Bracing treatments applied to codominant stems of two tree species. Rods were located above the crotch a distance equal to the diameter of the stem or below the crotch in the conventional location. There were 11 red maple and 10 red oak control crotches had no rod installed.
| Species | Rod placement | Brass | Steel |
|---|---|---|---|
| Red maple | above | 2 | 6 |
| at crotch | 3 | 7 | |
| Red oak | above | 7 | 8 |
| at crotch | 6 | 3 |