Sethoxydim

Trade name(s) Poast, Poast Plus, Prestige, Vantage

Manufacturer(s) BASF, Nufarm

Formulation(s) 1, 1.3, and 1.5 lb/gal emulsifiable concentrate.

Remarks A selective, postemergence herbicide to control most annual and perennial grasses. A crop oil concentrate enhances activity.

Water solubility 4,700 ppm at pH 7

Storage conditions Store between -4°F and 86°F in sealed containers.

Acute toxicity LD50 - 4,900 mg/kg

Action in plant Inhibits growing points of grasses.

Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor

Chemical family Cyclohexanedione

Koc Average is 100 mL/g (estimates) at pH 7