TABLE 1.

Means and components of variance for gray leaf spot disease severity for maize inbred lines from IMAS association panel, three DH and two F₃ populations, as well as across DH populations evaluated in two to four environments.

Population	Mean	σ2G	σ2G × E	σ2e	h2	LSD	CV
IMAS AM panel	3.98	0.05**	0.08**	0.19	0.56	0.26	22.05
CML550XCML494 DHpop1	5.24	0.07**	0.04*	0.24	0.45	0.39	15.66
CML550XCML504 DHpop2	3.90	0.07**	0.02*	0.20	0.68	0.29	22.04
CML550XCML511 DHpop3	3.29	0.05**	0.03*	0.24	0.59	0.30	24.51
CZL618XLaPostaSeqC7-F71-1-2-1-1 F3pop4	3.24	0.03*	0.03*	0.10	0.43	0.11	24.36
CZL074XLaPostaSeqC7-F103-1-2-1-1 F3pop5	3.70	0.04*	0.01	0.12	0.53	0.26	23.23
Across three DH populations	4.62	0.19**	0.13**	0.33	0.56	0.53	24.80

The environment-wise statistics are given in Supplementary Table S1. *, ** Significance at P < 0.05 and P < 0.01, respectively. σ²_G, genotypic variance; σ²_{G × E}, genotypic × environment interaction variance; σ²_e, error variance; h², broad sense heritability.