刘邮洲;常有宏;魏本强;刘永峰;陈志谊;

• 1:江苏省农业科学院植物保护研究所

摘要(Abstract)：

采集南京、连云港、高邮3地梨园病叶、病果、健叶、健果、病枝、健枝和土壤样本90份,分离纯化后得到871个细菌分离物,对其进行梨轮纹病菌菌丝生长的皿内抑制试验,共获得21株拮抗能力较强的细菌,其中拮抗性能最好的细菌sf 628抑菌圈直径达45 mm,抑制率达59.21%。梨果接种试验结果表明,21株拮抗能力较强的细菌中有5株拮抗细菌对梨轮纹病菌引起的病斑扩展抑制率大于50%,其中菌株sf 628抑制率达60.61%。进一步的理化特性和分子鉴定结果表明,菌株sf 628为枯草芽孢杆菌枯草亚种。

关键词(KeyWords)： 梨;拮抗细菌;筛选;抑制率;鉴定

Abstract:

Keywords:

基金项目(Foundation): 江苏省农业科技自主创新资金项目(CX07117)

作者(Author): 刘邮洲;常有宏;魏本强;刘永峰;陈志谊;

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DOI:

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