Glufosinate

Trade name(s) Finale, Rely, Liberty, Lifeline and others

Manufacturer(s) BASF, Bayer CropScience, UPL and others

Formulation(s) 1 lb and 2.34 lb/gal aqueous solutions

Remarks A nonselective, postemergent, contact herbicide with some systemic activity. Acts faster than glyphosate but more slowly than paraquat. More active on broadleaf weeds than on grasses.

Water solubility 1,370,000 ppm

Storage conditions Stable under normal storage conditions. Do not store near heat or open flame.

Acute toxicity LD50 - 1,620 mg/kg

Action in plant Causes ammonium ions to accumulate, disrupting photosynthesis.

Site of action Group 10: glutamine synthase inhibitor

Chemical family Phosphinic acid

Koc Average is 100 mL/g (estimated)