. 2018 Sep 25;35(3):193–206. doi: 10.5511/plantbiotechnology.18.0502a

Table 6. Summary of results of the stepwise multiple linear regression analysis for grain yield as dependent variable and other traits as independent variables at grain filling stage under deficient irrigation treatments with saline water.

Independent Variable^a	Parameter estimate
Constant	0.762**
Soluble carbohydrates	−0.153***
Δ¹³C	0.311**
WUE_gy	40.294***
R² (%)	95.64
Adjusted R² (%)	95.06
Standard error of the estimate	0.14

^a Only the variables with a significance of p<0.1 were included in the model. The variables were previously standardized. The equation of the fitted model is: Grain yield=0.762−0.153×Soluble carbohydrates+0.311×Δ¹³C +40.294×WUE_gy Significance: **, p<0.01; ***, p<0.001.