DIVERSITY OF CULTURED ENDOPHYTE AND RHIZOSPHERE BACTERIA ASSOCIATED WITH PANAX GINSENG AND SCREENING OF THEIR ANTIFUNGAL ACTIVITY
文献类型： 外文期刊
作者： Jiang, Yun 1 ; Yang, Dong 2 ; Chen, Lin 1 ; Zhu, Hangyong 4 ; Tian, Lei 1 ; Liu, Lin 1 ; Yin, Wang 1 ; Wang, Runlin 2 ; Chen 1 ;
作者机构： 1.Jilin Agr Univ, Coll Life Sci, Changchun 130118, Jilin, Peoples R China
2.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Jilin, Peoples R China
3.Jilin Acad Agr Sci, Key Lab Integrated Pest Management Crops Northeas, Changchun 130118, Jilin, Peoples R China
4.Guangdong Acad Forestry, Guangdong Prov Key Lab Silviculture Protect & Uti, Guangzhou 510520, Guangdong, Peoples R China
关键词： Panax ginseng; endophyte bacteria; rhizosphere bacteria; ginseng diseases
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.553； 五年影响因子：0.521 ）
ISSN： 1018-4619
年卷期： 2020 年 29 卷 12 期
页码：
收录情况： SCI
摘要： The diversity of cultured endophyte and rhizosphere bacteria of Panax ginseng in China was investigated and the antifungal rhizosphere bacteria against seven phytopathogens causing ginseng diseases were screened in China. Phylogenetic analysis based on 16S rRNA-RFLP and sequencing showed that there were 11 PG-OTUs (operational taxonomic unit) of endophytic isolates and 15 GS-OTUs of rhizosphere isolates were generated and clustered into six and ten class groups, respectively. The biggest class group of endophytic and rhizosphere bacteria all belonged to the genus Bacillus. The others belonged to the genus of Enterobacter, Stenotrophomonas, Paenibacillus, Lysinibacillus, Pseudomonas and Ochrobactrum in endophytic population, and Pseudomonas, Pandoraea, Lysinibacillus, Paenarthrobacter, Klebsiella, Chryseobacterium, Stenotrophomonas, Pseudochrobactrum, Serratia, Cellulosimicrobium and Comamonas in rhizosphere population. A total of 72 (40.91%) rhizosphere antifungal isolates were obtained. 94.44% of isolates belonged to the genus Bacillus, and others four isolates were the genus of Pandoraea (GSBS6), Pseudomonas (GSJI8), Stenotrophomonas (GSJA1) and Lysinibacillus (GSJI21), respectively. In conclusion, the analysis of diversity of endophytic and rhizosphere bacteria associated with P. ginseng in China and antifungal isolates laid the foundation to enrich and develop biocontrol resources for controlling the plant diseases.
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