Table 8.

Correlation matrix among the traits in sugarcane varieties.

Parameter	PN	E	GS	LAI	MFIA	TD	TR	LD	NSH	D	SSW	CY
PN	1.000
E	0.565∗	1.000
GS	0.608∗∗	0.679∗∗	1.000
LAI	0.176	0.014	−0.258	1.000
MFIA	−0.192	−0.187	0.099	−0.739∗∗	1.000
TD	−0.273	−0.181	0.142	−0.933∗∗	0.851∗∗	1.000
TR	−0.206	−0.085	0.201	−0.963∗∗	0.878∗∗	0.978∗∗	1.000
LD	0.220	0.133	−0.204	0.942∗∗	−0.769∗∗	−0.986∗∗	−0.957∗∗	1.000
NSH	0.290	−0.083	−0.284	0.549∗	−0.390	−0.533∗	−0.529∗	0.561∗	1.000
D	0.006	0.404	0.195	−0.219	−0.078	0.057	0.105	−0.089	−0.600	1.000
SSW	−0.056	0.349	0.151	−0.176	−0.093	0.069	0.081	−0.116	−0.689∗∗	0.953∗∗	1.000
CY	0.248	0.340	−0.100	0.422	−0.551∗	−0.522∗	−0.510∗∗	0.503∗	0.342	0.484	0.428	1.000

Notes: (1) PN: photosynthesis rate, μmolm⁻² s⁻¹; E: transpiration rate, mmolm⁻² s⁻¹; GS: stomatal conductance, mmolm⁻² s⁻¹; LAI: leaf area index; MFIA: mean leaf angle degree; TD: transmission coefficient for diffuse penetration; TR: transmission coefficient for solar beam radiation penetration; LD: leaf distribution; CY: cane yield; NSH: number of stalks per hectare; D: diameter; SSW: fresh single stalk weight. (2) ⁻Negative load value; the larger absolute value means the larger load value. (3) ∗Significant differences at the level of 0.05; ∗∗significant differences at the level of 0.01.