Imazapic

Trade name(s) Plateau, Impose, Open Range

Manufacturer(s) BASF, ADAMA, Wilber Ellis

Formulation(s) 0.885% and 70% dispersible granule, 2 lb/gal soluble concentrate

Remarks Manufacturer has elected to sell Plateau only to government agencies and not to farmers or ranchers. A selective postemergence herbicide effective for controlling broadleaf weeds and some grasses.

Water solubility 2,200 ppm

Storage conditions Store liquid formulation above 20°F.

Acute toxicity LD50 - greater than 5,000 mg/kg

Action in plant Inhibits the plant enzyme acetolactate synthase.

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

Chemical family Imidazolinone