Thiencarbazone

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.

Water solubility 172 ppm at pH4; 436 ppm at pH 7; 417 ppm at pH 9

Acute toxicity >2,000 mg/lb (technical)

Action in plant Inhibits the plant enzyme acetolactate synthase.

Site of action Group 2: acetolactate synthase (ALS) inhibitor

Chemical family Sulfonylaminocarbonyltriazolinone