Table 3.

Summary statistics (mean ± standard error of mean (SEM), coefficient of variation (CV) and broad-sense heritability estimates (H²) for phenotypic data across locations and years.

Trait	Igbariam			Otobi			Umudike			Pooled
	Mean ± SEM	CV	H2	Mean ± SEM	CV	H2	Mean ± SEM	CV	H2	Mean ± SEM	CV	H2
CGMS	2.04 ± 0.05	49.49	0.37	2.80 ± 0.07	51.19	0.32	1.72 ± 0.05	52.39	0.39	2.19 ± 0.04	55.94	0.36
LP	4.65 ± 0.14	58.29	0.27	3.36 ± 0.15	87.13	0.36	4.74 ± 0.14	55.17	0.47	4.25 ± 0.09	66.42	0.37
LR	4.00 ± 0.05	24.28	0.45	3.18 ± 0.07	44.59	0.52	4.05 ± 0.05	25.25	0.53	3.75 ± 0.03	32.60	0.50
SG	2.46 ± 0.03	22.44	0.33	2.14 ± 0.04	34.48	0.28	2.55 ± 0.03	23.30	0.36	2.39 ± 0.02	27.55	0.32
BIOMASS	8.76 ± 0.36	77.65	0.66	6.34 ± 0.31	91.63	0.58	10.97 ± 0.46	78.94	0.76	8.69 ± 0.23	85.46	0.67
RDMC	28.46 ± 0.30	20.29	0.39	24.00 ± 0.40	31.92	0.24	30.85 ± 0.33	20.49	0.41	27.77 ± 0.22	25.96	0.35
FRY	21.12 ± 0.71	48.10	0.47	18.01 ± 0.60	62.78	0.59	24.98 ± 0.92	49.77	0.62	21.37 ± 0.48	58.85	0.56

CGMS, Cassava green mite severity; LP, leaf pubescence; LR, leaf retention; SG, stay green; RDMC, root dry matter content; FRY, fresh root yield; SEM, standard error of mean; CV, coefficient of variation; H², broad-sense heritability.