A Preliminary Evaluation of Variability, Genetic Estimates, and Association among Phenotypic Traits of African Yam Bean Landraces from Ghana

Table 5

Mean and genetic estimates of some vegetative traits of the African yam bean.

Traits	Mean	GV	PV	EV	GCV (%)	PCV (%)	ECV (%)	h^2(%)	GA (%)	GAM
IL	13.45	4.45	7.30	2.85	15.68	20.08	12.55	60.94	3.39	25.21
PL	8.42	0.33	0.97	0.63	6.86	11.67	9.43	34.54	0.70	8.30
NL	121.70	326.79	457.64	130.85	14.85	17.58	9.40	71.41	31.47	25.86
SD	1.01	0.01	0.02	0.01	9.90	14.00	9.90	50.00	0.15	14.42
PDL	12.16	8.02	8.73	0.71	23.28	24.30	6.93	91.81	5.59	45.96
LL	10.35	0.60	0.94	0.34	7.49	9.35	5.63	64.18	1.28	12.36
LW	4.26	0.10	0.16	0.06	7.48	9.36	5.75	63.88	0.52	12.31
DSE50	6.02	0.09	0.23	0.13	5.07	7.91	5.99	41.18	0.40	6.71
DM	163.07	12.29	31.38	19.10	2.15	3.44	2.68	39.15	4.52	2.77

LW = leaf width, IL = internode length, NL = number of leaves, PL = petiole length, LL = leaf length, PDL = peduncle length, SD = stem diameter, GV = genotypic variation, PV = phenotypic variation, PCV = phenotypic coefficient of variation, GCV = genotypic coefficient of variation, GA = genetic advance, GAM (%) = genetic advance as percent of mean, and H² = broad sense heritability.