AI: 46.2% Thiophanate-methyl. OHP 6672 4.5 F ornamental fungicide controls a broad range of ornamental diseases including, anthracnose, black spot, botrytis, leaf spot, powdery mildew and scab, to name a few. OHP 6672 4.5 F is from the benzimidazole family of fungicides and appropriate resistant management practices should always be followed.