| Weed Control | |||||||||
| Treatment | Rate | 4 WAE | 8 WAE | Density | Dry Weight | ||||
| g a.i. ha−1 | % | plant # | grams | ||||||
| Weedy Control | 0 | e | 0 | e | 29.3 | c | 87.2 | b | |
| Weed Free | 100 | a | 100 | a | 0.0 | a | 0.0 | a | |
| S-metolachlor | 1050 | 97 | ab | 96 | ab | 0.8 | a | 0.4 | a |
| Imazethapyr | 45 | 93 | bc | 86 | bc | 6.8 | bc | 2.9 | a |
| Linuron | 1125 | 73 | d | 55 | d | 11.1 | bc | 26.6 | b |
| Linuron | 2250 | 85 | cd | 73 | c | 2.0 | ab | 3.2 | a |
| S-metolachlor + Imazethapyr | 1050 + 45 | 100 | a | 99 | a | 0.5 | a | 0.2 | a |
| S-metolachlor + Linuron | 1050 + 1125 | 99 | a | 99 | a | 0.5 | a | 0.7 | a |
| S-metolachlor + Linuron | 1050 + 2250 | 99 | a | 98 | a | 0.3 | a | 0.8 | a |
| S-metolachlor + Imazethapyr + Linuron | 1050 + 45 + 1125 | 100 | a | 100 | a | 0.1 | a | 0.0 | a |
| S-metolachlor + Imazethapyr + Linuron | 1050 + 45 + 2250 | 100 | a | 100 | a | 0.0 | a | 0.0 | a |