Average height (feet) of the five tallest trees in maple progenies at 17 to 18 years of age (R = red maple; S = silver maple).
| Female parent | Male parent | |||
|---|---|---|---|---|
| R28 | R60 | R61 | R62 | |
| R64 | 16.9 | 21.4 | 25.9 | 20.5 |
| R70 | 17.5 | 19.5 | 25.4 | 19.9 |
| S58 | 10.7 | 14.9 | — | 24.2 |
| S202 | 18.1 | 24.2 | 29.8 | 125.6 |