【摘要】 研究了A1至A7胞质不育与 10 0 0余种品种资源的育性反应 ,从而建立了A1至A77种胞质不育恢保体系的创新体系。研究了A1,A2 ,A3,A5,A6胞质不育育性恢复基因的遗传机制 ,找到了A1,A2 ,A5,A6胞质不育的育性恢复基因的差异和有许多共同恢复系和保持系的原因。研究了A3胞质不育杂交种F2 分离比率 ,分析了A3不育系育性恢复基因的遗传方式更多还原

【Abstract】 Cytoplasmic sterility of A 1 to A 7 and fertility of more than 1 000 materials were studied and the restorers and maintainers of 7 cytoplasmic sterile lines was set up respectively.The results of genetic studies showed that there were different restoring genes among 5 lines of A 1,A 2,A 3,A 5 and A 6 and the cause of having the same restorers and maintainers were found.The genetic model of restoring genes of cytoplasmic sterile line A 3 were analyzed on the basis of F 2 of F 3 hybrid.更多还原