Genetic Diversity and Association of Yield-Related Traits in Taro (Colocasia esculenta (L.) Schott) Sourced from Different Agroecological Origins of Nigeria

Table 5

Estimate of variability for 16 quantitative characters of 100 taro accessions tested at Abakaliki, Nigeria (2018 and 2019).

Traits					GCV (%)	PCV (%)	(%)	GA	GMA (%)
NLPP	0.290	0.010	0.330	0.170	5.592	5.965	87.879	0.886	9.200
PHT	56.790	18.990	80.390	56.380	10.011	11.910	70.643	11.116	14.766
PL	10.060	7.500	18.420	18.420	9.968	13.488	54.615	4.114	12.928
LL	21.840	0.010	31.110	37.080	9.916	11.835	70.203	6.872	14.581
LB	10.300	0.010	14.620	17.310	8.950	10.663	70.451	4.728	13.183
LAI	0.010	0.010	0.011	0.010	76.923	80.670	91.743	0.168	129.307
NSPP	1.730	0.800	2.570	1.750	16.950	20.659	67.315	1.894	24.406
MD	25.730	15.470	41.980	34.040	2.572	3.286	61.291	6.969	3.534
YPP	0.010	0.010	0.020	0.020	14.925	21.108	50.000	0.124	18.522
COL	0.570	0.010	0.710	0.550	11.268	12.576	80.282	1.187	17.719
COD	0.970	0.010	1.100	0.520	14.613	15.561	88.182	1.623	24.082
CRL	0.210	0.040	0.320	0.370	7.928	9.787	65.625	0.652	11.272
CRD	0.090	0.010	0.120	0.020	8.086	9.337	75.000	0.456	12.290
COW	0.001	0.010	0.001	0.010	58.824	58.824	92.593	0.053	31.413
CRW	20.310	27.400	45.830	47.270	11.349	17.048	44.316	5.265	13.259
TYLD	5.910	3.060	8.110	2.665	24.118	28.252	72.873	3.642	36.132

Genotypic (), genotype by environment (), phenotypic () and residual ( components of variances, genotypic (GCV) and phenotypic (PCV) coefficient of variability, broad-sense heritability (), expected genetic advance (GA) and genetic advance as a percentage of mean (GAM %), NLPP: number of leaves per plant, PHt: plant height (cm), PL: petiole length (cm), NSPP: number of suckers per plant, MD: days to maturity, YPP: yield per plant (kg), CRW: cormel weight (g) and total yield (tons/ha), leaf length, leaf breadth, leaf area, corm length, corm diameter, cormel length, and cormel diameter.