Table 1.

Summary of phenotype variation, variance components (±SE) and broad-sense heritability (H²) for dry matter (DM), color chart, and chromameter Commission Internationale de l’Éclairage (CIELAB) readings.^†

Trait‡	DM, %	Color chart	L*	a*	b*
Minimum	8.4	1.0	69.5	–3.0	11.1
Average	28.6	1.7	84.4	–0.3	20.8
Maximum	45.4	7.0	90.2	4.6	40.8
N	3232	4237	1360	1360	1360
VG	16.52 (4.06)	1.11 (1.05)	5.22 (2.29)	0.86 (0.92)	16.52 (4.06)
VG×E	3.53 (1.88)	0.06 (0.24)	0.77 (0.88)	0.16 (0.41)	2.87 (1.69)
VE	1.91 (1.38)	0.01 (0.11)	0.53 (0.73)	0.08 (0.28)	1.11 (1.05)
Residual	10.27 (3.20)	0.17 (0.41)	3.26 (1.80)	0.30 (0.55)	2.71 (1.65)
H2	0.51	0.82	0.53	0.61	0.87

^†CIELAB readings: L*, lightness; a*, red/green coordinate; b*, yellow/blue coordinate.

^‡N, number of plots from which data was obtained for the various traits; V_G, genotype variance; V_E, environment variance; V_G×E, genotype-by-environment variance.