不同磷效率大豆农艺性状与磷/铁利用率对磷素的响应

赵婧, 孟凡钢, 于德彬, 邱强, 张鸣浩, 饶德民, 丛博韬, 张伟, 闫晓艳

Response of agronomic traits and P/Fe utilization efficiency to P application with different P efficiency in soybean

ZHAO Jing, MENG Fan-Gang, YU De-Bin, QIU Qiang, ZHANG Ming-Hao, RAO De-Min, CONG Bo-Tao, ZHANG Wei, YAN Xiao-Yan

表3 单株粒重的逐步回归方程

Table 3 Stepwise regression equation of grain weight per plant

基因型 Genotype 回归方程 Regression equation 决定系数 R2 P值 P-value 剩余标准差 Residual standard deviation 杜宾-沃森检验 Durbin-Watson test 磷高效基因型 P-efficient genotypes WE= 1.34 - 0.60X3 + 0.25X12 + 1.02Y4 0.89 1.00E-07 0.0118 2.20 磷低效基因型 P-inefficient genotypes WIE = 6.84 + 0.027X1- 0.67X2+ 0.22X4 - 0.87X6 - 0.74X10 + 0.24X12- 0.22Y2 0.87 5.41E-06 0.0196 1.62