| Flaming treatment | Weevil damage | Weevil larvae | Forage yield | Dry matter | ||
| Timing1 | Intensity2 | 4/3 | 4/17 | |||
| 0 to 5 | No./10 stems | Mg/ha | % | |||
| Fall | Low | 3.3 | 3.7 | 30 | 3.99 | 20.9 |
| Medium | 2.4 | 3.3 | 24 | 3.85 | 19.6 | |
| High | 1.3 | 1.3 | 12 | 3.87 | 19.4 | |
| Spring | Low | 3.1 | 3.7 | 32 | 3.52 | 19.3 |
| Medium | 2.0 | 2.3 | 11 | 3.83 | 19.0 | |
| High | 0.8 | 1.7 | 8 | 3.77 | 18.0 | |
| Pesticides4 | 4.8 | 4.3 | 2 | 3.28 | 19.2 | |
| No treatment | 3.8 | 4.0 | 29 | 3.26 | 21.4 | |
| LSD(0.05) | 1.1 | 0.9 | 13 | NS | 1.7 | |
| Means, flaming treatment | ||||||
| Fall | 2.3 | 2.84 | 22 | 3.89 | 19.9 | |
| Spring | 2.0 | 2.6 | 17 | 3.70 | 18.8 | |
| LSD(0.05) | NS | NS | NS | NS | 1.1 | |
| Low | 3.2 | 3.74 | 31 | 3.83 | 20.1 | |
| Medium | 2.2 | 2.8 | 17 | 3.81 | 19.3 | |
| High | 1.0 | 1.5 | 10 | 3.75 | 18.7 | |
| LSD(0.05) | 0.7 | 0.7 | 12 | NS | NS | |