Isolation of endophytic bacteria in roots of Panax ginseng and screening of antagonistic strains against phytopathogens prevalent in P. ginseng.
- Author:
Yong LI
1
;
Dongyue ZHAO
;
Wanlong DING
;
Yixin YING
Author Information
1. Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China. liyong@implad.ac.cn
- Publication Type:Journal Article
- MeSH:
Bacteria;
isolation & purification;
Bacterial Physiological Phenomena;
Endophytes;
isolation & purification;
physiology;
Panax;
microbiology;
Plant Roots;
microbiology
- From:
China Journal of Chinese Materia Medica
2012;37(11):1532-1535
- CountryChina
- Language:Chinese
-
Abstract:
In this study, endophytic bacteria were isolated from roots of P. ginseng by plate culture method, and as a result, 40 endophytic bacterial strains were isolated, Bacillus spp. and Pseudomonas spp. were predominant. By confront culture method, two antagonistic endophytic bacterial strain, ge15 (Stenotrophomonas maltophilia) and ge25 (Bacillus sp. ) against Cylindrocarpon destructans, Sclerotinia schinseng and Alternaria pana were identified. The inhibition zone of ge15 to them were 5.5, 22.0, 14.8 mm, respectively; and which were 12.7,16.5,9.0 mm for ge25. The Results indicate that endophytic bacteria have biocontrol potential on ginseng pathogens, and which can be used as a bio-control factor on ginseng soilborne diseases control.
