尾叶樱桃天然种群叶表型性状变异研究

朱弘,朱淑霞,李涌福,伊贤贵,段一凡,王贤荣

Leaf phenotypic variation in natural populations of Cerasus dielsiana

ZHU Hong,ZHU Shu-Xia,LI Yong-Fu,YI Xian-Gui,DUAN Yi-Fan,WANG Xian-Rong

表1 主成分分析(PCA)筛选后影响尾叶樱桃的4个主导气候变量及其贡献率

Table 1 Four dominant climatic variables that affect Cerasus dielsiana after principal component analysis (PCA) screening and its contributions

代码 Code 气候变量 Climatic variables 特征值 Eigenvalue 作为第1主成分的贡献率 Variance contribution rate as first principal component (%) bio4 气温季节变化 Temperature seasonality (SD × 100) -0.151 97.459% bio12 年降水量 Annual precipitation (mm) 0.784 bio16 最湿季降水量 Precipitation of wettest quarter (mm) 0.420 bio18 最暖季降水量 Precipitation of warmest quarter (mm) 0.403