Sprout regrowth in 1979 for silver maple and red oak injected with dikegulac and maleic hydrazide in 1977, and located in Delaware and Lorain, OH, respectively.
| Treatment concn (g/liter) | Regrowth per limba | Flb | ||
|---|---|---|---|---|
| No. of sprouts | Mean sprout length (cm) | Longest sprout (cm) | ||
| Silver maple, Delaware, OH | ||||
| Control | 2.1 | 296.0 | 348.2 | 1.1 |
| Dikegulac — | ||||
| 15.00 | 1.7 | 168.5* | 195.8* | 1.8 |
| 75.00 | 0.9* | 156.9* | 167.3* | 1.9 |
| Maleic hydrazide | ||||
| 67.50 | 2.2 | 205.8 | 241.4 | 1.3 |
| 112.50 | 1.4 | 151.1* | 185.9* | 1.5 |
| LSD 5% | 0.8 | 106.2 | 107.0 | |
| Red oak, Lorain, OH | ||||
| Control | 5.2 | 112.3 | 146.1 | 1.1 |
| Dikegulac — | ||||
| 75.00 | 3.6 | 55.1* | 77.1* | 1.6 |
| 187.50 | 5.8 | 31.2* | 49.4* | 2.7 |
| Maleic hydrazide | ||||
| 112.50 | 4.8 | 92.7 | 135.9 | 1.6 |
| 281.25 | 4.9 | 77.8 | 113.4 | |
| LSD 5% | 2.3 | 36.4 | 45.6 | |