Comparing Relationships among Yield and Its Related Traits in Mycorrhizal and Nonmycorrhizal Inoculated Wheat Cultivars under Different Water Regimes Using Multivariate Statistics
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.
Variables
Effects via
Direct effect
Indirect effect
Y
X1
X2
X3
X4
X5
X6
X7
X8
X9
X10
X11
X1
−0.028
−0.005
−0.004
0.664
0.019
−0.023
−0.007
−0.02
0.019
0.007
−0.002
−0.028
0.653
0.625
X2
−0.018
−0.007
−0.004
0.741
0.024
−0.019
−0.009
−0.018
0.021
0.007
−0.002
−0.007
0.728
0.721
X3
−0.016
−0.004
−0.006
0.623
0.019
−0.016
−0.009
−0.018
0.018
0.006
−0.001
−0.006
0.607
0.601
X4
−0.019
−0.005
−0.004
1.023
0.025
−0.02
−0.011
−0.019
0.017
0.007
−0.003
1.023
−0.025
0.998
X5
−0.017
−0.005
−0.004
0.802
0.032
−0.019
−0.01
−0.019
0.019
0.007
−0.003
0.032
0.756
0.788
X6
−0.019
−0.004
−0.003
0.577
0.017
−0.035
−0.006
−0.015
0.011
0.006
−0.002
−0.035
0.567
0.532
X7
−0.015
−0.004
−0.004
0.804
0.021
−0.014
−0.014
−0.017
0.014
0.007
−0.002
−0.014
0.796
0.782
X8
−0.021
−0.005
−0.004
0.702
0.022
−0.019
−0.009
−0.027
0.018
0.006
−0.001
−0.027
0.694
0.667
X9
−0.021
−0.006
−0.005
0.695
0.024
−0.016
−0.008
−0.020
0.025
0.006
−0.002
0.025
0.652
0.677
X10
−0.017
−0.004
−0.003
0.613
0.018
−0.018
−0.008
−0.015
0.012
0.013
−0.002
0.013
0.580
0.593
X11
−0.012
−0.004
−0.002
0.529
0.016
−0.015
−0.006
−0.004
0.007
0.005
−0.005
−0.005
0.519
0.514
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.