Herbicide Treatment | Rate | Visible Injury (%) | |||||
May | June | July | |||||
(g ae/ai ha−1) | 2009/2010 | 2011 | 2009/2010 | 2011 | 2009/2010 | 2011 | |
Untreated check | 0b | 0b | 0b | 0 | 0b | 0 | |
2,4-D Ester | 550 | 1b | 0b | 32a | 2 | 24a | 5 |
MCPA Ester | 850 | 1b | 0b | 0b | 1 | 1b | 0 |
Dichlorprop/2,4-D | 1017 | 1b | 0b | 32a | 2 | 21a | 5 |
Dicamba/MCPA/mecoprop | 600 | 0b | 0b | 1b | 1 | 2b | 0 |
Clopyralid | 200 | 0b | 0b | 0b | 1 | 0b | 0 |
Bromoxynil/MCPA | 560 | 0b | 0b | 0b | 1 | 0b | 0 |
Thifensulfuron/tribenuron+MCPA Estera | 15 + 550 | 0b | 0b | 0b | 1 | 0b | 0 |
Fluroxypyr+MCPA Ester | 108 + 562.5 | 1b | 0b | 0b | 1 | 0b | 0 |
Pyrasulfotole/bromoxynila | 213 | 0b | 0b | 0b | 1 | 0b | 0 |
Saflufenacila | 100 | 19a | 9a | 18a | 2 | 16a | 1 |
SE | 1.6 | 0.5 | 1.8 | 0.5 | 1.3 | 0.6 |