Table 4.
Mean grain yield, MLN disease severity, and other agronomic traits of the top 30 hybrids, the lowest five experimental hybrids and commercial checks evaluated under artificial MLN inoculation in 2015 and 2016 at Naivasha, Kenya
| Entry number | Hybrids | GY (t/ha) | % increase over the mean of checks | MLN-early (1–5) | MLN-late (1–5) | MOI (%) | EPP (number) | ER (%) |
|---|---|---|---|---|---|---|---|---|
| 1 | 12 × 27 | 6.6 | 1008.3 | 2.3 | 2.5 | 20.3 | 1.3 | 2.0 |
| 2 | 13 × 14 | 6.5 | 990.4 | 2.0 | 2.3 | 16.6 | 1.7 | 1.0 |
| 3 | 13 × 23 | 6.0 | 896.9 | 1.9 | 1.9 | 22.4 | 1.6 | 0.7 |
| 4 | 12 × 13 | 5.4 | 792.4 | 1.6 | 1.8 | 21.1 | 1.5 | 1.0 |
| 5 | 12 × 27 | 5.0 | 733.9 | 2.3 | 2.4 | 18.9 | 1.3 | 0.1 |
| 6 | 18 × 24 | 4.9 | 713.2 | 2.5 | 2.6 | 16.6 | 1.2 | 1.2 |
| 7 | 4 × 13 | 4.8 | 698.5 | 2.1 | 2.1 | 21.9 | 1.1 | 1.0 |
| 8 | 11 × 13 | 4.8 | 696.2 | 1.9 | 2.1 | 23.2 | 1.3 | 6.2 |
| 9 | 13 × 24 | 4.8 | 693.7 | 2.3 | 2.3 | 21.8 | 1.3 | 0.3 |
| 10 | 6 × 23 | 4.7 | 684.4 | 2.3 | 2.4 | 16.3 | 1.1 | 9.4 |
| Mean of the top 10 entries | 5.3 | 790.8 | 2.1 | 2.3 | 19.9 | 1.3 | 2.3 | |
| 11 | 23 × 28 | 4.5 | 643.5 | 2.3 | 2.8 | 18.0 | 1.3 | 2.3 |
| 12 | 13 × 28 | 4.4 | 633.3 | 1.9 | 2.1 | 19.0 | 2.2 | 3.0 |
| 13 | 12 × 17 | 4.4 | 632.5 | 2.5 | 2.7 | 19.4 | 1.1 | 0.2 |
| 14 | 24 × 27 | 4.4 | 626.7 | 2.5 | 2.5 | 18.2 | 1.3 | 0.1 |
| 15 | 27 × 28 | 4.4 | 625.4 | 2.4 | 2.5 | 19.5 | 1.3 | 1.4 |
| 16 | 10 × 27 | 4.3 | 624.9 | 2.3 | 2.5 | 17.2 | 1.3 | 0.1 |
| 17 | 13 × 18 | 4.3 | 619.0 | 1.7 | 1.9 | 16.9 | 1.4 | 37.1 |
| 18 | 15 × 17 | 4.3 | 618.9 | 2.7 | 2.7 | 17.3 | 1.0 | 0.1 |
| 19 | 8 × 13 | 4.3 | 612.2 | 2.1 | 2.2 | 23.0 | 1.2 | 1.7 |
| 20 | 12 × 18 | 4.2 | 608.0 | 2.2 | 2.7 | 18.6 | 1.2 | 1.5 |
| 21 | 11 × 27 | 4.2 | 599.6 | 2.5 | 2.7 | 17.2 | 1.0 | 0.7 |
| 22 | 8 × 14 | 4.2 | 595.5 | 2.2 | 2.2 | 21.4 | 1.1 | 1.3 |
| 23 | 8 × 18 | 4.1 | 587.6 | 2.3 | 2.4 | 21.2 | 1.2 | 0.1 |
| 24 | 10 × 11 | 4.1 | 584.0 | 2.2 | 2.5 | 16.3 | 1.0 | 0.4 |
| 25 | 14 × 19 | 4.1 | 583.0 | 2.3 | 2.6 | 15.4 | 1.3 | 2.3 |
| 26 | 17 × 27 | 4.1 | 578.8 | 2.6 | 2.9 | 20.5 | 1.1 | 2.3 |
| 27 | 8 × 12 | 4.0 | 569.6 | 2.1 | 2.5 | 20.2 | 1.1 | 0.1 |
| 28 | 10 × 12 | 4.0 | 566.4 | 2.0 | 2.4 | 18.1 | 1.2 | 0.5 |
| 29 | 8 × 24 | 4.0 | 563.8 | 2.2 | 2.4 | 22.1 | 1.2 | 0.1 |
| 30 | 15 × 25 | 4.0 | 563.3 | 2.1 | 2.8 | 17.3 | 1.2 | 4.1 |
| 31 | 19 × 25 | 0.0 | −100.0 | 3.1 | 3.7 | 18.8 | 0.6 | 0.8 |
| 32 | 1 × 7 | 0.0 | −100.0 | 3.4 | 4.1 | 18.7 | 0.2 | 3.6 |
| 33 | 22 × 25 | 0.0 | −100.0 | 2.7 | 4.2 | 18.6 | −0.1 | 4.2 |
| 34 | 2 × 9 | 0.0 | −100.0 | 3.6 | 4.2 | 18.6 | NA | 2.2 |
| 35 | 5 × 9 | 0.0 | −100.0 | 4.0 | 4.7 | 18.9 | NA | 2.9 |
| 36 | WE1101 | 0.9 | 54.8 | 2.7 | 2.7 | 19.4 | 0.9 | 2.3 |
| 37 | DK8031 | 0.8 | 32.5 | 3.2 | 3.7 | 18.7 | 0.6 | 38.3 |
| 38 | H516 | 0.5 | −22.2 | 2.9 | 3.2 | 19.6 | 0.5 | 20.9 |
| 39 | Duma43 | 0.2 | −72.4 | 3.4 | 4.0 | 18.5 | 0.1 | 21.0 |
MLN-early MLN score 21 days post inoculation, MLN-late MLN score 42 days post inoculation, GY grain yield, MOI percent of moisture at harvest, EPP ear per plant, ER ears rot