Mixed biological pesticide containing nimbin

A biological pesticide, azadirachtin technology, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of polluted crops, small use range, and large environmental hazards, and achieve low environmental pollution and product cost. Low, high absorption effect

Inactive Publication Date: 2005-07-20
XIAN MODERN CHEM RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most fatal shortcoming of emulsifiable concentrate preparations is that toxic toluene, xylene, etc. are used as solvents without exception.
It is harmful to the environment and pollutes crops
Chinese patent application publication number CN1337156A reports that a kind of " azadirachtin microemulsion and preparation method thereof " has the advantages of using water as a base, no pollution, and low cost. limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0072] 1. The present invention is implemented with reference to the following mass percentage composition

[0073] Azadirachtin 3

[0074] Abamectin 0.5

[0075] Nonylphenol ethoxylates and

[0076] Styrene polyoxyethylene ether ammonium sulfate 10

[0077] Acetone 10

[0078] Ethylene glycol 1

[0079] Butyl glycidyl ether 5

[0080] Sesame oil 0.7

[0081] Pyridine 0.3

[0082] water 69.5

[0083] The ratio of nonylphenol polyoxyethylene ether with polymerization degree n of 8-10 to styrene polyoxyethylene ether ammonium sulfate with polymerization degree n of 8-10 is 3:2.

[0084] In the preparation method of the present invention, azadirachtin and other biopesticide components and emulsifiers are placed in the reactor at room temperature and fully stirred for 40 minutes to make them evenly mixed, and then sequentially add cosolvent, synergist, stabilizer and pH regulator , after it is mixed evenly, add water, stir for 50 minutes to make all components mix evenly,...

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PUM

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Abstract

The present invention provides a compound biological pesticide containing nimbin. Said invention adopts zodium lauryl sulfate, polyoxyethylated alkylphenol, ammonium styrene polyoxyethylene ether sulfate and sodium alkene ethyl sulfate as emulsifying agent. The composition of said compound biological pesticide contains (by mass%) nimbin 0.2-5, biological pesticide 0.5-8, emulsifying agent 5-20 cosolvent 5-15, antifreezing agent 0.5-2, stabilizing agent 3-5, synergistic agent 0.2-1.5, pH value regulating agent 0.1-0.5 and water 45-70. It is a transparent liquid microemulsion agent, can be used for controlling various injurious insects.

Description

technical field [0001] The invention is a biological pesticide containing azadirachtin, which belongs to mixed biological pesticide and is mainly used for preventing and controlling various pests. Background technique [0002] Due to the extensive and extensive use of chemically synthesized pesticides, they pollute the environment and crops, posing a serious threat to human health, and pests that use crops for a long time will also develop resistance to pesticides. In order to prevent the spread of pests caused by pest resistance, the environmental protection laws of various countries strictly require the reduction of the application of chemically synthesized pesticides, and the development of biologically active biopesticides has become an important research direction for pesticide companies in various countries to develop pollution-free pesticides. Judging from the development status at home and abroad, because biopesticides have natural bioactive components, their main ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N53/00
Inventor 贺宪民杨毅葛忠学刁小强齐岩赵建平
Owner XIAN MODERN CHEM RES INST
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