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 4

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

Traits	Range	Mean ± SE	σ ^2p	σ ^2e	σ ^2g	PCV (%)	GCV (%)	H^2(%)	GA	GAM (%)
DF	35–37	35.97 ± 0.57	0.34	0.14	0.20	1.63	1.25	59.25	0.71	1.98
DM	79–82	80.28 ± 0.46	0.42	0.37	0.05	0.81	0.28	11.77	0.16	0.20
PH	35–55	45.87 ± 6.40	40.08	25.7	14.38	13.80	8.27	35.86	4.67	10.18
GFP	43–46	44.31 ± 0.69	0.42	0.26	0.16	1.47	0.91	38.09	0.51	1.15
INL	2–5	3.32 ± 6.56	0.96	0.91	0.05	29.53	6.99	5.61	0.11	3.40
NN	2–7	4.16 ± 13.04	0.68	0.58	0.10	19.89	7.52	14.29	0.24	5.84
PP	5–20	11.35 ± 14.31	12.17	7.92	4.25	30.75	18.18	34.96	2.51	22.10
SP	2–5	3.813 ± 7.50	0.43	0.24	0.19	17.26	11.35	43.21	0.58	15.33
HSW	32–51	39.133 ± 1.73	19.58	7.04	12.54	11.31	9.05	64.06	5.83	14.89
SY	989–2309	1432 ± 1.73	90563.59	26130.03	64433.56	21.02	17.73	71.15	440.21	30.75

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.