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