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
	𝐾	−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
	𝐾	−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
	𝐾	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
	𝐾	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
	𝐾	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

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.