藜麦农艺性状多样性分析及核心种质构建

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Diversity Analysis of Agronomic Traits and Core Collection Construction of Quinoa

Guo Huihui, Lu Jin, Li Xiaoan, Gao Xiaoli, He Cailin, Zheng Chunyu, Nimaciren , Wu Qi

表10 原始种质与核心种质的主成分分析

Table 10 PCA of original and core germplasms

主成分 Principal component 原始种质Original germplasm 核心种质Core germplasm 特征值 Eigenvalue 贡献率 Contribution rate (%) 累积贡献率 Cumulative contribution rate (%) 特征值 Eigenvalue 贡献率 Contribution rate (%) 累积贡献率 Cumulative contribution rate (%) PC1 2.318 19.318 19.318 2.412 20.148 20.166 PC2 2.040 17.004 36.323 2.110 18.124 37.413 PC3 1.503 12.526 48.849 1.587 13.736 49.549 PC4 1.086 9.052 57.901 1.146 9.862 59.213 PC5 1.021 8.511 66.412 1.089 10.471 72.342