Research Article
Seasonal Variation of the Canopy Structure Parameters and Its Correlation with Yield-Related Traits in Sugarcane
Table 9
Loading matrix of varimax orthogonal rotation factors.
| Stages | Characters | Factor 1 | Factor 2 | Factor 3 | Factor 4 | Factor 5 | Factor 6 | JD | SV |
| Seeding | LAI | 0.102 | −0.941 | 0.046 | 0.196 | 0.027 | −0.051 | 0.940 | 0.060 | MFIA | −0.292 | 0.898 | 0.126 | −0.065 | 0.012 | 0.121 | 0.926 | 0.074 | TD | 0.162 | 0.928 | −0.065 | −0.181 | −0.183 | 0.053 | 0.960 | 0.040 | TR | 0.145 | 0.946 | −0.049 | −0.237 | −0.056 | 0.041 | 0.979 | 0.022 | | −0.253 | 0.908 | 0.091 | −0.135 | 0.003 | 0.183 | 0.948 | 0.052 | LD | −0.351 | −0.793 | 0.212 | 0.205 | 0.246 | −0.041 | 0.902 | 0.098 |
| Tillering | LAI | 0.012 | 0.236 | 0.104 | −0.915 | 0.184 | −0.066 | 0.942 | 0.058 | MFIA | −0.228 | −0.194 | 0.357 | 0.826 | 0.170 | −0.084 | 0.936 | 0.064 | TD | −0.130 | −0.170 | 0.021 | 0.902 | 0.028 | 0.286 | 0.942 | 0.058 | TR | −0.069 | −0.175 | 0.076 | 0.967 | −0.101 | 0.016 | 0.986 | 0.014 | | −0.201 | −0.235 | 0.254 | 0.855 | 0.191 | −0.065 | 0.932 | 0.068 | LD | −0.021 | 0.071 | 0.195 | −0.781 | 0.162 | −0.402 | 0.841 | 0.159 |
| Early elongation | LAI | −0.451 | −0.147 | 0.807 | 0.004 | −0.149 | −0.072 | 0.904 | 0.096 | MFIA | 0.656 | −0.142 | −0.618 | −0.052 | 0.199 | −0.220 | 0.923 | 0.077 | TD | 0.515 | 0.055 | −0.802 | −0.152 | 0.145 | −0.055 | 0.959 | 0.041 | TR | 0.553 | 0.038 | −0.792 | −0.065 | 0.177 | −0.039 | 0.970 | 0.030 | | 0.641 | −0.137 | −0.592 | −0.014 | 0.217 | −0.195 | 0.866 | 0.134 | LD | −0.454 | −0.073 | 0.816 | 0.173 | −0.096 | 0.001 | 0.915 | 0.085 |
| Rapid elongation | LAI | −0.854 | 0.171 | 0.076 | 0.232 | −0.109 | −0.118 | 0.843 | 0.157 | MFIA | 0.858 | 0.190 | −0.259 | 0.073 | 0.172 | 0.029 | 0.875 | 0.125 | TD | 0.943 | 0.023 | −0.208 | −0.172 | 0.026 | 0.016 | 0.963 | 0.038 | TR | 0.934 | −0.010 | −0.255 | −0.063 | 0.135 | 0.027 | 0.961 | 0.039 | | 0.469 | −0.147 | 0.353 | 0.193 | 0.569 | −0.140 | 0.747 | 0.253 | LD | −0.860 | 0.025 | 0.300 | 0.124 | 0.053 | −0.085 | 0.856 | 0.144 |
| Late elongation | LAI | 0.153 | −0.144 | −0.126 | 0.041 | 0.811 | −0.214 | 0.765 | 0.235 | MFIA | 0.182 | 0.053 | 0.386 | 0.251 | −0.414 | 0.633 | 0.820 | 0.180 | TD | −0.055 | 0.146 | 0.260 | 0.192 | −0.895 | 0.204 | 0.971 | 0.029 | TR | 0.934 | −0.010 | −0.255 | −0.063 | 0.135 | 0.027 | 0.961 | 0.039 | | 0.192 | 0.044 | 0.385 | 0.260 | −0.378 | 0.645 | 0.813 | 0.187 | LD | 0.151 | −0.117 | 0.009 | −0.109 | 0.913 | 0.056 | 0.885 | 0.115 |
| | PH | −0.358 | −0.128 | 0.085 | −0.198 | −0.615 | 0.247 | 0.630 | 0.370 | | SNH | −0.191 | 0.028 | 0.691 | −0.093 | 0.439 | −0.423 | 0.895 | 0.105 | | SD | 0.086 | 0.169 | −0.231 | 0.150 | −0.100 | 0.884 | 0.903 | 0.097 | | SDW | −0.040 | 0.139 | −0.179 | 0.084 | −0.268 | 0.915 | 0.969 | 0.031 | | CY | −0.228 | 0.211 | 0.507 | −0.073 | 0.213 | 0.687 | 0.875 | 0.125 | | VC | 7.668 | 5.441 | 5.312 | 5.275 | 4.114 | 3.692 | | | |
% | 21.907 | 37.452 | 52.628 | 67.698 | 79.452 | 89.999 | | | | CV % | 32.410 | 52.910 | 69.020 | 77.660 | 84.880 | | | |
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Notes: JD: joint degree; SV: special variance; PH: plant height; SNH: stalk number per hectare; SD: stem diameter; SDW: single stem weight; CY: cane yield; VC: variance contribution; CV: cumulative contribution.
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