播期对苦荞生长发育及产量的影响
李春花, 吴晗, 加央多拉, 杨志雪, 王艳平, 冯博, 王春龙, 李雪英, 卜瑞, 郭来春, 任长忠

Effects of Sowing Date on Growth, Development and Yield of Tartary Buckwheat
Li Chunhua, Wu Han, Jiayangduola , Yang Zhixue, Wang Yanping, Feng Bo, Wang Chunlong, Li Xueying, Bu Rui, Guo Laichun, Ren Changzhong
表8 9个苦荞品种在3个播期下的农艺性状主成分分析
Table 8 Principal component analysis of agronomic traits of nine tartary buckwheat varieties at three sowing dates
主成分
Principal
component
特征值
Eigenvalue
贡献率
Contribution
rate (%)
累计贡献率
Cumulative
contribution rate (%)
PC1 6.150 43.929 43.929
PC2 2.554 18.242 62.171
PC3 2.008 14.340 76.511
PC4 1.013 7.234 83.745