Average injection time.
| Species | Minutes |
|---|---|
| Catalpa | 18.16 |
| Black walnut | 9.54 |
| Hackberry | 4.91 |
| Mulberry | 17.17 |
| Black locust | 27.43 |
| Sugar maple | 4.47 |
| American elm | 9.92 |
| Red maple | 12.02 |
| Silver maple | 4.47 |
| White ash | 28.23 |
| Box-elder | 5.75 |
| Sycamore | 4.49 |
| Kentucky coffee tree | 20.56 |
| Black cherry | 4.21 |
| Norway maple | 7.32 |