It is proposed that the changes in contents of these phytohormones in CMS line are abnormal, and IAA, GA1+4 and iPAs deficiency and ABA accumulation aught be related to the generation of CMS in rice.

• 提示不育系叶片、幼穗和花药中IAA、GA1＋4、iPAs和ABA含量出现了异常，且IAA、GA1＋4和iPAs亏缺以及ABA盈积可能与水稻细胞质雄性不育发生有关。