豌豆种质资源农艺性状评价及优异资源筛选

陈志凯, 侯万伟

Evaluation and Selection of Pisumsativum L. Germplasm Resources Based on Agronomic Traits

ChenZhikai , Hou Wanwei

表3 豌豆主要农艺性状的主成分分析

Table3 Principalcomponentanalysisofmain agronomic traits of Pisum sativum L.

性状 Trait 主成分Principal component 1 2 3 株高Plant height 0.387 0.266 -0.258 每果节荚数 Number of pods per fruit node 0.558 -0.173 0.344 分枝数Number of branches 0.408 0.389 -0.156 荚长Pod length -0.660 0.409 0.255 荚粒数Numberofpod seeds -0.332 -0.244 0.794 荚数Number of pods 0.800 0.326 0.257 单株产量Yield per plant 0.182 0.825 0.401 百粒重100-kernelweight -0.592 0.653 -0.209 特征值Eigenvalue 2.197 1.691 1.175 贡献率Contribution rate (%) 27.460 21.140 14.690 累计贡献率 Cumulative contribution rate (%) 27.460 48.600 63.290