Trade name(s) Gordan's Pro, Prefar
Manufacturer(s) Gowan Co., PBI/Gordon
Formulation(s) 4 lb/gal emulsifiable concentrate, and 12.5% granules
Remarks A selective compound applied preemergence. It must be applied to soil before weeds emerge.
Water solubility 25 ppm
Storage conditions Store above 42°F depending on emulsifiable formulation. Do not store or use near heat or flame. Warm and agitate until crystals dissolve, or do not use.
Acute toxicity LD50 - 770 mg/kg
Action in plant Inhibits roots of seedlings.
Site of action Group 8: lipid synthesis inhibitor but not an ACCase inhibitor
Chemical family Organophosphorus
Koc Average is 1,433 to 4,326 mL/g