Distribution of CRa in clubroot resistance (CR) cultivars of Chinese cabbage

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概要

• 論文の詳細を見る

• Clubroot resistance (CR) is an important trait for Chinese cabbage (Brassca rapa L. ssp. pekinensis). Since no CR genes had been found throughout Chinese cabbage lines originally, they were introduced from CR European turnips. Distribution of CR genes in the commercial cultivar is important information for CR breeding, but it has been scarcely known at molecular level. In this work, CR of 47 Chinese cabbage cultivars were analyzed phenotypically and genotypically. More than 80% of them exhibited high resistance phenotype, and all of the cultivars with high resistance were found to have CRa, one of the genes controlling CR. Majority of these cultivars were heterozygote for resistance, which is reasonable because CRa controls the resistance single-dominantly. This is the first work reporting the distribution of CR gene in Chinese cabbage cultivars and provides important and practical information for breeders and farmers. Further applications of CR genes are also discussed.

• 日本植物細胞分子生物学会の論文

著者

• Ueno Hiroki

  Department Of Clinical Neuroscience And Therapeutics Hiroshima University

• Hayashida Nobuaki

  Division of Applied Biology, Faculty of Textile Science and Technology, Shinshu University

• Matsumoto Etsuo

  Saku branch, Nagano Vegetable and Ornamental Crops Experiment Station

• Aruga Daisuke

  Department of Bioscience and Textile Technology, Shinshu University

• Matsumura Hideo

  Division of Gene research, Department of Life Science, Research Center for Human and Environmental Science, Shinshu University

• Ueno Hiroki

  Department of Bioscience and Textile Technology, Shinshu University

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• Distribution of CRa in clubroot resistance (CR) cultivars of Chinese cabbage

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