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草业学报  2014 

放线菌D01对马铃薯4种病原真菌的抑菌作用

DOI: 10.11686/cyxb20140544, PP. 365-369

Keywords: 放线菌,病原真菌,马铃薯,抑菌活性

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Abstract:

采用PDA平板对峙法、生长速率法等方法,研究了放线菌D01对马铃薯干腐病菌、马铃薯黑痣病菌、马铃薯炭疽病菌和马铃薯早疫病菌4种病原真菌的抑菌活性。结果表明,放线菌D01对4种病原真菌均表现出显著的抑菌活性,发酵液抑菌率均在70%以上;经放线菌处理后,病原真菌的基内菌丝不同程度的发生了畸变;放线菌D01对供试靶标真菌均有显著的拮抗作用,其中对马铃薯干腐病菌和马铃薯黑痣病菌的持续抑菌作用最强。

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