Trade name(s) Milestone

Manufacturer(s) Corteva

Formulation(s) 2 lb (ae) soluble concentrate

Remarks A selective, foliage-applied herbicide used to control broadleaf weeds with some residual activity in the soil. Opensight is aminopyralid + metsulfuron; Capstone is aminopyralid + triclopyr amine.

Water solubility 2,480 ppm

Storage conditions Store above freezing; but if exposed to freezing, warm to at least 40°F and agitate well.

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

Action in plant Mimics natural plant hormones.

Site of action Group 4: synthetic auxin

Chemical family Pyridine

Koc Average is 10.8 mL/g