在人工控制光周期和控制光温条件下，研究了光周期和短日适温对光温敏核不育小麦ＥＳ－８育性转换特性的影响。结果表明，ＥＳ－８的雄性育性受光周期的影响，表现为１０～１１ｈ短光照下雄性不育，花粉败育率为１００．０％；自交结实率为０．０％；在１２～１３ｈ长光照下可育。ＥＳ－８存在两个光周期敏感期，最敏感期为雌雄蕊分化期至药隔形成期，次敏感期约在药隔形成期至四分体形成期。孕穗至结实期的短日（１０ｈ）适温（１６／１２℃昼温／夜温）处理结果表明，温度对育性的影响很小，雄性仍表现不育。 The effects of photoperiod and short day temperature on the fertility conversion of ES-8 were studied under manual control of photoperiod and light temperature control. The results showed that the male sterility of ES-8 was affected by photoperiod. The male sterility of ES-8 under short light was 10-11h, the pollen abortion rate was 100.0%, self-fertility rate was 0.0% 13h long light fertile. There were two photoperiod-sensitive phases in ES-8. The most sensitive period was from the stage of pistil and stamen differentiation to the formation of septum, and the subacute period was approximately from the formation of septum to tetrad formation. Short-day (10h) optimum temperature (16/12 ℃ diurnal / night temperature) treatment from booting to fruiting stage showed that temperature had little effect on fertility and male still showed infertility.