Table 5.
Comparative prediction accuracy for different traits by four models under three cross-validation schemes in groundnut
| Traits | Cross-validation schemes | GS models | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CV0 | CV1 | CV2 | Mean | E + L | E + L + G | E + L + G + GE | E + L + G + GE + LE | Mean | |
| Days to 50% flowering (FLOW50) | 0.666 | 0.502 | 0.668 | 0.612 | 0.658 | 0.616 | 0.611 | 0.613 | 0.614 |
| Days to maturity (DM) | 0.724 | 0.481 | 0.750 | 0.652 | 0.731 | 0.635 | 0.663 | 0.660 | 0.653 |
| Primary branches/plant (NPB) | 0.686 | 0.536 | 0.688 | 0.637 | 0.677 | 0.637 | 0.641 | 0.640 | 0.639 |
| Pods/plant (NPP) | 0.469 | 0.465 | 0.486 | 0.473 | 0.438 | 0.475 | 0.484 | 0.487 | 0.482 |
| Plant height (PH) | 0.646 | 0.371 | 0.652 | 0.556 | 0.643 | 0.556 | 0.558 | 0.560 | 0.558 |
| Pod yield/plant (PYPP) | 0.357 | 0.407 | 0.405 | 0.390 | 0.328 | 0.383 | 0.405 | 0.416 | 0.402 |
| Shelling % (SHP) | 0.483 | 0.332 | 0.492 | 0.436 | 0.471 | 0.435 | 0.441 | 0.441 | 0.439 |
| Hundred seed weight (HSW) | 0.675 | 0.456 | 0.698 | 0.610 | 0.672 | 0.595 | 0.622 | 0.623 | 0.613 |
| Seed yield/plant (SYPP) | 0.370 | 0.406 | 0.416 | 0.397 | 0.342 | 0.389 | 0.413 | 0.423 | 0.408 |
| Total yield/plant (TYPLT) | 0.520 | 0.517 | 0.562 | 0.533 | 0.503 | 0.521 | 0.547 | 0.556 | 0.542 |
| Yield/ha (YPH) | 0.520 | 0.517 | 0.562 | 0.533 | 0.503 | 0.521 | 0.547 | 0.556 | 0.542 |
| Oleic acid (OA) | 0.790 | 0.495 | 0.790 | 0.692 | 0.787 | 0.692 | 0.693 | 0.693 | 0.692 |
| Linoleic acid (LA) | 0.767 | 0.468 | 0.767 | 0.667 | 0.763 | 0.666 | 0.668 | 0.669 | 0.668 |
| Oleic/linoleic acid ratio (OLR) | 0.762 | 0.471 | 0.762 | 0.665 | 0.758 | 0.665 | 0.666 | 0.666 | 0.666 |
| Palmitic acid (PA) | 0.822 | 0.466 | 0.823 | 0.704 | 0.821 | 0.703 | 0.705 | 0.705 | 0.704 |
| Stearic acid (SA) | 0.719 | 0.266 | 0.728 | 0.571 | 0.718 | 0.564 | 0.576 | 0.577 | 0.572 |
| Oil content (OC) | 0.675 | 0.356 | 0.686 | 0.572 | 0.673 | 0.566 | 0.577 | 0.579 | 0.574 |
| Protein content (PC) | 0.419 | 0.196 | 0.438 | 0.351 | 0.415 | 0.327 | 0.367 | 0.367 | 0.354 |
| Rust@75 days (RUST75) | 0.502 | 0.457 | 0.508 | 0.489 | 0.516 | 0.518 | 0.464 | 0.477 | 0.487 |
| Rust@90 days (RUST90) | 0.743 | 0.624 | 0.749 | 0.705 | 0.745 | 0.711 | 0.700 | 0.705 | 0.705 |
| Rust@105 days (RUST105) | 0.730 | 0.643 | 0.740 | 0.704 | 0.719 | 0.707 | 0.707 | 0.710 | 0.708 |
| Late leaf spot@75 days (LLS75) | 0.534 | 0.477 | 0.525 | 0.512 | 0.532 | 0.538 | 0.491 | 0.505 | 0.511 |
| Late leaf spot@90 days (LLS90) | 0.719 | 0.627 | 0.728 | 0.691 | 0.712 | 0.695 | 0.689 | 0.697 | 0.694 |
| Late leaf spot@105 days (LLS105) | 0.589 | 0.571 | 0.625 | 0.595 | 0.576 | 0.597 | 0.601 | 0.608 | 0.602 |
| Average | 0.620 | 0.463 | 0.635 | 0.573 | 0.613 | 0.571 | 0.577 | 0.581 | 0.576 |