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Novel biopesticide capable of efficiently controlling asparagus stem blight

A technology of asparagus stem blight and biopesticide, which is applied in the field of agricultural biological control, can solve the problems of reducing asparagus production efficiency, affecting food safety, and excessive pesticide residues, so as to quickly suppress stem blight, improve food safety, and reduce pesticide residues Effect

Active Publication Date: 2019-03-22
INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, the control of asparagus stem blight in the prior art is mainly based on chemical agents, and the new biological agents are mainly used to prevent the onset of asparagus stem blight, and the control effect on asparagus stem blight that has already occurred is relatively low. less, which will easily cause excessive pesticide residues, affect food safety, and reduce the production efficiency of asparagus

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A new biopesticide for effectively preventing and treating asparagus stem blight, made of the following raw materials by weight: 15 parts of chitosan oligosaccharide, 30 parts of active extract of Chinese herbal medicine, 25 parts of carbendazim, 10 parts of surfactant, and 150 parts of water ;

[0032] The above-mentioned preparation method of a novel biopesticide for efficiently preventing and treating asparagus stem blight comprises the following steps:

[0033] 1) taking by weighing the chitosan oligosaccharide, carbendazim, active extract of Chinese herbal medicine, surface active agent and water;

[0034] 2) Put the oligochitosaccharide, carbendazim, and surfactant weighed in step 1) into the water of the formula amount, and stir until completely dissolved;

[0035] 3) Put the active extract of Chinese herbal medicine in the formula into the solution prepared in step 2), and stir evenly to obtain a new type of biopesticide for effectively preventing and treating ...

Embodiment 2

[0038] A new biopesticide for effectively preventing and treating asparagus stem blight, made of the following raw materials in weight fractions: 16 parts of chitosan oligosaccharides, 32 parts of active extracts of Chinese herbal medicines, 30 parts of carbendazim, 15 parts of surfactants, and 200 parts of water ;

[0039]The preparation method and application method are the same as in Example 1.

Embodiment 3

[0041] A new biopesticide for effectively preventing and treating asparagus stem blight, made of the following raw materials in weight fractions: 12 parts of chitosan oligosaccharide, 25 parts of active extract of Chinese herbal medicine, 20 parts of carbendazim, 8 parts of surfactant, and 100 parts of water ;

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Abstract

The invention discloses a green and environmental-friendly novel biopesticide capable of efficiently controlling asparagus stem blight and belongs to the technical field of agricultural biological control. The novel biopesticide is composed of the following raw materials in parts by weight: 10-20 parts of chitosan oligosaccharides, 20-40 parts of a traditional Chinese herbal medicine active extract, 10-40 parts of carbendazim, 8-15 parts of a surfactant and 100-200 parts of water. By virtue of synergistic effects of the chitosan oligosaccharides, the carbendazim and the traditional Chinese herbal medicine active extract, the effects of obviously controlling the asparagus stem blight and improving the asparagus production capacity can be achieved; the novel biopesticide is safe and green, does not cause environmental pollution, and is favorable for sustainable development of the asparagus planting industry.

Description

technical field [0001] The present invention relates to a novel biopesticide method for efficiently preventing and treating asparagus stem blight, in particular to a biopesticide for efficiently preventing and treating asparagus stem blight prepared by comprehensively utilizing chitosan oligosaccharides, Chinese herbal medicine extracts and carbendazim, which belongs to agricultural biological Prevention technology field. Background technique [0002] Asparagus (scientific name: Asparagus officinalis), also known as Asparagus officinalis, is a perennial herb of the family Asparagus (Asparagus genus), and its tender seedlings can be eaten as vegetables. It has the reputation of "the king of vegetables" in the international market. Asparagus has high nutritional value, can nourish the lungs, relieve cough, eliminate phlegm, and has the functions of inhibiting tumor growth, so it is deeply loved by people. In recent years, with the expansion of asparagus cultivation area, the ...

Claims

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Application Information

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IPC IPC(8): A01N65/20A01N47/18A01N43/16A01P3/00
CPCA01N43/16A01N47/18A01N65/00A01N65/08A01N65/10A01N65/20
Inventor 杨迎青兰波孙强陈洪凡夏裕辉陈建李小美李国欣吴海燕黄嘉佳李湘民
Owner INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI