Herbicide treatment | Rate | CHEAL control | CHEAL density | CHEAL dry biomass | |
4 WAE | 8 WAE | ||||
(g ai ha−1) | (%) | (%) | (plants m−2) | (g m−2) | |
Weed-free control |
| 100 | 100 | 0 a | 0 a |
Weedy control |
| 0 d | 0 d | 25.3 e | 88.3 b |
Trifluralin | 600 | 97 ab | 98 ab | 0.7 abc | 9.5 ab |
Ethalfluralin | 810 | 99 a | 99 a | 0.1 ab | 0.1 a |
Pendimethalin | 1080 | 97 ab | 99 a | 1.1 bc | 12.7 ab |
S-metolachlor | 1050 | 81 c | 83 c | 6.2 d | 25.6 b |
Dimethenamid-P | 544 | 88 bc | 88 bc | 3.6 cd | 3.8 ab |
EPTC | 3400 | 98 a | 97 ab | 0.8 abc | 0.2 a |
Halosulfuron | 35 | 97 ab | 97 ab | 1.8 bcd | 15.7 ab |
Trifluralin + halosulfuron | 600 + 35 | 99 a | 100 a | 0.4 abc | 3.0 ab |
Ethalfluralin + halosulfuron | 810 + 35 | 100 a | 100 a | 0.1 ab | 0.0 a |
Pendimethalin + halosulfuron | 1080 + 35 | 100 a | 100 a | 0.2 ab | 0.0 a |
S-metolachlor + halosulfuron | 1050 + 35 | 99 a | 99 a | 0.1 ab | 0.1 a |
Dimethenamid-P + halosulfuron | 544 + 35 | 100 a | 100 a | 0.2 ab | 0.0 a |
EPTC + halosulfuron | 3400 + 35 | 100 a | 100 a | 0.0 a | 0.0 a |