烟草黑胫病菌生理小种判别及鉴别寄主的筛选  

Identification of Physiological Races of Phytophthora Parasitica var.Nicotianae and Screening of Differential Hosts

作　　者：丁昂 谷从纪 衣盛月 阮亚男 张奇瑞 夏振远[2] 陈泽斌 DING Ang;GU Congji;YI Shengyue;RUAN Yanan;ZHANG Qirui;XIA Zhenyuan;CHEN Zebin(School of Agriculture and Life Sciences,Kunming University,Kunming,Yunnan,China 650214;Yunnan Academy of Tobacco Agricultural Sciences,Kunming,Yunnan,China 650021)

机构地区：[1]昆明学院农学与生命科学学院,云南昆明650214 [2]云南省烟草农业科学研究院,云南昆明650021

出　　处：《昆明学院学报》2021年第6期6-11,共6页Journal of Kunming University

基　　金：国家自然科学基金资助项目(42067009);云南省教育厅科学研究基金项目(2021Y732,2020Y0478,2020Y0473)。

摘　　要：为了判别烟草黑胫病菌生理小种并对鉴别寄主进行筛选.采用菌丝块无创伤贴接法判别10个不同来源的烟草黑胫病菌对NC1071、L8、Florida301、小黄金1025等4个鉴别品种的致病力.通过调查烟草黑胫病菌侵染鉴别寄主情况,将这10株来源不同的黑胫病菌划分为两类,其中6个菌株属于1号生理小种,4个菌株属于0号生理小种.用红花大金元、NC82、KRK26和K326等4个烟草品种通过菌丝块无创伤贴接法进行筛选.结果表明,红花大金元可以代替小黄金1025作为感病品种,用于鉴定黑胫病菌生理小种的类型.In order to identify the physiological races of Phytophthora Parasitica var.nicotianue and to screen the identified hosts, the mycelial block non-traumatic attachment method was used to determine the pathogenicity of 10 strains from different sources to four different varieties, including NC1071, L8, Florida301, and Xiaohuangjin 1025. After studying ten pathogenic strain of Phytophthora parasitica var. nicotianae from different areas, they were divided into two categories, of which 6 strains belonged to Races 1 and 4 strains belonged to Races 0. Four tobacco varieties Honghua Dajinyuan, NC82、KRK26 and K326 were screened by the mycelial block non-traumatic attachment method. The results show that Honghua Dajinyuan can replace Xiaohuangjin 1025 as a susceptible variety to identify the physiological races of black shank.

关 键 词：烟草 黑胫病菌 生理小种 鉴别寄主 

分 类 号：S572[农业科学—烟草工业]