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

Table 6

Mean and genetic estimates of some reproductive, grain yield, and yield components of the African yam bean.

Traits	Mean	GV	PV	EV	GCV (%)	PCV (%)	ECV (%)	h^2(%)	GA (%)	GAM
DF 50%	94.64	1.79	4.04	2.25	1.41	2.12	1.59	44.24	1.83	1.94
Pods/peduncle	4.31	0.26	0.45	0.19	11.88	15.53	10.00	58.54	0.81	18.73
Pods/plant	16.16	6.63	9.35	2.72	15.93	18.92	10.21	70.91	4.47	27.64
Seeds/pod	17.67	4.17	5.67	1.50	11.55	13.47	6.93	73.56	3.61	20.41
100 seed weight	26.24	5.86	8.48	2.62	9.27	11.10	6.17	69.12	4.15	15.80
Pod length (cm)	25.73	4.87	7.45	2.58	8.57	10.61	6.24	65.35	3.67	14.28
Pod weight (g)	1.78	0.05	0.09	0.05	12.14	17.12	12.07	50.31	0.32	17.74
Pod beak length (cm)	1.59	0.06	0.15	0.09	15.32	24.32	18.89	39.69	0.32	19.89
Pod weight/plant	20.01	4.94	10.61	5.67	11.11	16.28	11.90	46.58	3.13	15.62
Seed length (cm)	0.76	0.01	0.01	0.01	3.25	9.43	8.85	11.85	0.018	2.30
Seed width (mm)	0.48	0.01	0.01	0.01	6.08	10.23	8.22	35.39	0.04	7.45
Seed weight/plant	38.50	12.56	18.38	5.82	9.20	11.14	6.27	68.32	6.03	15.67
Grain yield (kg/ha)	1314	14213.67	20271.33	6057.67	9.07	10.84	5.92	70.12	205.65	15.65

GCV = genotypic coefficient of variation, GV = genotypic variation, PV = phenotypic variation; PCV = phenotypic coefficient of variation; GAM = genetic advance as percent of mean.