: 1.8% abamectin (commercially available) 10%, Tween-8020%, sodium lignosulfonate 6%, wetting agent LX 4%, and 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 avermectin suspension. The virulence test results are shown in Table 1.

Embodiment 2

[0021] Embodiment 2: 50% rose smoky Paecilomyces avermectin oil (diluted 2000 times)

[0022] Rose Smoke Paecilomyces Powder (10 10 pcs / g) 50%, 1.8% abamectin 10% (commercially available), Tween-80 5%, paraffin oil 23%, methyl green 2%, add diatomaceous earth to make up to 100%, to prepare 50 % Paecilomyces avermectin oil. Wherein, the mass ratio of Paecilomyces roseus powder:Avermectin is 100:0.36. The virulence test results are shown in Table 1.

Embodiment 3

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

[0024] Rose Smoke Paecilomyces Powder (10 10 pcs / g) 60%, 1.8% abamectin 5% (commercially available), methyl green 2%, Tween-80 5%, paraffin oil 23%, kaolin to make up to 100%, to obtain 60% rose smoke Paecilomyces versicolor abamectin oil. Wherein, the mass ratio of Paecilomyces roseus powder:Avermectin is 100:0.15. The virulence test results 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 in particular relates to a biological pesticide, in particular to an environmentally friendly, pollution-free and residue-free compound pesticide of Paecilomyces rosacea and avermectin. Background technique [0002] Paecilomyces fumosoroseus (Wize) Brown & Smith is an entomopathogenic fungus. As a living biological pesticide, it has a new mechanism of action that is different from existing chemical pesticides, and has no pollution to the environment and no residue. It can be used as an alternative control drug for controlling some insects that are resistant to Bacillus thuringiensis (Bt). The development and utilization of Paecilomyces fumigatus has important economic significance. Paecilomyces rosacea is widely distributed, and has good control effect and broad application prospects for aphids, Bemisia tabaci, diamondback moths, etc. [0003] Abamectins is a nerve agent that acts on inse...

Claims

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Application Information

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