Research on New Antagonistic Prote in L37 against Fusarium oxysporum

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (6): 1102-1104.

• 研究报告 • Previous Articles Next Articles

Research on New Antagonistic Prote in L37 against Fusarium oxysporum

Zheng Aiping;Yan Min;Li Ping;Tan Furong;Zheng Xiuli;Li Zhuang

(Sichuan Provincial Center for Agri-Biotech Research, Chengdu 611130, China)

Received:2005-03-21 Revised:2005-05-16 Online:2005-12-25 Published:2005-12-25

Abstract

Abstract: Bacillus subtilis inhibiting cucumberwither pathogen was screened from soil. After fermenting, 15 kD antagonistic protein named L37 was got through DEAE-fibrin, Sephadex G-100 chomatography, which proved purified completely through SDS-PAGE. It was probably a new type of antagonistic p rotein against
pathogen by the sequence on the amino N-terminal testing, which could make the normal hypha of pathogen distort, split and inhibit. The control effect could reach 90% against cucumberwither pathogen and improved the yield in field controlling test by fermenting products.

Key words: Cucumber, Cucumber wither, Bacillus subtilis, Antagonistic protein, Controlling

CLC Number:

S 642.2

Zheng Aiping;Yan Min;Li Ping;Tan Furong;Zheng Xiuli;Li Zhuang. Research on New Antagonistic Prote in L37 against Fusarium oxysporum[J]. ACTA HORTICULTURAE SINICA, 2005, 32(6): 1102-1104.

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Research on New Antagonistic Prote in L37 against Fusarium oxysporum

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