The accuracy of prediction of genomic selection in elite hybrid rye populations surpasses the accuracy of marker-assisted selection and is equally augmented by multiple field evaluation locations and test years

Table 1 Estimates of variance components and heritability (h²) for grain yield, plant height, starch content and total pentosan content among 220 test-cross progenies each, obtained using F_3:4from two bi-parental segregating populations, population A and population B

Traits	Mean	Range	$σ_{G}^{2}$	$σ_{G \times E}^{2}$	$σ_{Eff . Error}^{2}$	h²
	Population A
Grain yield	79.3	73.4 - 85.4	3.33**	8.40**	3.48	0.75
Plant height	118.2	110.9 - 126.6	7.30**	4.03**	2.94	0.92
Starch content	61.6	60.0 - 62.9	0.24**	0.26**	0.14	0.87
Total pentosan content	10.0	9.5 - 10.6	0.03**	0.08**	0.04	0.75
	Population B
Grain yield	75.6	69.5 - 83.4	3.76**	9.18**	3.72	0.75
Plant height	115.6	104.5 - 127.4	12.62**	4.02**	2.22	0.96
Starch content	61.5	59.8 - 63.4	0.44**	0.24**	0.14	0.93
Total pentosan content	10.3	9.6 - 11.0	0.03**	0.09**	0.04	0.73

$σ_{G}^{2}$ refers to the genotypic variance, $σ_{G \times E}^{2}$ represents the interaction variance between genotype and environment, and $σ_{Eff . Error}^{2}$ denotes the variance of effective error.
**Significantly different from zero with P < 0.01.

ISSN: 1471-2164