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Position: Home > Articles > Analysis of Correlation and Principal Component of Quantitative Traits of Kosteletzkya virginica Journal of Nanjing Forestry University(Natural Sciences Edition) 2003,27 (5) 9-13

海滨锦葵数量性状的相关和主成分分析(英文)

作者：

阮成江;何祯祥;钦佩;谢民

单位：

南京大学

关键词：

海滨锦葵;数量性状;相关分析;主成分分析

摘要：

对海滨锦葵的9个数量性状(产量、株高、地径、分枝数、百粒重、种子数、发芽率、蛋白质和粗脂肪)进行了变异程度、相关性和主成分分析。结果表明:(1)海滨锦葵自然生长群体急需改良,单系产量间存在极显著差异(变异系数为98.44%);(2)产量与地径和分枝数间有十分显著的正相关(r=0.788和0.709),粗脂肪、株高与产量间有显著的相关性(r=0.380和0.279);蛋白质、粗脂肪与地径间有显著的相关性(r=0.308和0.342);(3)9个数量性状可归纳为4个主成分(产量因子、株高因子、百粒重因子和品质因子),累积贡献率为77.176%,依据各主成分贡献率的大小,以主成分为单位选育优质高产的海滨锦葵单系则可先选择大地径、多分枝的组合,结合选择多种子的后代材料,最后选育品质较好的优良单系。

译名：

Analysis of Correlation and Principal Component of Quantitative Traits of Kosteletzkya virginica

作者：

RUAN Chengjiang1,2,HE Zhenxiang1,QIN Pei1,XIE Min1(1.Nanjing University,Nanjing 210093,China;2.Yancheng Institute of Technology,Yancheng 224003,China)

关键词：

Kosteletzkya virginica;Quantitative trait;Correlation analysis;Principal component analysis

摘要：

Variation degree,correlation coefficient and principal component of 9 traits of Kosteletzkya virginica were analyzed,which involved seed yield,plant height,collar diameter,the number of branches,hundredseed weight,the number of seeds,germination capacity,protein content and crude fat content,respectively.The results showed that it was necessary to improve natural population of Kosteletzkya virginica for the high seed yield and good quality.Both collar diameter and the number of branches were significantly positively correlated with seed yield(r=0.788 and 0.709,respectively).Crude fat content and plant height were correlated with seed yield(r=0.380 and 0.279).Both protein content and crude fat content were correlated with collar diameter(r=0.308 and 0.342).Nine quantitative traits of Kosteletzkya virginica could be divided into 4 principal components by principal component analysis,that is the yield factor,plant height factor,hundredseed weight factor and quality factor,these additive contribute proportions were 77.176%.For the breeding of a new line or variety with high yield and good quality,the principles are to be followed in the terms of the contribution of the principal component: firstly,select the line or variety with big collar diameter and more branch,then combine more the number of seeds with high yield,finally select a fine line or variety with high quality.

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海滨锦葵数量性状的相关和主成分分析(英文)

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