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当前位置: 首页 > 文章 > 菜薹根肿病显微观察及抗病性鉴定 中国农学通报 2020 (17) 129-133
Position: Home > Articles > Root Swelling Disease of Brassica campestris:Microscopic Observation and Disease Resistance Identification Chinese Agricultural Science Bulletin 2020 (17) 129-133

菜薹根肿病显微观察及抗病性鉴定

作  者：
吴艺飞;丁茁荑;周晓波;欧阳娴;张竹青
单  位：
关键词：
菜薹;根肿病;生理小种;显微观察;抗病性鉴定
摘  要：
为了筛选出一批优异的菜薹抗根肿病材料。以8份不同品种的菜薹为试材,3个不同来源的4号生理小种为菌源,采用菌土法对其进行了苗期抗病性鉴定。结果表明:各菌源的致病力差异极大,菌源C致病力最强,菌源B次之,菌源A致病力最弱。综合3种菌源抗性表现,筛选出3份抗病材料。同时表明现有的根肿病鉴别系统存在一定局限性,应完善补充新的寄主作物,以期更加准确、稳定地鉴定根肿病生理小种,推动菜薹抗病育种的研究进程。
译  名：
Root Swelling Disease of Brassica campestris:Microscopic Observation and Disease Resistance Identification
作  者：
Wu Yifei;Ding Zhuoyi;Zhou Xiaobo;Ouyang Xian;Zhang Zhuqing;Hunan Vegetable Research Institute/Hunan Vegetable Research and Development Center;
关键词：
Brassica campestris;;root swelling disease;;physiological race;;microscopic observation;;disease resistance identification
摘  要：
The aim is to screen out a group of excellent Brassica campestris materials with root swelling resistance. Eight varieties of Brassica campestris were used as test materials, and three physiological race 4 of different origins were used as the bacterial sources. The disease resistance was identified by the bacterial soil method. The results show that the virulence of each bacterial source is significantly different. The pathogenicity of bacterial source C is the strongest, followed by bacterial source B, and the virulence of bacterial source A is the weakest. Three disease-resistant materials are selected based on the three bacterial pathogens. At the same time, the results indicate that there are limitations in the present identification system for root swelling disease.It is necessary to complement the new host crops in order to identify the physiological race of root swelling disease more accurately and stably, and promote the research progress of Brassica campestris disease-resistant breeding.

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