| Herbicide Treatment | Rate | Visible Injury (%) | ||
| 7 DAA | 28 DAA | |||
| (g ae/ai ha−1) | 2008/2009 | 2010 | 2009/RC-2010 | |
| Non-treated check | 0c | 0b | 0b | |
| 2,4-D Ester | 550 | 1b | 0b | 0b |
| MCPA Ester | 850 | 0c | 0b | 0b |
| Dichlorprop/2,4-D | 1017 | 1b | 0b | 0b |
| Dicamba/MCPA/mecoprop | 600 | 3b | 0b | 0b |
| Clopyralid | 200 | 0c | 0b | 0b |
| Bromoxynil/MCPA | 560 | 0c | 0b | 0b |
| Thifensulfuron/tribenuron + MCPA Estera | 15 + 550 | 0c | 0b | 0b |
| Fluroxypyr + MCPA Ester | 108 + 562.5 | 0c | 1b | 0b |
| Pyrasulfotole/bromoxynila | 213 | 1b | 0b | 0b |
| Saflufenacila | 100 | 31a | 16a | 11a |
| SE | 1.2 | 0.5 | 0.4 | |