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| 寒地水稻产量性状相关及聚类分析 | |
| 引用本文： | 冯永祥,刘沐江,汪秀志,吕彦东,郑桂萍,钱永德,刘光雷.寒地水稻产量性状相关及聚类分析[J].安徽农业科学,2008,36(23). |
| 作者姓名： | 冯永祥 刘沐江 汪秀志 吕彦东 郑桂萍 钱永德 刘光雷 |
| 作者单位： | 1. 黑龙江省农业科学院耕作栽培研究所,黑龙江哈尔滨,150086;黑龙江八一农垦大学,黑龙江大庆,163319 2. 黑龙江鹤岗市宝泉岭二九0分场16队,黑龙江鹤岗,156202 3. 黑龙江八一农垦大学,黑龙江大庆,163319 |
| 摘 要： | 目的]探究影响水稻超高产育种的相关性状。方法]应用表型主成分分析法,对黑龙江省20个水稻品种9个产量相关性状进行了相关和聚类分析。结果]水稻产量相关性状间存在着错综复杂的相关关系。在6个影响水稻产量的主因子中,功能叶因子和产量因子对水稻产量的累积贡献率为96.56%;20个水稻品种被归为3类,显示出遗传距离较近、遗传基础狭窄的特点。结论]水稻超高产育种中应注意剑叶叶面积和结实率、千粒重的选择。 |
| 关 键 词： | 超高产育种 相关分析 主成分分析 聚类分析 |
Correlation and Cluster Analysis for Yield Properties of Early-japonica Rice in Cold Area |
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| FENG Yong-xiang et al.Correlation and Cluster Analysis for Yield Properties of Early-japonica Rice in Cold Area[J].Journal of Anhui Agricultural Sciences,2008,36(23). | |
| Authors: | FENG Yong-xiang |
| Abstract: | Objective] The research aimed to study correlated traits in rice super high yield breeding.Method] Nine yield properties of 20 varieties from Heilongjiang provincial rice regional trial were analyzed with the method of correlation and cluster analysis.Result] There was a complex relationship among yield properties.Six principal component factors affecting yield were selected.The cumulative contribution rate of factor of function leaf and factor of yield was 96.56 %.Twenty varieties could be classified into three groups according to genetic distance,showing near genetic distance and narrow genetic basis.Conclusion] Leaf area of the flag leaf,rate of seed and 1 000 grains weight should be particularly considered in rice super high yield breeding. |
| Keywords: | Super high yield breeding Correlation analysis Principal component analysis Cluster analysis |
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