Weed Management Handbook

Trade name(s) Armezon, Frequency, Impact, Pylex,

Manufacturer(s) Amvac Chemical Corp., BASF

Formulation(s) 2.8 lb/gal suspension concentrate

Trade name(s) Harmony, Harmony GT, Treaty, Volta

Manufacturer(s) Corteva, FMC, NuFarm, Rotam

Formulation(s) 75% dry flowable

Remarks A selective, postemergence herbicide with short soil persistence used at low rates to control certain broadleaf weeds in wheat and barley. Harmony Extra is thifensulfuron + tribenuron.

Tradename(s) Luxxur B, Varro, and in package mixture with tembotrione and sold as Capreno

Manufacturer(s) Bayer CropScience

Formulation(s) 0.083 lb/gal flowable liquid

Remarks Herbicide applied postemergence to control broadleaf and grass weeds in corn. Thiencarbazone is package-mixed with tembotrione.

Trade name(s) Sinbar

Manufacturer(s) Tessenderlo Kerley Inc. (NovaSource)

Formulation(s) 80% wettable powder

Remarks A substituted uracil compound; a preemergence and postemergence selective and nonselective herbicide. Controls a wide range of weeds.

Trade name(s) Laudis

Manufacturer(s) Bayer CropScience

Formulation(s) 3.5 lb/gal flowable liquid

Remarks A selective postemergence herbicide for control of broadleaf and grass weeds in corn.

Water solubility 0.22 ppm, pH 4, 28.3 ppm, pH 7, 29.7, pH 9

Trade name(s) Spike, SpraKil S-5, Tebuthiuron

Manufacturer(s) Alligare, Corteva, SSI Maxim,

Formulation(s) 80% dry flowable, 20% pellets, 5% granules

Trade name(s) Outrider, Certainty, Cryder

Manufacturer(s) Valent, Atticus

Formulation(s) 75% water-soluble granule

Remarks Preemergence or postemergence control of several grasses and some broadleaves in wheat and noncrop areas.

Trade name(s) Oust XP, SFM 75, Spyder

Manufacturer(s) Alligare, Nufarm, Bayer

Formulation(s) 75% dispersible granules

Remarks Broad-spectrum herbicide with preemergence and postemergence activity for noncropland and forestry use. Westar is sulfometuron + hexazinone.

Trade name(s) Antares, Boycott, Portfolio, Spartan, Zeus and others

Manufacturer(s) FMC, Helena, UPL Wilber-Ellis and others

Formulation(s) 75% dispersible granule, 4 and 4.16 lb/gal flowable liquid

Trade name(s) Erocide, Purate

Formulation(s) 40% soluble powder; 4%, 19%, and 28% liquid; 12% and 33% dust; 99% active material in powder form; also formulated with borates, sodium carbonate, calcium/magnesium chloride, 2,4-D, and others.

Remarks Inorganic salt. Kills germinating seeds nonselectively; inhibits plant growth. Easily leached from soil.