文献类型：期刊文献

英文题名：Antifungal activity of plant extracts against Embellisia astragali, the fungal causal agent of yellow dwarf and root-rot disease of standing milkvetch

作者：Zeng, Cuiyun[1,2];Zhu, Xiaoyu[2];Cui, Zhen[1];Li, Yanzhong[1]

第一作者：Zeng, Cuiyun;曾翠云

通信作者：Li, YZ[1]

机构：[1]Lanzhou Univ, Gansu Grassland Ecol Res Inst, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Farming Syst, Lanzhou 730020, Peoples R China;[2]Gansu Coll Tradit Chinese Med, Lanzhou 730000, Peoples R China

第一机构：Lanzhou Univ, Gansu Grassland Ecol Res Inst, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Farming Syst, Lanzhou 730020, Peoples R China

通信机构：[1]corresponding author), Lanzhou Univ, Gansu Grassland Ecol Res Inst, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Farming Syst, POB 61, Lanzhou 730020, Peoples R China.

年份：2015

卷号：66

期号：7

起止页码：735

外文期刊名：CROP & PASTURE SCIENCE

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000356832800010)】；

基金：This work was supported by the project National Natural Science Foundation of China under Grant (31272496).

语种：英文

外文关键词：antifungal activity; medicinal plant extracts; pathogen

摘要：In an attempt to find biological fungicides, we screened 18 medicinal plants used in Chinese traditional medicine for their activity against Embellisia astragali, the causative fungus of yellow dwarf and root-rot disease in standing milkvetch (Astragalus adsurgens Pall.). The antifungal ecacy of ethanolic extracts of these plants was tested in vitro. Our results show that among the 18 plants tested, the ethanolic extracts of Saposhnikovia divaricata, Allium sativum and Juglans regia totally inhibited mycelial growth of E. astragali. These three extracts also significantly inhibited spore germination of E. astragali, with inhibition rates ranging from 86% to 88%. In addition, the same extract from the same plant part indicated the strongest antifungal activity against E. astragali, with a minimal inhibitory concentration value of 50mgmL(-1). These results demonstrate that plant-derived products have a high potential to control yellow dwarf and root-rot disease in standing milkvetch.