| 双低两用温敏核不育水稻低温条件下花粉发育的细胞学观察 |
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| 引用本文： | 周江菊,陈良碧,龙跃生.双低两用温敏核不育水稻低温条件下花粉发育的细胞学观察[J].生命科学研究,2001,5(2):160-163. |
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| 作者姓名： | 周江菊 陈良碧 龙跃生 |
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| 作者单位： | 湖南师范大学生命科学学院, |
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| 基金项目： | 国家自然科学基金资助项目（39370078）;国家教育部高校骨干教师基金资助项目(25000117);湖南省生命科学联合中心资助项目(25990225) |
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| 摘 要： | 双低两用温敏核不育水稻96－5－2S在11.31－20.19℃低温条件下，花粉母细胞形成、减数分裂和花粉后期发育均正常，最后形成充满淀粉的成熟花粉，而作对照的两用温敏不育水稻陆18S在相同低温条件下，除花粉母细胞形成早期发育正常外，花粉母细胞晚期、减数分裂期均有异常，败育主要发生在单核小孢子靠边期，没有形成成熟花粉，结果表明，96－5－2S桫胜殖期抗寒性强，低温生理障碍雄性不育临界温度低。
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| 关 键 词： | 水稻 双低两用温敏核不育 花粉发育 细胞学 |
| 文章编号： | 1007-7847(2001)02-0160-04 |
| 修稿时间： | 2001年1月10日 |
Cytological Investigation of Pollen Development of TGMS Rice with Double Low Critical Temperature under Low Temperature |
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| ZHOU Jiangju,Chen Liangbi,LONG Yuesheng.Cytological Investigation of Pollen Development of TGMS Rice with Double Low Critical Temperature under Low Temperature[J].Life Science Research,2001,5(2):160-163. |
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| Authors: | ZHOU Jiangju Chen Liangbi LONG Yuesheng |
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| Institution: | ZHOU Jiang-ju 1,CHEN Liang-bi 2,LONG Yue-sheng 2 |
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| Abstract: | TGMS rice with double low critical temperature(96-5-2S), trea ted with low temperature of 11.31～20.19 ℃,were all normal during the formation of pol le n mother cell,meiosis, development of pollen and mature pollen. Under the same condition, there were some abnormality during the anaphase of pollen mother ce ll, meiosis stage in TMGS rice(Lu 18s), which sterilized at the monokaryon stage an d then failed to form mature pollen. Results showed that 96-5-2S had strong c old -resistence and low critical temperature of male sterility for cold generative obstacle. |
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| Keywords: | rice TGMS rice with double low critical temperature |
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