. 2018 Jul 4;69(11):691–712. doi: 10.1071/CP17348

Table 3.

Variance decomposition and heritability for grain yield and agronomic traits of 43 testcross hybrids, two internal WEMA hybrid checks, three commercial hybrids and two local hybrid checks across drought, optimum conditions, and environments in Uganda and Tanzania

Random drought								Optimum-moisture							Across environments
	$σ_{G}^{2}$	$σ_{L}^{2}$	$σ_{G \times L}^{2}$	$σ_{E}^{2}$	Mean	l.s.d.	H²	$σ_{G}^{2}$	$σ_{L}^{2}$	$σ_{G \times L}^{2}$	$σ_{E}^{2}$	Mean	l.s.d.	H²	$σ_{G}^{2}$	$σ_{L}^{2}$	$σ_{G \times L}^{2}$	$σ_{E}^{2}$	Mean	l.s.d.	H²
GY	0.07	11.74	0.09	0.83	5.64	1.14	0.29	0.11	1.03	0.22	1.15	7.07	0.78	0.57	0.11	3.11	0.21	1.06	6.74	0.65	0.66
AD	0.46	185.35	3.08	4.22	65.18	3.65	0.21	0.17	19.91	0.00	4.70	62.37	1.41	0.40	0.15	49.04	0.44	5.01	63.05	1.36	0.38
ASI	0.03	0.00	0.02	0.75	2.71	1.01	0.18	0.00	3.15	0.00	0.97	1.00	0.64	0.00	0.00	2.87	0.00	0.96	1.42	0.55	0.00
PH	0.00	12.10	0.00	406.97	203.35	28.19	0.00	15.88	460.82	32.48	483.49	230.23	15.21	0.34	10.86	487.44	18.20	481.11	225.34	13.35	0.32
EH	0.00	52.86	0.00	129.44	103.71	15.90	0.00	5.19	64.72	17.42	275.10	111.26	11.43	0.23	3.92	66.00	8.56	254.73	109.89	9.68	0.24
EP	0.00	0.00	0.00	0.01	0.51	0.12	0.00	0.00	0.00	0.00	0.01	0.49	0.05	0.00	0.00	0.00	0.00	0.01	0.49	0.04	0.00
EPP	0.00	0.01	0.00	0.01	0.90	0.12	0.09	0.00	0.01	0.00	0.12	1.02	0.23	0.00	0.00	0.01	0.00	0.09	0.99	0.17	0.00
MOI	0.10	0.16	0.00	1.78	17.98	1.51	0.25	0.12	1.31	0.12	1.42	17.66	0.79	0.60	0.14	1.02	0.03	1.54	17.74	0.68	0.70
HC	0.44	0.07	1.04	3.10	6.05	3.18	0.25	0.12	0.67	0.22	3.99	5.08	1.30	0.35	0.19	0.69	0.28	3.88	5.24	1.18	0.51
EA	0.02	0.49	0.06	0.15	2.68	0.58	0.35	0.02	0.16	0.04	0.13	2.57	0.28	0.68	0.03	0.21	0.04	0.14	2.60	0.25	0.76
PA	0.01	0.46	0.01	0.09	2.81	0.39	0.21	0.00	0.11	0.03	0.13	2.71	0.26	0.13	0.00	0.16	0.02	0.12	2.74	0.22	0.35

GY, Grain yield; AD, days to anthesis; ASI, anthesis–silking interval; PH, plant height; EH, ear height; EP, ear position; EPP, no. of ears per plant; MOI, grain moisture; HC, husk cover; EA, ear aspect (scale of 1–5, where 1 is uniform cobs with the preferred texture and 5 is cobs with undesirable texture); PA, plant aspect. σ²_G, σ²_G×L,σ²_E: Genotypic, genotype × location, and residual variance components, respectively: H², heritabilit