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[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.