| 多胚苗水稻APIV不同颖花的多卵和多胚苗频率研究 |
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| 引用本文： | 黄群策,孙敬三. 多胚苗水稻APIV不同颖花的多卵和多胚苗频率研究[J]. 植物学通报, 1999, 16(3): 280-283 |
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| 作者姓名： | 黄群策 孙敬三 |
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| 作者单位： | 中国科学院植物研究所 |
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| 摘 要： | ＡＰＩＶ的多卵和多胚苗频率与其颖花和种子的发育季节以及颖花的着生部位有一定关系。在夏季条件下抽穗开花，其多卵频率和多胚苗频率均比较低，而在秋季条件下抽穗开花则比较高。在同一稻穗中的多卵和多胚苗频率，强势颖花要明显地高于弱势颖花。在同一季节抽穗开花的主穗和分蘖穗之间，其颖花内的多卵频率不存在明显差异，多胚苗频率的差异也不明显。
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| 关 键 词： | APIV，多卵，多胚苗，频率 |
STUDY ON FREQUENCIES OF POLYEGGS AND POLYEMBRYO_SEEDLINGS IN THE DIFFE RENT SPIKELET OF APIV RICE |
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| HUANG Qun_Ce SUN Jing_San. STUDY ON FREQUENCIES OF POLYEGGS AND POLYEMBRYO_SEEDLINGS IN THE DIFFE RENT SPIKELET OF APIV RICE[J]. Chinese Bulletin of Botany, 1999, 16(3): 280-283 |
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| Authors: | HUANG Qun_Ce SUN Jing_San |
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| Abstract: | The frequency of polyeggs and polyembryo_seedlings of APIV are to certain extent related to both the developmental season and the site of the spikelet in a panicle. The frequency in summer was higher than that in autumn. In a panicle, the frequencies in the stronger spikelet were higher,but in the weaker ones lower. However, there was no difference in the frequency between the main_panicles and the tilling_panicles of heading at the same season. |
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| Keywords: | APIV Polyeggs Polyembryo_seedlings Frequency |
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