Table 2.
Mean, range, genetic variance (σ2G), and heritability (h2B) estimates for spike compactness and plant height in the RIL population derived from crossing FHB-resistant 02-5B-318 line and FHB-susceptible cv. Saragolla, evaluated in three environments (Bologna 2012, Bologna 2013, Bari 2013).
| Trait | Environments | ||
|---|---|---|---|
| BO12 | BO13 | BA13 | |
| Spike compactnessa | |||
| 02-5B-318 | 1.0 | 1.0 | 1.0 |
| Saragolla | 9.0 | 9.0 | 9.0 |
| Mean RIL | 5.0 | 4.5 | 5.5 |
| Range | (1.0–9.0) | (1.0–9.0) | (2.0–9.0) |
| CV | 5.8 | ||
| σ2G | 3.762 | ||
| h2B | 0.70 | ||
| Plant height (cm) | |||
| 02-5B-318 | 110 | 100 | 98 |
| Saragolla | 82 | 84 | 80 |
| Mean RIL | 83 | 81 | 80 |
| Range | (50–142) | (52–142) | (48–140) |
| CV | 8.3 | ||
| σ2G | 402.875 | ||
| h2B | 0.90 | ||
aSpike compactness was scored from 0 (loose) to 9 (very compact).