内生细菌Bacillus sp.对菠菜枯萎病的防治效果研究Biocontrol Effect of Endophytic Bacillus sp. from Spinach against Fusarium oxysporum f.sp.spinaciae
吴生;张森泉;张荣;李平东;
摘要(Abstract)：
[目的]探讨内生细菌Bacillussp.对菠菜枯萎病的防病作用。[方法]就内生菌Bacillussp.对菠菜枯萎病菌平板抑制作用、不同浓度内生菌对菠菜枯萎病的防治效果及内生菌在菠菜根部的定殖位点进行研究。[结果]结果表明,浓度为1×107cfu/ml时,Bacillus sp.对菠菜枯萎病防治效果最好,且内生菌定殖在菠菜根部木质部导管中。[结论]从菠菜根部筛选出的内生细菌Bacillussp.对菠菜枯萎病有的较好防治效果,可以利用此开发具有潜在生防价值的生物制剂。
关键词(KeyWords)： 内生细菌;菠菜枯萎病;防治效果
基金项目(Foundation):
作者(Author): 吴生;张森泉;张荣;李平东;
Email:
DOI: 10.13989/j.cnki.0517-6611.2008.21.093
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