Biocontrol coniothyrium minitans Chy-1C-1 suspending agent for preventing and treating sclerotinia rot, and its preparation and application

A technology of chy-1c-1 and shell mold, which is applied in the direction of application, biocide, fungicide, etc., can solve the problems of unreported production technology, achieve environmental friendliness, improve suspension stability, and stabilize product quality.
CN102408995AInactive Publication Date: 2012-04-11HUAZHONG AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUAZHONG AGRI UNIV
Publication Date
2012-04-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention specifically relates to separation and screening of a biocontrol coniothyrium minitans strain for preventing and treating sclerotinia rot, a suspending agent prepared from the strain and application of the same, belonging to the technical field of microbial pesticides. The strain of coniothyrium minitans Chy-1C-1 is preserved in China Center for Type Culture Collection and is assigned the accession number of CCTCC No. M2010238. The suspending agent is prepared by mixing bacteria-containing spore liquid produced through solid fermentation of the strain of coniothyrium minitans Chy-1C-1 with a wetting dispersant, a viscosity conditioning agent, an antiseptic, an anti-freezing agent and an anti-foaming agent. The invention also provides a preparation method for the suspending agent and application of the suspending agent of coniothyrium minitans Chy-1C-1 in preventing and treating sclerotinia rot of rape. The strain of coniothyrium minitans Chy-1C-1 and the suspending agentthereof in the invention have a good biocontrol effect on sclerotinia rot of rape.
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Description

Technical field

[0001] The present invention belongs to the technical field of microbial pesticides, and specifically relates to the selection and breeding of a biocontrol bacteria Chy-1C-1 strain of Conidia sclerotiorum for preventing and treating sclerotinia, a microbial preparation containing the strain, that is, a suspension, and a preparation method and application thereof. Background technique

[0002] Rapeseed sclerotinia disease caused by Sclerotinia sclerotiorum (Lib.) de Bary is an important disease with worldwide distribution (Purdy, 1979). This pathogen poses a great threat to the yield and quality of some important economic crops such as rapeseed, soybean, sunflower, lettuce and other crops. Sclerotinia sclerotiorum caused by sclerotinia sclerotiorum is also an important disease on rapeseed in my country, especially in the Yangtze River Basin and the southeast coastal rapeseed producing areas. The incidence rate is 10%-30% in general years, and can reach more than 8...

Claims

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