Fluridone

Trade name(s) Sonar, Avast! and others

Manufacturer(s) Alligare, SePRO and others

Formulation(s) 4 lb/gal flowable, 2.7%, 3.7%, 5%, 6.3% slow-release pellets

Remarks An aquatic herbicide to control submersed and immersed plants. Not particularly effective in controlling floating aquatic plants.

Water solubility 12 ppm

Storage conditions Store at moderate temperatures, although no adverse effects have been observed after freezing.

Acute toxicity LD50 - greater than 10,000 mg/kg

Action in plant Inhibits carotene formation, resulting in chlorophyll destruction.

Site of action Group 12: bleaching; inhibits carotenoid biosynthesis

Chemical family None generally recognized

Koc Average is 1000 mL/g