The results revealed that there were influences of temperature on the sterility degree of CMS line 07A (pol cytoplasm) and Shan 2A at different development stages, and the thermo sensitive phase was the stage of emergence of racemes.

• 结果表明，不同发育时期温度对不育系07A（具pol细胞质）和陕2A的育性都有影响，而以盛蕾期的影响最大；