Trade name(s) Callisto
Formulation(s) 4 lb/gal suspension concentrate
Remarks Mesotrione is a synthetic relative of natural herbicides produced by the plant Callistemon citrinus. Controls broadleaf weeds in corn.
Water solubility 15,000 ppm
Storage conditions Can be stored as low as 20°F.
Acute toxicity LD50 - greater than 5,000 mg/kg
Action in plant Inhibits HPPD enzymes essential to photosynthesis.
Site of action Group 27: inhibits 4-hydroxyphenylpyruvatedioxygenase (4-HPPD)
Chemical family Triketone
Koc 14 - 390 mL/g