Bacillus subtilis 203 and applications thereof

A technology for Bacillus subtilis and banana Fusarium wilt, applied in the application, bacteria, fungicides and other directions, can solve problems such as weak technology and blank, and achieve the effects of fast reproduction, easy preservation, and broad antibacterial spectrum.
CN101550402AInactive Publication Date: 2009-10-07SOUTH CHINA AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CHINA AGRI UNIV
Publication Date
2009-10-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a bacillus subtilis 203 which is preserved by China Center for Type Culture Collection (CCTCC) of Wuhan University at Luojiashan mountain of Wuchang of Wuhan city in Hubei province, with the preservation number of CCTCC No: M207094. The invention also discloses a preparation method and applications thereof. The bacillus subtilis 203 is obtained by slab antagonism and pot experiment screening, can effectively inhibit the growth of fusarium axysporum of banana, has wide antimicrobial spectrum, has antagonistic effect to various pathogenic fungi such as fusarium vasinfectum, verticillium dahliae kleb, fusarium axysporum of watermelon, fusarium axysporum of tomato, curvularia lunata or colletotrichum musae and the like, and has the advantages of good environment safety performance and excellent development and application prospects.
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Description

technical field

[0001] The invention relates to the field of plant protection, in particular to an endogenous biocontrol bacterial strain, in particular to a bacillus subtilis 203 for efficiently preventing and controlling banana wilt and its application. Background technique

[0002] Banana Fusarium wilt is a devastating disease caused by the infection of Fusarium oxysporum f.sp.cubense, and it is a devastating soil-borne disease of banana production. The pathogen invades from the injured rhizome, spreads to the pseudostem and leaves through the vascular bundle, and blocks the xylem vessel until the plant withers and dies. Fusarium wilt of banana is a soil-inhabiting fungus, and its chlamydospores can survive in the soil for 8 to 10 years. Banana Fusarium wilt is distributed in many counties and cities in the banana production area of ​​the Pearl River Delta, and it has developed rapidly in recent years. The rate of diseased plants in the diseased garden is generally abou...

Claims

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