Table 10: (a) Eigenvalues and the correlation matrix for the estimated variables of wheat using principal component procedure for inoculated wheat cultivars under different water levels. (b) Eigenvalues and the correlation matrix for the estimated variables of wheat using principal component procedure for noninoculated wheat cultivars under different water levels.

(a)

Variables PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 X1 −0.293 −0.092 −0.452 −0.003 −0.018 −0.290 −0.573 0.035 −0.080 0.271 −0.455 0.020 X2 −0.311 −0.011 0.003 −0.397 0.243 −0.005 0.373 0.420 −0.313 −0.345 −0.392 0.006 X3 −0.271 −0.373 0.087 −0.061 0.116 0.771 −0.285 −0.096 0.228 −0.125 −0.095 0.004 X4 −0.33 0.132 0.260 0.104 −0.295 −0.113 −0.045 0.270 0.327 −0.034 −0.021 −0.716 X5 −0.316 0.041 0.145 −0.202 −0.010 −0.051 0.426 −0.622 0.137 0.409 −0.281 −0.021 X6 −0.248 0.138 −0.614 0.190 −0.418 0.352 0.358 0.125 −0.113 0.126 0.188 0.023 X7 −0.287 0.055 0.440 0.359 −0.035 0.111 −0.135 −0.027 −0.716 0.202 0.080 0.010 X8 −0.294 −0.371 −0.103 0.164 −0.194 −0.329 0.025 −0.408 −0.081 −0.626 0.162 0.018 X9 −0.305 −0.297 −0.036 −0.439 0.186 −0.173 −0.050 0.153 −0.012 0.314 0.660 −0.019 X10 −0.262 0.151 −0.152 0.537 0.716 −0.070 0.138 0.028 0.228 −0.006 0.087 −0.009 X11 −0.191 0.737 −0.074 −0.327 0.075 0.104 −0.314 −0.273 −0.050 −0.276 0.198 0.003 Y −0.327 0.136 0.298 0.085 −0.273 −0.125 −0.027 0.268 0.362 −0.008 −0.006 0.697 Eigenvalue 7.620 1.072 0.805 0.574 0.481 0.390 0.326 0.248 0.236 0.167 0.080 0.001 Proportion 0.635 0.089 0.067 0.048 0.04 0.032 0.027 0.021 0.02 0.014 0.007 0.000 Cumulative 0.635 0.724 0.791 0.839 0.879 0.912 0.939 0.96 0.979 0.993 1.000 1.000

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, X11: leaves area, and Y: grain yield.

(b)

Variable PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 X1 −0.290 −0.379 0.041 −0.261 0.056 −0.044 −0.481 0.345 0.221 0.440 −0.323 0.001 X2 −0.264 −0.329 0.198 0.407 −0.235 0.435 −0.178 −0.560 −0.062 0.146 0.043 0.003 X3 −0.290 −0.101 −0.217 0.048 0.532 0.499 0.211 0.211 0.339 −0.111 0.329 −0.001 X4 −0.315 0.296 −0.358 0.288 −0.054 −0.118 −0.119 0.085 −0.161 0.161 0.041 −0.715 X5 −0.298 −0.015 0.428 0.089 0.124 −0.074 0.664 0.145 −0.249 0.348 −0.230 −0.024 X6 −0.255 0.382 0.526 −0.183 −0.004 0.196 −0.370 0.24 −0.324 −0.159 0.338 0.047 X7 −0.284 −0.184 −0.350 −0.519 0.110 0.117 0.058 −0.250 −0.550 −0.240 −0.208 0.006 X8 −0.290 −0.355 0.056 −0.076 0.037 −0.623 0.035 −0.167 0.044 −0.026 0.601 0.015 X9 −0.324 −0.135 0.128 0.348 −0.028 −0.197 −0.055 0.180 0.122 −0.703 −0.393 0.020 X10 −0.274 0.068 −0.095 −0.312 −0.752 0.169 0.295 0.137 0.319 −0.062 0.094 −0.014 X11 −0.263 0.477 0.145 −0.247 0.241 −0.135 −0.035 −0.539 0.449 0.029 −0.223 −0.020 Y −0.309 0.307 −0.390 0.292 −0.058 −0.120 −0.068 0.066 −0.131 0.209 0.007 0.697 Eigenvalue 7.200 1.231 0.764 0.661 0.550 0.501 0.360 0.267 0.210 0.166 0.088 0.000 Proportion 0.600 0.103 0.064 0.055 0.046 0.042 0.030 0.022 0.017 0.014 0.007 0.000 Cumulative 0.600 0.703 0.766 0.821 0.867 0.909 0.939 0.961 0.979 0.993 1.000 1.000

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, X11: leaves area, and Y: grain yield.