生产条件下谷子品种盐碱耐性的差异及综合评价

陈二影,秦岭,杨延兵,黎飞飞,王润丰,张华文,王海莲,刘宾,孔清华,管延安

Variation and Comprehensive Evaluation of Salt and Alkali Tolerance of Different Foxtail Millet Cultivars Under Production Conditions

ErYing CHEN,Ling QIN,YanBing YANG,FeiFei LI,RunFeng WANG,HuaWen ZHANG,HaiLian WANG,Bin LIU,QingHua KONG,YanAn GUAN

表6 主成分的特征值、贡献率和载荷矩阵

Table 6 Eigen values, contributions of principal components and loading matrix

主成分 Principal component I Ⅱ Ⅲ 特征值Eigen value 11.175 1.475 1.029 贡献率Contribution (%) 74.498 9.835 6.863 累计贡献率Cumulative contribution (%) 74.498 84.334 91.196 载荷因子 Load factor 产量盐害率YSIR -0.940 0.048 -0.016 单穗重WPP 0.983 0.143 0.073 单穗粒重GWPP 0.984 0.140 0.075 出谷率PGWPP 0.577 0.011 0.049 千粒重TKW 0.578 -0.765 0.090 干物重SBW 0.942 0.144 0.266 籽粒收获指数HI 0.728 0.008 -0.660 SPAD 0.611 0.672 0.295 花前同化物质转运量ATAPA 0.987 0.017 0.135 花前同化物质转运率ATRPA 0.939 -0.089 -0.283 花前转运同化物质对籽粒贡献率CRTAPA 0.916 -0.269 0.208 花后同化物质积累量AAAPA 0.957 0.262 0.015 花后同化物质积累量对籽粒贡献率CRAAPA -0.916 0.269 -0.208 开花期地上部含水量SWCAA -0.793 -0.271 0.471 成熟期地上部含水量SWCAM 0.906 -0.281 -0.089