| Weed Problem | Chemical rate per acre | Product per acre | Treatment Time | Remarks |
|---|---|---|---|---|
| Many winter annual broadleaf weeds, same as under Small grains-fall-seeded wheat | Dicamba 0.125 lb | Banvel 0.25 pt
or Clarity 0.13-0.25 pt |
Postemergence | Apply after grain is fully tillered but before jointing for fall-seeded oats. Applications to spring-seeded oats must be made before the oats exceed the 5-leaf stage. Observe precautions on label. |
| Many annual broadleaf weeds including chamomile/mayweed, common chickweed (suppression), curly dock, knawel, mustard spp., wild garlic, and several other species | Thifensulfuron 0.014 - 0.019 lb | Harmony SG 0.45 - 0.6 oz | See comments under small grains and fall-seeded wheat and barley section. Consider using tank-mixes with 2,4-D, Buctril, Banvel, or Clarityfor improved control. Do not make more than one application of Harmony SG per crop season on oat. |
