【摘要】 对温光型两用核不育系C49S 87和 6个云南典型恢复系剑叶平展—抽穗—开花各发育阶段作了比较研究。结果表明 ,高原生态条件下C49S 87与恢复系在剑叶平展后至开花期间具有不同的阶段发育进度 ,但只要父母本主穗和群体剑叶平展时期基本一致 ,后期不需对花期进行大的调节即可达到花期相遇。因此 ,剑叶平展期可作为制种中后期花期预测的一个主要形态指标更多还原

【Abstract】 Comparitive studies on the development of main stem and population in middle late stages between Thermo Photo Sensitive Genic Male Sterile(TPSGMS)wheat C49S 87 and 6 restoring lines from Yunnan were conducted.Results showed that there were differences in development stages after flag leaf flatting between C49S 87 and 6 Yunnan restoring lines,however,if both the male and female parents plants and their population basically had the same dates of flag leaf flatting,the flowering dates of both parents would meet well,which could be used as one of the main morphological indicators of flowering dates prediction and identification in hybrid wheat seed production during middle late stages.更多还原