Genotype by Environment Interaction on Grain Yield Stability and Iron and Zinc Content in OPV of Pearl Millet in Ghana Using the AMMI Method

Table 5

Estimates of phenotypic, genotypic, and genotype × environment variability components, broad-sense heritability, and phenotypic and genotypic coefficient of variations for grain yield and other related traits of 22 OPVs in Ghana.

Parameter	DFF	DMinc	PH	GY	TSW	Fe	Zn
	31.06	10.94	530.31	45996.7	0.01	34.72	30.38
× e	8.81	6.57	316.6	134646	0.01	24.02	11.62
σ^2p	40.05	17.74	860.99	185291	0.02	59.87	43.25
	77.53	61.64	61.59	24.82	56.01	57.99	70.25
PCV	12.29	49.44	14.48	29.69	1.5	18.85	20.83
GCV	10.82	38.82	11.36	14.79	1.12	14.36	17.46
GAM	19.63	62.78	18.37	15.18	1.73	22.51	30.16

,  × e, σ²p = genotypic, genotype × environment, and phenotypic variances, respectively,  = broad-sense heritability, PCV and GCV = phenotypic and genotypic coefficient of variation, respectively, and GAM = genetic gain as percent of mean.