谷子苗期耐低磷种质筛选及其根系保护酶系统对低磷胁迫的响应

苑乂川,陈小雨,李明明,李萍,贾亚涛,韩渊怀,邢国芳

Screening of germplasm tolerant to low phosphorus of seedling stage and response of root protective enzymes to low phosphorus in foxtail millet

Yi-Chuan YUAN,Xiao-Yu CHEN,Ming-Ming LI,Ping LI,Ya-Tao JIA,Yuan-Huai HAN,Guo-Fang XING

表4 各因子载荷矩阵

Table 4 Matrix of factor loading

耐低磷指标 Low-P tolerant index 主成分 Principal component 1 2 3 4 株高PH 0.814 -0.180 0.319 0.007 根长RL 0.421 0.827 0.260 -0.019 地上部鲜重AFW 0.810 0.005 0.156 -0.412 地下部鲜重UFW 0.164 0.957 0.114 0.031 叶长LL 0.580 -0.744 0.074 -0.233 叶宽LW 0.647 -0.172 0.336 0.479 茎粗DMS 0.673 0.027 0.408 -0.234 地上部磷含量APC 0.748 -0.043 -0.432 0.193 地下部磷含量SPC 0.584 0.236 0.649 -0.202 地上部干重ADW 0.793 0.106 -0.344 -0.113 地下部干重UDW 0.529 -0.044 -0.119 0.599