Selective fertilization in relation to plant breeding. : I.Chinese cabbage (Brassica pekinensis RUPR.). : 3. Inheritance of self and cross-incompatibility.

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In two previous papers, the author reported about the existence of selective fertilization in Chinese cabbage and its mechanism being essentially dependent on two important factors, viz., differences among varieties with regard to the frequencies of compatible pollen grains in given population and existence of various grades of compatibility in compatible pollens (Murakami, 1964 a and b). Since the pollen compatibilities are mainly controlled by genes, genetical aspects of the compatibility systems were also studied later. All the related experiments were conducted under greenhouse conditions. Segregation studies regarding self-incompatibility in the progenies of the selfed plants were conducted during 1956 to 1960. Results for the varieties Kashin and Matsushimashin N0.2 are presented in Figs. I and 2 respectively. During 1958 to 1960, several plants in different groups were crossed in all possible combinations to study their compatibility or otherwise. Results of such studies on three groups in Kashin and two groups in Matsushimashin N0.2 are presented in Tables 1 and 2 respectively.
日本育種学会の論文