Estimation of Breeding Parameters from Phenotypic Data of F4:5 RIL in Ethiopian Malt Barley (Hordeum distichum L.) Breeding Population

Table 6

Variance components for the genetic and genotype × location effects of parents, crosses, and RIL within crosses estimated from the combined analysis over locations.

Source of variation	DF	DH	DM	PH	TKW	ME	FR	GPC	BG
Parents ()	16	27.01	13.64	240.65	15.70	0.68	55.99	0.67	7725.53
Parent: Loc	16	2.60	14.21	22.92	4.79	1.24	29.63	0.15	4401.44
Crosses ()	29	7.90	20.36	15.13	10.87	0.82	25.88	0.07	3398.14
Cross: Loc	29	0.99	2.66	55.70	3.11	0.30	14.94	0.25	6762.4
RIL ()	870	11.14	9.15	30.66	14.13	0.34	27.17	0.196	1811.44
RIL: Loc	870	3.55	8.29	39.28	2.82	0.27	42.69	0.11	13984.4
Ratio : /2		0.60	2.99	0.13	1.39	2.41	0.92	0.22	0.89
Ratio :		0.71	2.23	0.50	0.77	2.41	0.95	0.37	1.88

, , significance at α = 0.05, 0.01, 0.001, respectively, DF = degree of freedom, DH = days to heading, DM = days to maturity, PH = plant height, TKW = thousand kernel weight, ME = malt extract, FR = friability, GPC = gain protein concentration, BG = beta-glucan.