Table 2.

Analysis of correlation between leaf color, chlorophyll content, and F_v/F_m in CNDH line.

DAH z	Plant Traits	Yield	CIEa*	CIEb*	Hue Angle	C*ab	Chlorophyll Content (SPAD)	Fv/Fm
0	Yield	1.000
	CIEa*	−0.025	1.000
	CIEb*	−0.091	0.042	1.000
	Hue angle (°)	0.059	−0.491 **	−0.861 **	1.000
	C*ab	−0.076	−0.540 **	0.784 **	−0.381 **	1.000
	Chlorophyll content (SPAD)	0.246 **	0.041	−0.596 **	0.489 **	−0.499 **	1.000
	Fv/Fm	−0.126	0.005	0.112	−0.096	0.092	−0.016	1.000
15	Yield	1.000
	CIEa*	−0.114	1.000
	CIEb*	0.037	−0.485 **	1.000
	Hue angle (°)	0.040	−0.213 *	−0.742 **	1.000
	C*ab	0.074	−0.776 **	0.925 **	−0.437 **	1.000
	Chlorophyll content (SPAD)	0.303 **	−0.243 **	−0.270 **	0.496 **	−0.078	1.000
	Fv/Fm	0.092	−0.080	0.323 **	−0.335 **	0.262 **	0.017	1.000
30	Yield	1.000
	CIEa*	0.135	1.000
	CIEb*	−0.177	−0.077	1.000
	Hue angle (°)	0.021	−0.693 **	−0.656 **	1.000
	C*ab	−0.214 *	−0.472 **	0.906 **	−0.288 **	1.000
	Chlorophyll content (SPAD)	0.273 **	−0.379 **	−0.409 **	0.573 **	−0.211 **	1.000
	Fv/Fm	−0.027	−0.326 **	−0.290 **	0.448 **	−0.136	0.479 **	1.000
45	Yield	1.000
	CIEa*	−0.005	1.000
	CIEb*	−0.011	0.725 **	1.000
	Hue angle (°)	−0.051	−0.816 **	−0.756 **	1.000
	C*ab	−0.020	0.431 **	0.917 **	−0.506 **	1.000
	Chlorophyll content (SPAD)	0.032	−0.674 **	−0.668 **	0.644 **	−0.481 **	1.000
	Fv/Fm	−0.057	−0.589 **	−0.300 **	0.443 **	−0.078	0.474 **	1.000

^z DAH means days after heading date, * significant at 0.05 level; ** significant at 0.01 level.