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普通白菜杂种优势与配合力的初步研究
A PRELIMINARY STUDY ON HETEROSIS AND COMBINING ABILITY IN PAKCHOI
【摘要】 利用不结球白菜亚种、普通白菜变种中的南京矮脚黄雄性不育两用系和短白梗、亮白叶、苏州青及矮抗青四个自交系,采用完全双列杂交D1设计进行田间试验,旨在分析各杂交组合在与产量、品质和霜霉病抗性有关的28个性状方面的杂种优势和配合力。结果证明了Sprague等(1942)关于亲本选择选配的两个结论及其在白菜育种中应用的可行性,为普通白菜选择育种途径和选择选配亲本提供了理论依据。通过配合力分析,初步选出了亮白叶、矮脚黄、矮抗青三个较好的杂交亲本和矮脚黄×矮抗青,矮脚黄×亮白叶、短白梗×矮抗青及亮白叶×苏州青等四个优良杂交组合。
【Abstract】 A complete diallel experiment (design D1) and analysis were made in one male sterile AB line and four inbred lines of the local good varieties of Pak choi (Brassica campestris ssp. chinensis var. communis Tsen et Lee.) for studying heterosis and combining ability of the crosses for 28 agronomic characters relative to yield, quality and resistance to downy mildew. The results proved two important conelus ions on parent selection and hybridization suggested by Sprague G.F. et al in 1942 and their feasibility in Pak choi breeding. The paper provided a theoretical base for choosing breeding approach and hybridization parents. According to combining abilities, three better parents for hybrids and four best combinations were selected, which were Liang-Bai-Ye, Ai-Jiao-Huang, Ai-Kang-Qing, Ai-Jiao-Huang×Liang-Bai-Ye, Ai-Jiao-Huang×Ai-Kang-Qing, Duan-Bai-Geng×Ai-Kang-Qing and Liang-Bai-Ye×Su-Zou-Qing.
- 【文献出处】 南京农业大学学报 ,Journal of Nanjing Agricultural University , 编辑部邮箱 ,1986年02期
- 【被引频次】12
- 【下载频次】121