Trade name(s) Muster

Manufacturer(s) Corteva

Formulation(s) 75% water soluble granule

Remarks Effective in controlling selected broadleaf weeds.

Water solubility 1.7 ppm at pH 5, 50 ppm at pH 7, 410 ppm at pH 9

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 Sulfonylurea