Cytogenetical comparison was made between high seed set restorers TP-4 and D minghui63 and eminent maintainer line D46B of autotetraploid rice.

• 以高结实率的同源四倍体水稻恢复系TP-4和D明恢63及优良保持系D46B为材料进行细胞遗传学研究。