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

Table 6

Genetic correlation (below diagonal) and phenotypic correlation (above diagonal) of 13 quantitative traits of 100 taro accessions studied at Abakaliki, Nigeria, in 2018 and 2019.

Traits	NLPP	PHt	PL	LL	LB	LAI	COL	COD	CRD	CRL	COW	CRW	YPP
NLPP	1	−0.46	−0.47	−0.33	−0.31	−0.30	−0.14ns	−0.32	−0.30	−0.29	−0.41	−0.35	−0.48
PHt	−0.54	1	0.71	0.72	0.72	0.70	0.45	0.34	0.29	0.64	0.52	0.55	0.72
PL	−0.57	0.88	1	0.59	0.57	0.57	0.28	0.35	0.26	0.41	0.52	0.42	0.59
LL	−0.45	0.99	0.76	1	0.91	0.98	0.31	0.20ns	0.25	0.55	0.34	0.41	0.53
LB	−0.47	0.96	0.69	0.99	1	0.96	0.37	0.14ns	0.24	0.60	0.34	0.46	0.54
LAI	−0.43	0.96	0.72	0.99	0.99	1	0.32	0.15ns	0.23ns	0.56	0.32	0.41	0.51
COL	−0.14ns	0.66	0.51	0.48	0.56	0.48	1	0.55	−0.13ns	0.52	0.54	0.14ns	0.40
COD	−0.33	0.53	0.57	0.29	0.24	0.23	0.55	1	0.23ns	0.10ns	0.79	0.33	0.56
CRD	−0.33	0.44	0.42	0.41	0.40	0.36	−0.10ns	0.29	1	0.01ns	0.23ns	0.59	0.34
CRL	−0.38	0.92	0.64	0.94	0.97	0.93	0.80	0.19ns	0.05ns	1	0.32	0.40	0.47
COW	−0.45	0.75	0.84	0.51	0.54	0.47	0.55	0.78	0.33	0.52	1	0.51	0.68
CRW	−0.69	0.99	0.99	0.92	0.99	0.99	0.75	0.99	0.99	0.29	0.99	1	0.61
YPP	−0.64	0.99	0.99	0.85	0.92	0.82	0.71	0.91	0.49	0.69	0.99	0.99	1

Note: , : significant at probability level of 0.05 (r = 0.23) and 0.01 values (r = 0.29), respectively. rg = genotypic correlation, rp = phenotypic correlation. 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).