100份辣椒种质资源遗传多样性分析及抗病性评价

杨硕, 马晓娟, 郑璇, 侯艺, 叶林, 程国新

Genetic Diversity Analysis and Disease Resistance Evaluation of 100 Pepper Germplasm Resources

Yang Shuo, Ma Xiaojuan, Zheng Xuan, Hou Yi, Ye Lin, Cheng Guoxin

表5 辣椒种质资源主成分分析

Table 5 Principal component analysis of pepper germplasm resources

性状Trait 主成分1 PC1 主成分2 PC2 主成分3 PC3 主成分4 PC4 叶长Leaf length 0.297 0.275 0.026 0.330 叶宽Leaf width 0.348 0.259 -0.011 0.185 株高Plant height -0.168 0.432 0.098 0.044 茎粗Stem diameter 0.198 0.359 0.108 0.441 单株果实数量Number of fruits per plant -0.236 0.217 0.332 0.331 单果重量Single fruit weight 0.403 -0.001 0.092 -0.109 果肉厚度Flesh thickness 0.371 -0.185 0.138 -0.040 果实长Fruit length -0.105 0.474 -0.017 -0.364 果实宽Fruit width 0.375 -0.137 0.198 -0.062 果梗洼大小Fruit stem depression size 0.396 -0.034 0.118 -0.129 可滴定酸含量Titrable acid content -0.166 -0.032 0.565 -0.091 果实硬度Fruit hardness -0.082 -0.436 0.167 0.408 维生素C含量Vitamin C content -0.045 -0.084 -0.548 0.410 可溶性固形物含量Soluble solids content -0.156 -0.128 0.374 0.206 特征值Eigenvalue 5.310 2.567 1.296 1.092 贡献率Contribution rate (%) 37.932 18.338 9.255 7.801 累计贡献率Cumulative contribution rate (%) 37.932 56.270 65.525 73.326