Table 3: Path coefficient (direct and indirect effects) of the measured variables attributed on grain yield variation of wheat in inoculation condition and different water levels.

VariablesEffects via Direct effect Indirect effect Y
X1X2X3X4X5X6X7X8X9X10X11

X1−0.028 −0.005−0.0040.6640.019−0.023−0.007−0.020.0190.007−0.002−0.028 0.6530.625
X2−0.018−0.007 −0.0040.7410.024−0.019−0.009−0.0180.0210.007−0.002−0.007 0.7280.721
X3−0.016−0.004−0.006 0.6230.019−0.016−0.009−0.0180.0180.006−0.001−0.006 0.6070.601
X4−0.019−0.005−0.0041.023 0.025−0.02−0.011−0.0190.0170.007−0.0031.023 −0.0250.998
X5−0.017−0.005−0.0040.8020.032 −0.019−0.01−0.0190.0190.007−0.0030.032 0.7560.788
X6−0.019−0.004−0.0030.5770.017−0.035 −0.006−0.0150.0110.006−0.002−0.035 0.5670.532
X7−0.015−0.004−0.0040.8040.021−0.014−0.014 −0.0170.0140.007−0.002−0.014 0.7960.782
X8−0.021−0.005−0.0040.7020.022−0.019−0.009−0.027 0.0180.006−0.001−0.027 0.6940.667
X9−0.021−0.006−0.0050.6950.024−0.016−0.008−0.0200.025 0.006−0.0020.025 0.6520.677
X10−0.017−0.004−0.0030.6130.018−0.018−0.008−0.0150.0120.013 −0.0020.013 0.5800.593
X11−0.012−0.004−0.0020.5290.016−0.015−0.006−0.0040.0070.005−0.005 −0.005 0.5190.514

X1: tiller numbers/plant, X2: spike length, X3: spikelets/spike, X4: spike weight/plant, X5: grains/spike, X6: grain weight/spike, X7: 100-grain weight, X8: total chlorophyll content of flag leaf, X9: biological yield/plant, X10: root weight, and X11: leaves area.