Weed Control Guide for Ohio Field Crops
Soybeans: Soil-Applied Herbicides - Preplant or Preemergence
| Herbicide |
Formulation |
Product Rate Range |
| Authority |
75DF |
3 - 5.3 oz |
Tank-mix with: Treflan, Prowl, Dual Magnum, Outlook, Lasso, Command, Sencor, Canopy XL.
- Authority (sulfentrazone) controls black nightshade, pigweeds, lambsquarters, kochia, and waterhemp, and provides
early-season control or suppression of annual grasses, annual morningglory, and a few other broadleaf weeds.
- Mode of action: cell membrane disruptor.
- May be applied up to 30 days before planting.
- Authority may cause stunting of soybeans if excessive rainfall occurs between application and soybean emergence.
Soybeans generally outgrow this injury, but some soybean varieties are more sensitive to this product and can be severely injured.
Check with seed supplier for varietal tolerance information prior to use.
- Crop rotation restrictions: wheat - 4 months after application; field corn, popcorn, seed corn - 10 months; clover,
cucumber, pumpkin, sweet corn - 18 months; other crops - 30 months.
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