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Mixture of azadirachtin and ginsenoside Rb1 and application thereof

A technology of ginsenoside and azadirachtin, applied in the application, biocide, pest control and other directions, can solve the problems of threatening the health of other organisms, high content of active ingredients, limited insecticidal effect, etc. The effect of reducing the dosage

Inactive Publication Date: 2020-06-09
YANGZHOU POLYTECHNIC INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing pesticides have a high content of effective insecticidal active ingredients, which threaten the health of other organisms and have limited insecticidal effects. It is urgent to develop a more efficient pest pesticide

Method used

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  • Mixture of azadirachtin and ginsenoside Rb1 and application thereof
  • Mixture of azadirachtin and ginsenoside Rb1 and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of azadirachtin and ginsenoside Rb 1 The preparation method of suspension comprises the following steps: 0.2 part of azadirachtin, ginsenoside Rb 1 10 parts, 0.5 parts of xanthan gum as a tackifier, 1 part of pyrogallol as a stabilizer, 1 part of silicone oil as a defoamer, 1 part of ethylene glycol as an antifreeze agent, 10 parts of mineral oil solvent, 5 parts of calcium lignosulfonate as a dispersant parts, mixed evenly in proportion, and placed in a ball mill for ball milling for 3.5 hours, so that the particle size of the pesticide particles was all below 4 μm.

[0017] Among them, the viscosifier xanthan gum can be replaced by heteropolysaccharide, methyl cellulose, gum arabic, guar gum, sodium alginate, carrageenan, pectin, polyvinyl alcohol, magnesium aluminum silicate one or more.

Embodiment 2

[0019] A kind of azadirachtin and ginsenoside Rb 1 The preparation method of suspension concentrate comprises the following steps: 0.6 part of azadirachtin, ginsenoside Rb 1 30 parts, 10 parts of thickening agent heteropolysaccharide, 10 parts of stabilizer butyl glycidyl ether, 10 parts of silicone defoamer, 8 parts of antifreeze glycerin, 70 parts of vegetable oil solvent, 20 parts of dispersant sodium polyacrylate , mixed evenly in proportion, placed in a ball mill for ball milling for 4 hours, so that the particle size of the pesticide particles is all below 4 μm.

[0020] Among them, the stabilizer butyl glycidyl ether can be replaced by pyrogallol, phenyl glycidyl ether, cresyl glycidyl ether, polyvinyl glycol diglycidyl ether, epichlorohydrin, sodium sorbate, sodium benzoate , one or more of epoxidized soybean oil, linseed oil, and soluble starch.

Embodiment 3

[0022] A kind of azadirachtin and ginsenoside Rb 1 The preparation method of suspension comprises the following steps: 0.4 part of azadirachtin, ginsenoside Rb 1 20 parts, 5.5 parts of thickener methyl cellulose, 5.5 parts of defoamer C10 saturated fatty acid (defoamer can be replaced by any one of C10-20 saturated fatty acid), 4.5 parts of antifreeze propylene glycol, vegetable oil esterification 40 parts of solvent, 13 parts of sodium lauryl sulfate as dispersant, mixed uniformly in proportion, placed in a ball mill and ball milled for 3.7 hours, so that the particle size of all pesticide particles is below 4 μm.

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Abstract

The invention discloses a mixture of azadirachtin and ginsenoside Rb1 and an application of the mixture. The mixture is prepared from the following substances in parts by weight: 0.2 to 0.6 part of azadirachtin, 10 to 30 parts of ginsenoside Rb1, 0.5 to 10 parts of a tackifier, 1 to 10 parts of a stabilizer, 1 to 10 parts of a defoaming agent, 1 to 8 parts of an antifreezing agent, 10 to 70 partsof a grease solvent and 5 to 20 parts of a dispersing agent. A thickening agent is at least one of xanthan gum, heteropolysaccharide, methyl cellulose, Arabic gum, guar gum, sodium alginate, carrageenan, pectin, polyvinyl alcohol and magnesium aluminum silicate. The application is the application of the mixture of azadirachtin and ginsenoside Rb1 in prevention and treatment of plutella xylostellalarvae. After azadirachtin and ginsenoside Rb1 are reasonably mixed, the drug resistance of pests can be overcome, and the dosage is reduced; azadirachtin and ginsenoside Rb1 have the advantages of being efficient and environmentally friendly.

Description

technical field [0001] The invention belongs to the field of biological pesticides, specifically a kind of azadirachtin and ginsenoside Rb 1 Mixtures and their applications. Background technique [0002] For a long time, the extensive use of chemical pesticides has led to increased resistance of pests, decreased control efficiency, and damaged the ecological environment. In order to control the outbreak of pests and protect the ecological environment, the development of suitable new pesticides has always been a hot topic in the field of plant protection. The development of new biopesticides is one of the important methods to alleviate drug resistance and enhance drug efficacy, especially the combination of biopesticides, which can not only make use of the advantages of both, but also make up for their respective shortcomings. Biopesticide compounding is a hotspot in the research and development of new pest control products, and it is also the main way to develop alternativ...

Claims

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Application Information

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IPC IPC(8): A01N45/00A01N43/16A01N43/90A01P7/00A01P7/04A01P17/00A01P15/00A01P23/00
CPCA01N43/16A01N43/90A01N45/00
Inventor 金党琴龚爱琴王珍吴耀月段汶君
Owner YANGZHOU POLYTECHNIC INST
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