Isolation and Identification of Bacillus amyloliquefaciens IBFCBF-1 with Potential for Biological Control of Phytophthora Blight and Growth Promotion of Pepper

文献类型： 外文期刊

第一作者： Zhang, Mengjun

作者： Zhang, Mengjun;Li, Jilie;Shen, Airong;Tan, Taimeng;Shen, Airong;Tan, Shiyong;Yan, Zhun;Yu, Yongting;Xue, Zhaodong;Zeng, Liangbin

作者机构：

关键词： antagonistic bacteria;Bacillus amyloliquefaciens;biocontrol agent;Phytophthora capsici;plant growth promoting

期刊名称：JOURNAL OF PHYTOPATHOLOGY （ 影响因子：1.789； 五年影响因子：1.574 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： In this study, 76 bacterial strains were isolated from the rhizosphere soil of pepper. Of these, 23 bacterial isolates capable of inhibiting Phytophthora capsici growth were selected. Among the antagonistic bacteria, one strain, IBFCBF-1 showed the strongest antagonistic activity, and was identified as Bacillus amyloliquefaciens based on the results of 16S rRNA gene sequence analysis, physiological and biochemical testing, and morphological characteristics. When tested with a dual-culture method and with laboratory greenhouse studies, the strain IBFCBF-1 was found to be a potential biocontrol agent for controlling the plant pathogen, P.capsici. Moreover, it showed high efficiency and broad-spectrum antifungal properties invitro. Under greenhouse conditions, IBFCBF-1 could significantly promote the growth of pepper seedlings, and was able to solubilize phosphate, and produce indole acetic acid (IAA) and ammonia. This study clearly demonstrated that IBFCBF-1 is a potential candidate exhibiting phytophthora blight-suppressive and plant growth-promoting effects on pepper.

分类号： Q945

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