Fluroxypyr

Trade name(s) Obtain, Vista XRT, Starane, Starane Ultra and others

Manufacturer(s) Corteva, Loveland and others

Formulation(s) 1.5 and 2.8 lb/gal emulsifiable concentrate, 40% WDG

Remarks A growth-regulating, foliage-applied herbicide to control broadleaf plants. Effects are similar to those of 2,4-D.

Water solubility 0.11 ppm

Storage conditions Store above 10°F.

Acute toxicity LD50 - greater than 2,000 mg/kg

Action in plant Mimics natural plant hormones.

Site of action Group 4: synthetic auxin

Chemical family Pyridine

Koc Acid 39 mL/g to 71 mL/g over 4 soils; Ester 20,000 mL/g