Comparing Relationships among Yield and Its Related Traits in Mycorrhizal and Nonmycorrhizal Inoculated Wheat Cultivars under Different Water Regimes Using Multivariate Statistics

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.