There has been questions on Harmony Extra/FirstShot w/glyphosate or paraquat in pre-plant burndown application to improve wild radish control and other broadleaves. Notice the peanut rotation restriction difference. Below is a table by Dr. Prostko on the rotation differences.
| Herbicide | Use Rate
(oz/A) |
Active Ingredients | Crop Rotation Restrictions (Days)a | |||||||
| Thifensulfuron
(%) |
Tribenuron
(%) |
Peanut | Cotton | Field
Corn |
Soybean | Grain
Sorghum |
Wheat | Any Other | ||
| FirstShot
50SG |
0.50-0.80 | 25 | 25 | 30b | 14 | 14 | 7c | 14 | 0 | 45 |
| Harmony Extra
50SG |
0.45-0.90d | 33.33 | 16.67 | 45 | 14 | 14 | 7 | 14 | 0 | 45 |
aIf FirstShot or Harmony Extra is used on light textured soils (such as sands, loamy sands, or sandy loams) or on high pH soils (>7.9), extend planting times listed in this chart by 7 additional days.
bAlabama and Georgia only.
cWhen FirstShot is applied at 0.5 oz/A, the application may be made within 3 days after planting but prior to soybean emergence.
dMaximum application rate for preplant cotton burndown is 0.75 oz/A.