中晚熟区主要高粱品种耐瘠性综合评价

张彦,王劲松,董二伟,武爱莲,王媛,焦晓燕

Comprehensive Evaluation of Low-Fertility Tolerance of Different Sorghum Cultivars in Middle-Late-Maturing Area

ZHANG Yan,WANG JinSong,DONG ErWei,WU AiLian,WANG Yuan,JIAO XiaoYan

表8 各主成分载荷系数

Table 8 Matrix of principal component loading

指标 Index 因子1 Factor 1 因子2 Factor 2 因子3 Factor 3 因子4 Factor 4 因子5 Factor 5 产量Y 0.685 -0.273 0.143 0.495 0.379 千粒重TWG 0.286 -0.153 -0.178 0.882 0.060 穗粒数GNS 0.290 -0.188 0.868 -0.188 -0.085 收获指数HI 0.201 -0.652 -0.235 0.469 0.469 地上干物质积累DMAS 0.678 0.403 0.501 0.179 -0.064 抽穗后干物质积累HDMA 0.580 -0.523 0.175 0.490 0.108 叶面积指数LAI -0.192 0.852 -0.030 -0.304 0.243 穗长PL -0.166 0.296 0.812 -0.314 0.053 穗宽PW 0.010 0.151 0.834 0.190 0.176 籽粒氮累积量GNA 0.784 -0.243 -0.008 0.389 0.150 籽粒磷累积量GPA 0.893 -0.184 0.030 -0.007 0.224 籽粒钾累积量GKA 0.246 -0.055 0.142 0.079 0.909 植株氮累积量NAG 0.848 0.123 0.015 0.258 -0.019 植株磷累积量PAG 0.944 -0.046 0.007 0.038 0.080 植株钾累积量KAG 0.132 0.828 0.313 0.085 -0.330