Quinclorac

Trade name(s) Armortech, Q-Ball, Quinstar and others

Manufacturer(s) Albaugh, BASF, NuFarm, and others

Formulation(s) 75% dry flowable, 1.5 and 3.8 lb/gal

Remarks Applied postemergence to actively growing weeds. Controls field bindweed and other selected weeds.

Water solubility 62 ppm

Storage conditions Store under dry conditions.

Acute toxicity LD50 - 2,610 mg/kg

Action in plant Not fully understood. In broadleaves, similar to indole acetic acid. In grasses, inhibits cell wall synthesis.

Site of action Group 4: synthetic auxin

Chemical family Quinoline carboxylic acid