Size after 15 weeks of wounds wrapped with polyethylene plastic at wounding and removed at various times.
| Removal time | Mean wound sizey, cm2 | ||
|---|---|---|---|
| Aspen | Birch | Maple | |
| 1 week | 53.6 bz | 46.4 a | 43.9 b |
| 2 weeks | 46.8 b | 50.5 a | 38.1 b |
| 3 weeks | 52.7 b | 55.3 a | 36.5 b |
| 4 weeks | 40.7 b | 47.0 a | 38.3 b |
| Not removed | 43.5 b | 43.1 a | 37.5 b |
| Untreated | 69.3 a | 46.8 a | 46.0 a |