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Position: Home > Articles > Bioassay screening of medical herbs against Phytophthora nicotiane var.nicotianae Journal of Anhui Agricultural University 2006,33 (2) 189-191

抗烟草黑胫病菌的植物源杀菌剂的筛选研究

作  者:
杨晓凡;花日茂;吴祥为;汤锋;操海群;岳永德
单  位:
安徽农业大学安徽“农产品安全”省级重点实验室
关键词:
植物源杀菌剂;烟草黑胫病菌;生物活性筛选
摘  要:
以烟草黑胫病菌为供试菌种,对7种植物的95%乙醇提取物进行离体生物测定筛选。结果表明,相对其它植物,中草药F和中草药H对烟草黑胫病菌有显著的抑菌活性。进一步毒力测定表明,中草药F和中草药H提取物对烟草黑胫病菌的3 d后的EC50值分别为1.53和0.79 g.L-1,5 d后的EC50值分别为1.32和0.59 g.L-1。
译  名:
Bioassay screening of medical herbs against Phytophthora nicotiane var.nicotianae
作  者:
YANG Xiao-fan~(1,2),HUA Ri-mao~1,WU Xiang-wei~1,TANG Feng~1,CAO Hai-qun~1,YUE Yong-de~1(1.Anhui Provincial Agi-food Safety Key Laboratory,Anhui Agricultural University,Hefei 230036;2.Anhui University of Technology and Science,Wuhu 241000)
关键词:
medical herbs;Phytophthora nicotiane var.nicotianae;bioactivity screening
摘  要:
In this paper,95% alcohol extracts of seven medical herbs were bioassayed and screened against Phytophthora nicotiane var.nicotianae.The results suggest that medical herb F and medical herb H existed significant antifungal activity.The EC_(50) values of medical herb F and medical herb H against Phytophthora nicotiane var.nicotianae was 1.53 g·L~(1) and 0.79 g·L~(-1) respectively after 3 d,1.32 g·L~(-1) and 0.59 g·L~(-1) after 5 d through further toxicity tests.The results of antifungal screening suggest the two medical herbs need to be studied further.

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