玉竹根腐病病原鉴定  

Pathogen identification of Polygonatum odoratum root rot

作　　者：吴金平[1] 刘晓艳[1] 丁自立[1] 矫振彪[1] 郭凤领[1] 胡燕 邱正明[1] 

机构地区：[1]湖北省农业科学院,湖北武汉430064 [2]湖北省武汉古郡种植专业合作社,湖北武汉430223

出　　处：《中国植保导刊》2016年第9期16-17,27,85,共4页China Plant Protection

基　　金：农业部现代农业产业技术体系项目(nycytx-35-02-06);湖北省科技支撑计划(2014BBA183);湖北省农科院扶持性计划(2015jzxjh04)

摘　　要：从湖北省农科院蔬菜研究所蔬菜试验基地采集玉竹病样标本,采用常规组织分离法分离玉竹茎基部病原菌菌株。经过柯赫氏法则致病性测定和18S rDNA分子鉴定。结果表明,湖北玉竹根腐病的根腐症状和病原菌与前人文献描述不同,为尖孢镰刀菌(Fusarium oxysporum)和烟曲霉菌(Aspergillus fumigatus)2种致病菌复合侵染。Pathogens of Polygonatum odoratum root lot,which was isolated from samples collected in experiment field in Vegetable Institute of Huhei Academy of Agricultural Sciences, were identified by Koch＇s postulates and molecular detection of 18S rDNA. The results showed that the pathogens were Fusarium oxysporum and Aspergillus fumigatu, and the pathogens and the root rot symptoms were different from former researches.

关 键 词：玉竹 根腐病 病原 分子鉴定 

分 类 号：S436.412.1[农业科学—农业昆虫与害虫防治]