fenoxaprop (Acclaim or Horizon)
Rate 0.15 to 0.25 lb ai/A
Time Apply to actively growing plants with at least two leaves. Larger plants are harder to control.
Remarks Refer to product label for crops and sites on which fenoxaprop may be used.
Caution Do not use a crop oil or surfactant.
Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor
Chemical family Aryloxyphenoxy propionate
fluazifop (Fusilade DX)
Rate 0.09 lb ai/A (0.375 pints/A)
Time Apply to actively growing weeds 2 to 8 inches tall but before tillering or heading.
Remarks See label for crops, ad sites, and specific rates. Apply with 1% (v/v) crop oil concentrate or 0.25% (v/v) nonionic surfactant. Acts very slowly, taking at least 2 weeks and often 4 weeks to show effectiveness. Do not apply to stressed grasses.
Caution Do not use crop oil concentrate if treating in ornamentals. Do not apply if rain is expected within 1 hour.
Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor
Chemical family Aryloxyphenoxy propionate
nicosulfuron (Accent)
Rate 0.5 to 1 oz ai/A (0.66 to 1.33 oz/A Accent)
Time Apply when wild proso millet is 1 to 4 inches tall.
Remarks Accent is registered for use in field corn and popcorn. Consult seed company representative before applying to field corn grown for seed or to any popcorn varieties.
Caution Take special precautions when using for wild proso millet control in sweet corn. Read label about applications where organophosphate insecticides have been used. Consult labels for rotation crop guidelines.
Site of action Group 2: acetolactate synthase (ALS) inhibitor
Chemical family Sulfonylurea
sethoxydim (Poast)
Rate 0.19 lb ai/A (1pint/A)
Time Apply to actively growing wild proso millet.
Remarks See label for crops, size of grass, and sites sethoxydim may be used on and for specific rates. Apply with 2 pints/A crop oil concentrate. Acts very slowly, taking at least 2 weeks and often 4 weeks to show herbicide effectiveness. Do not apply to stressed grasses.
Caution Do not apply if rain is expected within 1 hour.
Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor
Chemical family Cyclohexanedione
topramezone (Impact)
Rate 0.0165 lb ai/A (0.75 oz/A)
Time Apply postemergence to actively growing wild proso millet that is 3 to 8 inches tall.
Remarks Controls wild proso millet and many annual broadleaf weeds but does not provide residual control. Add methylated seed oil or crop oil concentrate at 1 to 1.5% v/v and UAN fertilizer or ammonium phosphate at 1.2 to 1.5% v/v to the spray solution. Spray-grade ammonium sulfate at 8.5 to 17 lb/100 gal of water may be substituted for the nitrogen fertilizers.
Caution Apply only once per growing season. Read label carefully to determine crops that can be planted the next year.
Site of action Group 28: inhibits 4-hydroxyphenylpyruvatedioxygenase (4-HPPD)
Chemical family Triketone