Table 6.

Variance components, genetic parameter estimates and prediction of gains with selection for iron and zinc concentrations in common beans that were obtained from crosses Cal 96 ˣ RWR 2154 and MCR-ISD-672 ˣ RWR 2154.

CAL 96 ˣ RWR 2154
Trait	P1	P2	F1	F2	BC1P1	BC1P2	$H^2$	${\mathit{h}}^{\mathbf{2}}$	GA	GAM
Iron	29.60	90.50	71.52	168.09	141.79	104.63	0.62	0.53	16.56	18.71
Zinc	2.86	7.04	8.96	23.97	21.79	21.19	0.74	0.21	7.44	23.77
MCR-ISD-672 ˣ RWR 2154
Iron	20.14	90.50	12.09	233.26	161.56	129.65	0.82	0.75	25.94	30.49
Zinc	6.42	7.04	5.90	16.10	12.96	11.88	0.60	0.46	4.95	15.94

${\mathit{h}}^{\mathbf{2}}$ = narrow sense heritability, $H^2$ = broad sense heritability, GA = genetic advance, GAM = genetic advance as percentage of mean.