| 寒地水稻抽穗期的灰色关联分析 |
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| 引用本文： | 王立志,王连敏,王春艳,李忠杰.寒地水稻抽穗期的灰色关联分析[J].黑龙江农业科学,2004(5):21-23. |
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| 作者姓名： | 王立志 王连敏 王春艳 李忠杰 |
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| 作者单位： | 黑龙江省农科院栽培所,哈尔滨,150086 |
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| 摘 要： | 对寒地水稻抽穗期的灰色关联分析表明 ,对寒地水稻抽穗期影响较大的因素依次是移栽后第 2周积温、秧苗期积温、移栽时秧龄和移栽期等 ,而移栽后第 7周积温、主茎叶片数、播种期和移栽后第 1周积温等对抽穗期的影响较小。
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| 关 键 词： | 水稻 抽穗期 灰色关联分析 早穗 |
| 文章编号： | 1002-2767(2004)05-0021-02 |
| 修稿时间： | 2003年5月16日 |
Gray Correlation Analysis of Rice Heading in Cold Region |
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| WANG Li-zhi,WANG Lian-min,WANG Chun-yan,LI Zhong-jie.Gray Correlation Analysis of Rice Heading in Cold Region[J].Heilongjiang Agricultural Science,2004(5):21-23. |
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| Authors: | WANG Li-zhi WANG Lian-min WANG Chun-yan LI Zhong-jie |
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| Abstract: | The gray correlation analysis of rice heading in cold region was studied, the result show that: the factors affecting rice heading in cold region were in turn-the accumulated temperature of the second week after transplanting, the accumulated temperature of seedling period, the age and the date of transplanted seedling. some factors in including the accumulated temperature after six weeks of transplanting, the leaves of the main stem, the sowing date and the accumulated temperature of the first week after transplanting,have little effect on rice heading in cold region. |
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| Keywords: | rice heading stage gray correlation analysis earlier-heading |
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