|
| Time of Herbicide Application | |||||
| Treatment | Early | Normal | Late | |||
|
| No. plants/m2 | |||||
| Untreated Control | 137.6 | A | 128.0 | A | 154.0 | A |
| 2,4-D | 58.4 | AB | 55.2 | AE | 111.2 | AB |
| Dicamba/MCPA/Mecoprop | 22.0 | B | 20.4 | E | 30.0 | B |
| Dichlorprop/2,4-D | 48.0 | AB | 47.6 | CE | 97.2 | AB |
| Bromoxynil/MCPA | 155.6 | AB | 137.6 | AB | 120.8 | A |
| Thifensulfuron/Tribenuron + MCPA | 102.4 | AB | 103.2 | AD | 94.4 | AB |
| Fluroxypyr + MCPA | 68.0 | AB | 98.4 | AD | 74.4 | AB |
| Pyrasulfotole/Bromoxynil | 43.6 | AB | 31.6 | BE | 45.6 | AB |
| Prosulfuron + Bromoxynil | 28.0 | AB | 45.6 | DE | 41.2 | AB |
| Tralkoxydim | 132.4 | A | 123.2 | AC | 130.8 | A |
| Fenoxaprop-p-ethyl | 212.0 | A | 135.2 | A | 155.6 | A |