Genetic Variability and Association of Yield and Yield-Related Traits under Moisture Stress in Common Bean Genotypes (Phaseolus vulgaris L.) at Melkassa and Miesso, Ethiopia

Table 5

Estimate of range, mean, components of variance, heritability, and genetic advance of common bean genotypes at Miesso in 2018 cropping season.

Traits	Range	Mean ± SE	σ ^2p	σ ^2e	σ ^2g	PCV (%)	GCV (%)	H^2(%)	GA	GAM (%)
DF	35–39	35.76 ± 1.09	1.05	0.44	0.61	2.86	2.18	57.94	1.22	3.41
DM	70–78	75.52 ± 1.21	4.00	2.54	1.46	2.65	1.60	36.46	1.50	1.99
PH	35–55	43.4 ± 5.13	22.64	15.04	7.60	10.96	6.35	33.56	3.28	7.56
GFP	34–42	39.76 ± 2.30	4.03	2.55	1.48	5.05	3.06	36.73	1.52	3.81
INL	2–5	3.24 ± 12.35	0.56	0.48	0.08	23.05	8.48	13.55	0.21	6.42
NN	2–5	3.973 ± 8.89	0.33	0.30	0.02	14.41	3.93	7.46	0.09	2.21
PP	3–15	9.64 ± 14.26	5.92	5.65	0.26	25.23	5.32	4.45	0.22	2.31
SP	2–5	2.68 ± 13.62	0.45	0.40	0.05	24.96	8.06	10.42	0.14	5.35
HSW	28–53	40.07 ± 5.48	27.79	14.51	13.27	13.15	9.09	47.77	5.18	12.92
SY	156–869	552.4 ± 5.48	21445.12	5798.21	15646.91	26.51	22.64	72.96	219.68	39.77

PH = plant height (cm), DF = days to 50% flowering, DM = days to 95% maturity, GFP = grain filling period, INL = internodes length (cm), NN = number of node, PP = number of pod per plant, SP = number of seeds per pod, HSW = hundred seed weight (g), SY = seed yield per hectare (kg), SE = standard error mean, σ²p = phenotypic component of variances, σ²g = genotypic component of variances, σ²e =  environmental component of variances, PCV = phenotypic coefficient of variability, GCV = genotypic coefficients of variability, H = broad sense heritability, GA = expected genetic advance, and GAM% = genetic advance as percent of the mean.