Norflurazon

Trade name(s) Evital, Solicam, Zorial, Predict

Manufacturer(s) TKI

Formulation(s) 80% wettable powder, 5% granule, 80% dry flowable

Remarks A selective herbicide applied preemergence to control many grasses, sedges, rushes, pigweed, purslane, and ragweed.

Water solubility 28 ppm

Storage conditions Stable.

Acute toxicity LD50 - 10,000 mg/kg

Action in plant Inhibits carotene formation, resulting in photodegradation of chlorophyll.

Site of action Group 12: bleaching; inhibits carotenoid biosynthesis

Chemical family Pyridazinone

Koc Average is 700 mL/g