小麦全蚀病拮抗细菌Z0-j的鉴定及其生防潜力评估-《江苏农业科学》

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Title:: Identification of antagonistic bacteria Z0-j against wheat take-all disease and its biocontrol potential evaluation

作者:: 李正鹏¹; 苏皖平¹; 杨威¹; 宋虎卫¹; 顾大路²; 刘廷武¹; 罗玉明¹; 1.江苏省环洪泽湖生态农业生物技术重点实验室/淮阴师范学院生命科学学院，江苏淮安 223300；2.江苏徐淮地区淮阴农业科学研究所，江苏淮安 223001

Author(s):: Li Zhengpeng; et al

关键词:: 小麦全蚀病; 假单胞菌; 内生细菌; 生物防治; 稳定性

Keywords:: -

分类号:: S435.121.4⁺9；S476.1

DOI:: -

文献标志码:: A

摘要:: 为获得针对小麦全蚀病的优质生防资源，从16S rDNA序列分析、抑菌效果及显微观察、活性物质稳定性等方面鉴定和评估内生细菌Z0-j及其生防潜力。结果显示，内生细菌Z0-j为铜绿假单胞菌(Pseudomonas aeruginosa)，对靶标菌禾顶囊壳小麦变种(Gaeumannomyces graminis var.tritic)拮抗效果明显，引致靶标菌菌丝畸形、顶端膨大、原生质外渗、细胞膜透性增强的现象。同时，菌株Z0-j活性物质对温度、pH值、紫外光照、超声波以及蛋白酶等外界因素有良好的耐受性。由此可见，内生细菌Z0-j是一株对小麦全蚀病具备良好开发潜力的生防菌株。

Abstract:: -

参考文献/References:

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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

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