Dormancy at harvest (DAH) of 32 maintainer lines was identified.No heavy dormant materials were found in maintainer lines, and most restorer lines had weak dormancy.

• 摘要对籼稻32个保持系和40个恢复系收获时休眠性进行鉴定，在保持系中没有发现强休眠性材料，大多数恢复系休眠性也较弱。