Bacillus subtilis strain and application thereof

A Bacillus subtilis, strain technology, applied in the application, bacteria, fungicides and other directions, can solve problems such as narrow control spectrum, and achieve the effect of strong inhibitory activity
CN1952117AInactive Publication Date: 2007-04-25LANZHOU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LANZHOU UNIVERSITY
Publication Date
2007-04-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a strain of Bacillus subtilis as well its application. The bacterium is separated from the soil on lily fields, fanjiaping, Lanzhou, Gansu. The bacterium is identified to be Bacillus-subtilis. It's preserved in the Chinese typical culture preserving center (CCTCC) with a preserving name of Bacillus-subtilis M22BH3 and preserving code of M206028. The broth of M22BH3 and M22BH3 strain, non-cell culture fluid of M22BH3 strain's broth, and the monomer extracted from the M22BH3 strain, M22BH3 broth or its non-cell culture fluid can be used in the biological control of peach anthracnose bacterium, pear nigrities artis bacterium, apple brown rot bacterium, Fusarium acuminatum, Fusarium oxysporum, Fusarium semitectum, chilli black rot bacterium, cucumber blight bacterium, tomato early blight bacterium, eggplant early blight bacterium, dry thread Pyrenomycetes, wheat foot rot bacterium, potato thread Pyrenomycetes, potato early blight bacterium, potato late blight bacterium and watermelon downy mildew bacterium. It's easy to get the material of the invention and easy to operate; besides, it can be widely used in full scale production.
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Description

technical field

[0001] The invention relates to a newly screened Bacillus subtilis, which is preserved in China Center for Type Culture Collection CCTCC, with preservation name Bacillus-subtilis M22BH3 and preservation number M206028. The strain is isolated from the soil of the lily field in Fanjiaping, Lanzhou City, Gansu Province. It has a significant inhibitory effect on the growth of pathogenic fungi that can cause plant diseases, is non-toxic to humans and animals, and is friendly to the ecological environment. It can be prepared into biological pesticide products. Background technique

[0002] In 1921, Hartely used antagonistic fungi to control cotton seedling damping-off (Pythium debaryanum), which was the beginning of people using antagonistic microorganisms to control plant diseases [1] . Subsequently, countries around the world have conducted extensive research on this emerging field, trying to screen out antagonistic microorganisms for the control of plant diseas...

Claims

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