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Wettable powder for preventing and treating fusarium wilt of cucumber

A technology of wettable powder and cucumber wilt, applied in biocides, bactericides, biocides, etc., can solve the problems of cucumber wilt hazards, few varieties, unstable effects, etc., to overcome environmental toxic side effects and pesticide residues Problems, broad application prospects, no pesticide residue effect

Inactive Publication Date: 2015-07-01
宋巍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there are few varieties of biological control agents, the effect is not as fast as that of chemical pesticides, the effect is unstable, and the harvesting climate conditions are greatly affected, which brings harm to the biological control of cucumber wilt.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Inoculate Trichoderma longhandii ATCC52325 into the PDA culture solution, and cultivate for 2 to 5 days. During the cultivation, the temperature is controlled at 30° C. and the rotational speed is 180 rpm to obtain the Trichoderma longhandii fermentation broth. The fermentation broth was centrifuged to remove bacteria, and the supernatant was freeze-dried.

Embodiment 2

[0020] The following materials are mixed according to parts by weight: 5 parts of glycerin, 3 parts of hydroxymethylcellulose, 25 parts of diatomaceous earth, 15 parts of water, and 5 parts of freeze-dried powder of Trichoderma longifolia fermentation broth. Mix evenly, pulverize, and filter through a 30 μm sieve to obtain a wettable powder for controlling cucumber wilt.

Embodiment 3

[0022] The following materials are mixed according to parts by weight: 10 parts of ethanol, 10 parts of hydroxymethylcellulose, 35 parts of diatomaceous earth, 35 parts of water, and 15 parts of freeze-dried powder of Trichoderma longifolia fermentation broth. Mix evenly, pulverize, and filter through a 30 μm sieve to obtain a wettable powder for controlling cucumber wilt.

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PUM

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Abstract

The invention discloses wettable powder for preventing and treating fusarium wilt of cucumber. The wettable powder is prepared by the following formula components in parts by weight: 5-10 parts of a wetter, 3-10 parts of a dispersant, 25-35 parts of kieselguhr, 15-35 parts of water, and 5-15 parts of trichoderma harziamum fermentation liquor freeze-dried powder. The wettable powder disclosed by the invention overcomes the problems of environmental toxic and side effects and pesticide residue brought by chemical agents, has the characteristics of being efficient, non-toxic, safe and free of residual, and is an environment-friendly solid microbial inoculum for preventing and treating fusarium wilt of cucumber.

Description

technical field [0001] The invention belongs to the technical field of biological pesticides, in particular to a wettable powder for preventing and treating cucumber wilt. Background technique [0002] Cucumber wilt, also known as wilting disease, vine cutting disease, dead seedling disease, is a systemic disease (catheter type wilt) that is transmitted by soil, invades from roots or root necks, and parasitizes in vascular bundles. It is one of the most difficult diseases to prevent and control in production, often causing great losses. The pathogenic bacteria of cucumber wilt is Fusarium genus Fusarium. The pathogen overwinters in soil, diseased plant residues, and immature farmyard manure or attached to seeds, and becomes the source of infection at the beginning of the next year. It can be spread over long distances with the help of rainwater and irrigation water. In recent years, Fusarium wilt caused by F.oxysprorum Schlecht. has risen to be one of the main diseases of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N25/14A01P3/00
Inventor 宋巍
Owner 宋巍
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