Comparing Relationships among Yield and Its Related Traits in Mycorrhizal and Nonmycorrhizal Inoculated Wheat Cultivars under Different Water Regimes Using Multivariate Statistics
Table 5
The regression coefficient (), standard error (SE), value, and probability of the estimated variables in predicting wheat grain yield by the multiple linear regression analysis under inoculation (In) and noninoculation (non-In) conditions and different water levels.
Predictor
DF
SE
Constant
In
1
0.5394
0.49180
1.10
0.284
Non-In
1
−0.0893
0.20870
−0.43
0.672
X1
In
1
−0.1164
0.08245
−1.41
0.171
Non-In
1
−0.0061
0.04145
−0.15
0.884
X2
In
1
−0.0202
0.05014
−0.40
0.691
Non-In
1
−0.0103
0.02030
−0.51
0.618
X3
In
1
−0.0082
0.02037
−0.40
0.693
Non-In
1
0.0032
0.01477
0.22
0.830
X4
In
1
0.9617
0.01927
49.90
0.001
Non-In
1
0.9780
0.01041
93.96
0.001
X5
In
1
0.0110
0.00699
1.56
0.131
Non-In
1
0.0120
0.00389
3.07
0.005
X6
In
1
−0.7802
0.34490
−2.26
0.033
Non-In
1
−1.5139
0.24110
−6.28
0.001
X7
In
1
−0.0070
0.00979
−0.71
0.483
Non-In
1
−0.0045
0.00538
−0.84
0.411
X8
In
1
−0.0042
0.00318
−1.33
0.196
Non-In
1
−0.0032
0.00196
−1.61
0.120
X9
In
1
0.0131
0.01165
1.12
0.273
Non-In
1
−0.0109
0.00541
−2.01
0.056
X10
In
1
0.0840
0.09246
0.91
0.373
Non-In
1
0.1195
0.05402
2.21
0.037
X11
In
1
−0.0008
0.00318
−0.25
0.803
Non-In
1
0.0049
0.00177
2.74
0.011
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.
