Mozart TR fungicide from BASF Professional Turf & Ornamentals contains the active ingredient fludioxonil. It is effective against Alternaria, Botrytis, downy mildew, powdery mildew and rust. Labeled for commercial greenhouses, one 6 ounce can of this total release fungicide covers 4,500 square feet. In growing conditions with high disease pressure, growers have application flexibility to increase the number of cans to cover every 1,500 square feet of the affected area.