F-Stop Lawn and Garden Fungicide is a concentrate of 1% Myclobutanil to protect listed roses, flowers, ornamental shrubs, berries, fruits, nuts, vegetables and lawn from damaging diseases. These diseases include Black Spot Leaf Spot, Brown Rot, Powdery Mildew, Blights, Rust, Brown Patch Scab, Brown Rot, Dollar Spot, Red Thread, Summer Patch, Melting Out and others.