Inheritance of Clubroot Resistance of Miniature Chinese Baby Cabbage and Molecular Markers-assisted Selection  

作　　者：Hu Jingfeng Yang Hongli Xu Xuezhong He Jiangming Chen Longzheng 

机构地区：[1]Institute of Horticultural Crops, Yunnan Academy of Agricultural Sciences, Kunming 650205, China [2]Yunnan Branch of National Vegetable Improvement Center, Kunming 650205, China [3]Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China

出　　处：《Plant Diseases and Pests》2017年第5期27-29,40,共4页植物病虫害研究（英文版）

基　　金：Supported by Key New Product Plan of Yunnan Provincial Science and Technology Department(2015BB007);International Cooperation Project of Yunnan Provincial Science and Technology Department(2014IA016);Science and Technology Plan for Enriching People and Strengthening County of Yunnan Provincial Science and Technology Department(2014EB033);National Bulk Vegetable Industry Technology System(CARS-23)

摘　　要：[Objective] The paper was to analyze the inheritance of clubroot resistance of miniature Chinese baby cabbage,to shorten identification time and to improve breeding efficacy of new disease-resistant varieties. [Method] Taking clubroot-resistant Chinese cabbage CCR001,disease-susceptible baby cabbage CM002,and their F_1,F_2 and BC_1 offspring as the research objects,the inheritance of clubroot resistance of baby cabbage was studied. [Result]The clubroot-resistance of baby cabbage was controlled by a single dominant gene,which conformed to Mendel＇s Laws of inheritance. The molecular markers-assisted selection combing with bacterial soil inoculation confirmed that the disease-resistance indeed passed on from the parents,and was inherited in F_1 and F_2. [Conclusion]It is feasible to breed clubroot-resistant baby cabbage by using molecular markers-assisted selection.[Objective] The paper was to analyze the inheritance of clubroot resistance of miniature Chinese baby cabbage,to shorten identification time and to improve breeding efficacy of new disease-resistant varieties. [Method] Taking clubroot-resistant Chinese cabbage CCR001,disease-susceptible baby cabbage CM002,and their F_1,F_2 and BC_1 offspring as the research objects,the inheritance of clubroot resistance of baby cabbage was studied. [Result]The clubroot-resistance of baby cabbage was controlled by a single dominant gene,which conformed to Mendel＇s Laws of inheritance. The molecular markers-assisted selection combing with bacterial soil inoculation confirmed that the disease-resistance indeed passed on from the parents,and was inherited in F_1 and F_2. [Conclusion]It is feasible to breed clubroot-resistant baby cabbage by using molecular markers-assisted selection.

关 键 词：Baby cabbage Clubroot resistance Bacterial soil inoculation Molecular marker-assisted selection 

分 类 号：S436.34[农业科学—农业昆虫与害虫防治]