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当前位置: 首页 > 文章 > 粳稻(Oryza sativa L.subsp.japonica)光敏感雄性不育“温度效应”初析 作物学报 1991,17 (5) 362-368
Position: Home > Articles > A Preliminary Study on the Effect of Temperature on the Expression of Photoperiod Sensitive Male Sterility in Rice(Oryza sativa L.subsp.japonica) Acta Agronomica Sinica 1991,17 (5) 362-368

粳稻(Oryza sativa L.subsp.japonica)光敏感雄性不育“温度效应”初析

作  者：
薛光行;申岳正
单  位：
中国农业科学院作物育种栽培研究所
关键词：
水稻雄性不育;光期温度效应;温度×品系互作
摘  要：
感光性不同的4个光敏感雄性不育粳稻经受14小时光周期下的31/27℃、31/22℃、31/17℃、27/22℃和27/17℃ 5种光期温度/暗期温度组合处理。考察其花粉育性的结果表明:1,在试验设计的光、温条件下,参试的不育品系都表现高度的光敏感雄性不育。但是,不同温度处理引起了败育水平的显著变化。2,光期温度下降4℃、暗期温度相同时,花粉育性极显著地增加;光期温度不变,暗期温度变动幅度为5℃时(31/27℃处理除外),不影响光敏感雄性不育的表现。3,不同品系光敏感雄性不育表现对温度处理的反应不同,而且有明显不同的“温度×品系”互作效应。本试验中未见感光性不同品系不育性表现对温度敏感性的显著区别。
译  名：
A Preliminary Study on the Effect of Temperature on the Expression of Photoperiod Sensitive Male Sterility in Rice(Oryza sativa L.subsp.japonica)
作  者：
Xue Guangxing Shen Yuezheng (Institute of Crop Breeding and Cultivation,CAAS,Beijing,100081)
关键词：
Male sterility of rice;;Effect of light period temperature;;“Temperature×liine”interaction
摘  要：
4 pms japonica rice lines were put under 5 different temperature regimes to studythe effect of temperature on their expression of photoperiod sensitive male sterility.The light/dark temperature regimes used were,namely,31℃/27℃,31℃/22℃,31℃/17℃,27℃/17℃ and 27℃/22℃.The results indicated that:1)All lines tested were highly sterile under the condictions of the differenttreatments.But significantly different levels of sterility were observed under thedifferent temperature regimes.2)A decrease of the light period temperature by 4℃ could lead to a significantincrease of the pollen fertility,wheaeas the fluctuation of the dark period temperatureby 5℃ had no effect on the fertility(except with the 31℃/27℃ treatment).3)No significant differences in pollen sterility were observed among the differenttypes of pms rice lines.However,they did exist with the “temperature×line”interactions.

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