Comparison by species of the average sprout growth and standard errors In Inches of trees trunk-Injected with Atrinal In 1984 versus untreated trees.
| Previous Growth | 1984 | 1985 | 1986 |
|---|---|---|---|
| Plane tree | * | ** | |
| Treated 7.1 ±1.2 | 10.8 ±1.8 | 22.5 ±3.5 | .... |
| Control 7.7 ±2.0 | 20.9 ±4.8 | 33.2 ±6.0 | .... |
| Red maple | ** | ||
| Treated 5.4 ±0.5 | 5.4 ±0.6 | 17.2 ±1.2 | .... |
| Control 4.9 ±0.6 | 7.1 ±1.1 | 18.8 ±1.5 | .... |
| Norway maple | * | * | * |
| Treated 6.0 ±0.2 | 3.6 ±0.3 | 19.3 ±1.2 | 23.6 ±2.2 |
| Control 5.8 ±0.3 | 5.4 ±0.8 | 23.4 ±2.7 | 29.9 ±4.0 |