| 温光条件对胞质不育系V_(太911289a)雄性育性影响的初步研究(英文) |
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| 作者单位： | 广东海洋大学农业生物研究所 广东湛江524088(王丰青，何觉民，何仪)，浙江大学农业与生物技术学院 浙江杭州310029(巍荷) |
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| 摘 要： | [Objective] The study aimed to reveal the effect of photoperiod and temperature on male fertility of cytoplasmic male sterile line Vtai911289a in wheat and discuss the mechanism of male fertility alteration. [Method] The sowing-date tests and designed conditions were conducted during 2003-2005. [Result] Fertility of Vtai911289acould alter under specific photoperiod and temperature conditions. Temperature is one of the main factors influencing male fertility of the male sterile lines. Vtai911289a showed stable sterility under the condition of the mean of daily temperature at fertility sensitive stage lower than 19 ℃ and presented partial fertility when the mean of daily temperature at fertility sensitive stage lower than 20-22 ℃. Photoperiod to some extent affects the male fertility of Vtai911289a,long-day condition is helpful for the male fertility of the sterile line. [Conclusion] The application of photoperiod temperature-sensitive cytoplasmic male sterile line in production has a higher safety than that of temperature sensitive sterile line.
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Preliminary Studies on the Effect of Photoperiod and Temperature on Male Fertility of a Cytoplasmic Male Sterile Line in Wheat |
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| Abstract: | [Objective] The study aimed to reveal the effect of photoperiod and temperature on male fertility of cytoplasmic male sterile line Vtai911289a in wheat and discuss the mechanism of male fertility alteration. [Method] The sowing-date tests and designed conditions were conducted during 2003-2005. [Result] Fertility of Vtai911289acould alter under specific photoperiod and temperature conditions. Temperature is one of the main factors influencing male fertility of the male sterile lines. Vtai911289a showed stable sterility under the condition of the mean of daily temperature at fertility sensitive stage lower than 19 ℃ and presented partial fertility when the mean of daily temperature at fertility sensitive stage lower than 20-22 ℃. Photoperiod to some extent affects the male fertility of Vtai911289a,long-day condition is helpful for the male fertility of the sterile line. [Conclusion] The application of photoperiod temperature-sensitive cytoplasmic male sterile line in production has a higher safety than that of temperature sensitive sterile line. |
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| Keywords: | Temperature Photoperiod Cytoplasmic male sterile line Male fertility |
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