Medallion, Syngenta's fludioxonil-based fungicide, has received EPA approval for use on landscape ornamentals. Medallion controls many diseases, including botrytis blight, aerial blight, Alternaria leaf blight, Cercospora leaf spot, Myrothecium leaf spot and blight, Septoria leaf spot, Rhizoctonia stem and root rot, Southern blight and black root rot.