Pesticide Information Profiles A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan State University. The active ingredient sulfur is found in a variety of commercial fungicides. Check with specific state restrictions which may apply.
Sulfur is a non-systemic contact and protectant fungicide with secondary acaricidal activity.
It is used for control of brown rot of peaches, powdery mildew of apples, gooseberries, hops, ornamentals, grapes, peaches, strawberries, sugar beets, apple scab, gall mite on blackcurrant, peanut leafspot, mildew on roses, mites on beans, carrots, lucerne, melons, and tomatoes, etc. The sulfates and sulfides are common in their various mineral forms. Compatibility with other products is considered good. Numerous mixed products with insecticides and fungicides are manufactured. Currently, sulfur is registered in the U.S. by EPA for use as an insecticide, fungicide, and rodenticide on several hundred food and feed crop, ornamental, turf and residential sites.