| 三七根腐病拮抗菌的筛选及活性产物的初步分离 |
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| 引用本文： | 刘立志,王启方,张克勤,李世东.三七根腐病拮抗菌的筛选及活性产物的初步分离[J].云南大学学报(自然科学版),2004,26(4):357-359,363. |
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| 作者姓名： | 刘立志 王启方 张克勤 李世东 |
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| 作者单位： | 1. 云南大学,云南省生物资源保护与利用重点实验室,云南,昆明,650091
2. 中国农业科学院,生物防治研究所,北京,100081 |
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| 基金项目： | 云南省省院省校合作项目(200101ZCBFB01C). |
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| 摘 要： | 以文山州三七根腐病主体病原菌坏损柱孢(Cylindrocaipon destructans)为靶标,对其拮抗菌进行了筛选,获得了抑菌作用明显的3株拮抗细菌:Y-4-70,X-5-15和X-5-32;并对拮抗菌X-5-15代谢产物的抑菌活性进行了初步研究,发现该菌株发酵液石油醚萃取物对病原菌有较好的活性.
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| 关 键 词： | 三七 根腐病 拮抗菌 |
| 文章编号： | 0258-7971(2004)04-0357-03 |
The selection of antifungal bacteria against root rot of panax notoginseng and the isolation of active metabolism substance |
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| LIU Li-zhi,WANG Qi-fang,ZHANG Ke-qin,LI Shi-dong.The selection of antifungal bacteria against root rot of panax notoginseng and the isolation of active metabolism substance[J].Journal of Yunnan University(Natural Sciences),2004,26(4):357-359,363. |
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| Authors: | LIU Li-zhi WANG Qi-fang ZHANG Ke-qin LI Shi-dong |
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| Institution: | LIU Li-zhi~1,WANG Qi-fang~1,ZHANG Ke-qin~1,LI Shi-dong~2 |
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| Abstract: | Cylindrocaipon destructans is the primary pathogen of Panax notoginseng root rot.In order to find an ideal biological control method for this fungus ,antifungal bacteria were screened from soil in which P.notoginseng is cultivated,and three strains Y-4-70,X-5-15 and X-5-32 were detected with obvious bacteriostasis.Then different exacts of fermentation liquid of X-5-15 are tested for their antifungal activity and it is found that the exact with petroleum has the most highest antifungal activity against this fungus. |
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| Keywords: | Panax notoginseng root rot antifungal bacteria |
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