宜昌市一种核桃黑斑病病原菌的分离及鉴定  

Isolation and identification of a pathogen of walnut black spot in Yichang city

作　　者：王鹏程[1] 吴楚[2] 孙智 彭新 韩永世 孙长城 贾切 WANG Peng-cheng;WU Chu;SUN Zhi;PENG Xin;HAN Yong-shi;SUN Chang-cheng;JIA Qie(Hubei Three Gorges Polytechnic,Yichang 443000,Hubei,China;College of Horticulture and Gardening,Yangtze University,Jingzhou 434000,Hubei,China;Guojiaba Town Forestry Station of Zigui County,Zigui 443621,Hubei,China;Zigui County Forestry Bureau,Zigui 443600,Hubei,China;Xiakou Town Agricultural Technology Service Center of Xingshan County,Xingshan 443701,Hubei,China)

机构地区：[1]湖北三峡职业技术学院,湖北宜昌443000 [2]长江大学园艺园林学院,湖北荆州434000 [3]秭归县郭家坝镇林业站,湖北秭归443621 [4]秭归县林业局,湖北秭归443600 [5]兴山县峡口镇农技服务中心,湖北兴山443701

出　　处：《湖北农业科学》2019年第18期55-57,61,共4页Hubei Agricultural Sciences

基　　金：宜昌市科学技术研究与开发项目(A18-212);湖北三峡职业技术学院重点科研项目(2017KZ02)

摘　　要：为明确引起宜昌市核桃黑斑病的病原菌,根据柯赫氏法则测定其致病性,通过形态学观察和rDNA-ITS序列分析鉴定病原菌。结果表明,引起宜昌市核桃黑斑病的病原菌为链格孢属链格孢(Alternaria alternata)。To identify the pathogen causing walnut black spot in Yichang city,the pathogenicity was determined according to Koch's rule.And the pathogenic bacteria was identified by morphological characteristics and rDNA-ITS sequence analysis.The results showed that Alternaria altenata was the pathogen causing walnut black spot in Yichang city.

关 键 词：核桃黑斑病 分离鉴定 形态学观察 链格孢(Alternaria alternata) 宜昌市 

分 类 号：S436.64[农业科学—农业昆虫与害虫防治]