Table 4.

Comparative prediction accuracy by four models (M1 = E + L, M2 = E + L + G, M3 = E + L + G + GE and M4 = E + L + G + GE + LE) and three cross-validation schemes (CV0, CV1 and CV2) in groundnut

Traits	Heritability (%)	Main-effect models								Informed interaction model				Naïve and informed interaction model
		Lines and environment (E + L)				Lines, environment and marker information E + L + G)				Interaction effects (E + L + G + GE)				Interaction effects (E + L + G + GE + LE)
		CV0	CV1	CV2	Mean	CV0	CV1	CV2	Mean	CV0	CV1	CV2	Mean	CV0	CV1	CV2	Mean
Days to 50% flowering (FLOW50)	84.8	0.659	− 0.071	0.657	0.415	0.673	0.503	0.672	0.616	0.662	0.502	0.671	0.611	0.668	0.501	0.671	0.613
Days to maturity (DM)	96.6	0.732	− 0.059	0.731	0.468	0.709	0.466	0.731	0.635	0.731	0.489	0.769	0.663	0.723	0.488	0.769	0.660
Primary branches/plant (NPB)	78.7	0.679	− 0.077	0.675	0.426	0.688	0.531	0.690	0.637	0.690	0.540	0.694	0.641	0.687	0.538	0.695	0.640
Pods/plant (NPP)	85.0	0.442	− 0.087	0.434	0.263	0.484	0.453	0.488	0.475	0.470	0.471	0.511	0.484	0.479	0.471	0.511	0.487
Plant height (PH)	92.3	0.645	− 0.066	0.640	0.407	0.651	0.367	0.649	0.556	0.643	0.373	0.659	0.558	0.647	0.373	0.659	0.560
Pod yield/plant (PYPP)	85.8	0.334	− 0.089	0.321	0.189	0.381	0.374	0.394	0.383	0.341	0.422	0.452	0.405	0.372	0.423	0.454	0.416
Shelling  % (SHP)	82.9	0.475	− 0.085	0.468	0.286	0.488	0.326	0.491	0.435	0.485	0.334	0.505	0.441	0.485	0.335	0.504	0.441
Hundred seed weight (HSW)	93.4	0.673	− 0.076	0.670	0.423	0.674	0.430	0.679	0.595	0.675	0.469	0.721	0.622	0.678	0.469	0.721	0.623
Seed yield/plant (SYPP)	84.6	0.348	− 0.088	0.336	0.199	0.389	0.375	0.403	0.389	0.356	0.421	0.461	0.413	0.386	0.422	0.462	0.423
Total yield/plant (TYPLT)	89.3	0.507	− 0.065	0.499	0.314	0.534	0.486	0.545	0.521	0.507	0.533	0.602	0.547	0.531	0.533	0.603	0.556
Yield/ha (YPH)	89.7	0.507	− 0.065	0.499	0.314	0.534	0.486	0.545	0.521	0.507	0.533	0.602	0.547	0.531	0.533	0.603	0.556
Oleic acid (OA)	82.1	0.788	− 0.068	0.787	0.502	0.791	0.493	0.791	0.692	0.792	0.495	0.791	0.693	0.790	0.496	0.792	0.693
Linoleic acid (LA)	81.7	0.764	− 0.075	0.762	0.484	0.767	0.466	0.766	0.666	0.767	0.468	0.769	0.668	0.769	0.468	0.769	0.669
Oleic/linoleic acid ratio (OLR)	96.7	0.759	− 0.068	0.757	0.483	0.763	0.469	0.762	0.665	0.763	0.472	0.764	0.666	0.762	0.473	0.765	0.666
Palmitic acid (PA)	84.0	0.821	− 0.071	0.820	0.524	0.823	0.465	0.822	0.703	0.822	0.468	0.825	0.705	0.823	0.466	0.826	0.705
Stearic acid (SA)	77.5	0.720	− 0.061	0.717	0.459	0.719	0.254	0.719	0.564	0.717	0.272	0.738	0.576	0.720	0.273	0.738	0.577
Oil content (OC)	78.6	0.675	− 0.065	0.672	0.427	0.676	0.344	0.676	0.566	0.672	0.360	0.699	0.577	0.677	0.362	0.698	0.579
Protein content (PC)	57.4	0.419	− 0.081	0.411	0.249	0.415	0.146	0.419	0.327	0.418	0.222	0.461	0.367	0.423	0.219	0.461	0.367
Rust@75 days (RUST75)	80.5	0.519	− 0.061	0.513	0.324	0.538	0.477	0.541	0.518	0.459	0.445	0.489	0.464	0.494	0.448	0.491	0.477
Rust@90 days (RUST90)	84.2	0.747	− 0.054	0.744	0.479	0.752	0.624	0.756	0.711	0.730	0.624	0.747	0.700	0.744	0.623	0.748	0.705
Rust@105 days (RUST105)	82.7	0.721	− 0.055	0.718	0.461	0.739	0.638	0.744	0.707	0.725	0.646	0.749	0.707	0.734	0.645	0.751	0.710
Late leaf spot@75 days (LLS75)	74.5	0.537	− 0.064	0.528	0.334	0.561	0.494	0.559	0.538	0.499	0.468	0.507	0.491	0.539	0.468	0.508	0.505
Late leaf spot@90 days (LLS90)	83.9	0.713	− 0.052	0.710	0.457	0.728	0.624	0.733	0.695	0.708	0.627	0.733	0.689	0.726	0.629	0.735	0.697
Late leaf spot@105 days (LLS105)	79.7	0.579	− 0.062	0.572	0.363	0.610	0.558	0.623	0.597	0.575	0.578	0.652	0.601	0.593	0.579	0.654	0.608