Table 2.

Analysis of variance (ANOVA) of grain protein concentration (GPC) across environments.

Sources of variation	DF	Mean squares
Environment (E)	7	0.9554*
Replication/Environment	8	0.0983*
DH lines (G)	161	2.3725****
G × E Interaction	1,127	0.1799****
Error	1,288	0.3130****

^*p < 0.05;

^****p < 0.0001; DF, degree of freedom.