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

Table 7

Estimate of direct (bold diagonal) and indirect effect (off diagonal) at genotypic level of 13 quantitative traits on yield per plant among 100 taro accessions tested at Abakaliki, Nigeria (2018 and 2019).

Traits	NLPP	PHt	PL	LL	LB	LAI	COL	COD	CRD	CRL	COW	CRW	rg
NLPP	−0.2	−0.8	0.43	0	0.81	−0.42	−0.02	0.07	−0.02	−0.03	−0.33	−0.15	−0.64
PHt	0.11	1.49	−0.66	−0.01	−1.65	0.93	0.08	−0.11	0.02	0.07	0.56	0.21	0.99
PL	0.11	1.31	−0.75	−0.01	−1.19	0.7	0.06	−0.11	0.02	0.05	0.62	0.21	0.99
LL	0.09	1.48	−0.57	−0.01	−1.72	0.97	0.06	−0.06	0.02	0.07	0.38	0.19	0.85
LB	0.09	1.43	−0.54	−0.01	−1.72	0.97	0.07	−0.05	0.02	0.07	0.4	0.21	0.92
LAI	0.09	1.43	−0.38	−0.01	−1.70	0.97	0.06	−0.05	0.02	0.07	0.35	0.21	0.82
COL	0.03	0.98	−0.38	0.00	−0.96	0.47	0.12	−0.11	−0.01	0.06	0.41	0.16	0.71
COD	0.07	0.79	−0.43	0.00	−0.41	0.22	0.07	−0.20	0.02	0.01	0.58	0.21	0.91
CRD	0.07	0.66	−0.32	0.00	−0.69	0.35	0.00	−0.06	0.05	0	0.25	0.21	0.49
CRL	0.08	1.37	−0.48	−0.01	−1.67	0.90	0.10	−0.04	0.00	0.08	0.39	0.06	0.69
COW	0.09	1.12	−0.63	−0.01	−0.93	0.46	0.07	−0.16	0.02	0.04	0.74	0.21	0.99
CRW	0.13	1.48	−0.74	−0.01	−1.70	0.96	0.09	−0.20	0.05	0.02	0.73	0.21	0.99

Note: residual = 0.228, : significant, : highly significant, NLPP: number of leaves per plant, PHt: plant height (cm), PL: petiole length (cm), LL: leaf length (cm), LB: leaf breadth (cm), LAI: leaf area (square centimetre), COL: corm length (cm), COD: corm diameter (cm), CRD: cormel diameter (cm), CRL: cormel length (cm), COW: corm weight (g), CRW: cormel weight (g), rg: genotypic correlation.