| 不同穗型水稻品种灌浆期生理特性的差异 |
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| 引用本文： | 李雪梅,樊金娟,徐正进.不同穗型水稻品种灌浆期生理特性的差异[J].沈阳农业大学学报,2003,34(5):347-350. |
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| 作者姓名： | 李雪梅 樊金娟 徐正进 |
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| 作者单位： | 1. 沈阳师范大学,化学与生命科学学院,辽宁,沈阳,110034
2. 沈阳农业大学,农学院,辽宁,沈阳,110161 |
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| 基金项目： | 辽宁省自然科学基金项目 |
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| 摘 要： | 在大田条件下，研究了直立穗和弯曲穗型水稻品种灌浆期部分生理特性，结果表明：直立穗型品种上3叶叶绿素含量明显高于弯曲穗型品种，且随生育进程叶片衰老较慢；直立穗型品种的剑叶和倒3叶SOD、ATPase活性比弯曲穗型品种的高，而POD活性则是弯曲穗型品种的高；直立穗型品种的强势粒中ATPase活性在灌浆前期高于弯曲穗型品种，而灌浆后期则低于弯曲穗型品种。直立穗型品种的强势粒和叶片中内源激素ABA的含量在灌浆前期都低于弯曲穗型品种，而灌浆后期则高于弯曲穗型品种。
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| 关 键 词： | 穗型 水稻 品种 灌浆期 生理特性 直立穗型 弯曲穗型 叶绿素含量 内源激素ABA |
| 文章编号： | 1000-1700(2003)05-0347-04 |
| 修稿时间： | 2003年8月16日 |
Physiological Difference of Rice Varieties with Different Panicle Types During Grain Filling |
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| LI Xue-mei,et al..Physiological Difference of Rice Varieties with Different Panicle Types During Grain Filling[J].Journal of Shenyang Agricultural University,2003,34(5):347-350. |
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| Authors: | LI Xue-mei |
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| Institution: | LI Xue-mei1,et al. |
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| Abstract: | Some physiological characteristics of erect-panicle and curved-panicle rice varieties were studied under field conditions. The results showed that chorophyll content in erect-panicle type was obviously higher than that of curved-panicle type, and leaf senescence decreased slowly; SOD and ATPase activities of flag and 3rd leaves in erect-panicle type were higher than those of curved-panicle type, but POD activity in curved-panicle type was higher; ATPase activity of grain in erect-panicle type was higher than that of curved-panicle type at early stage of grain filling, but that of curved-panicle type was higher at late stage. ABA content of grain and leaf in erect-panicle type was lower than that of curved-panicle type at early stage of grain filling, but that of curved-panicle type was lower at lateat stage. |
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| Keywords: | Rice panicle Type ATPase activity endogenous hormones |
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