Volunteer corn | Hybrid corn yield | ||||
Treatmenta | Rate | Density | Cobs | Yield | |
g·ai·ha−1 | # m−2 | # m−2 | MT·ha−1 | MT·ha−1 | |
Weedy control | 2.3 cd | 1.1 a | 0.74 bc | 14.2 b | |
Weed free control | 0 a | 0 a | 0 a | 15.8 a | |
Glyphosate | 1800 | 1.7 b | 0.8 a | 0.58 ab | 15.1 ab |
Glufosinate | 500 | 2.2 c | 1.0 a | 0.66 abc | 14.7 b |
Glyphosate + glufosinate | 1800 + 500 | 1.6 b | 0.7 a | 0.48 a | 14.7 b |
Rimsulfuronb | 15 | 2.6 d | 1.0 a | 0.67 bc | 14.6 b |
Nicosulfuronc | 25 | 2.4 cd | 1.0 a | 0.73 bc | 14.6 b |
Nicosulfuron/rimsulfuronc | 25 | 2.4 cd | 1.1 a | 0.75 bc | 14.4 b |
Foramsulfuronc | 70 | 2.3 cd | 0.9 a | 0.62 abc | 14.4 b |
Primisulfuron/dicambac | 166 | 2.4 cd | 1.1 a | 0.81 c | 14.3 b |
SE | 0.1 | 0.1 | 0.04 | 0.1 |