Table 6.

Estimation of variance components from linear mixed model for studied traits in sugar beet genotypes.

	Root yield (RY)	White sugar yield (WSY)	Sugar content (SC)	Extraction coefficient of sugar (ECS)
Genotype	27.40**	0.90**	0.15**	1.90**
Genotype: environment	49.00**	1.16**	0.07*	1.96**
Residuals	53.70	1.66	1.42	11.20
Heritability	0.81	0.85	0.78	0.79
R2GEI	0.37	0.31	0.04	0.13
Accuracy	0.90	0.92	0.88	0.89
rge	0.47	0.41	0.05	0.14