Propiconazole can control diseases caused by Ascomycetes, Basidiomycetes and Penicillium, especially to take-all, powdery mildew, rust, root rot of wheat, Bakanae of rice, banana leaf spot disease has good control effect, but it has no effect on oomycete disease. It can be used for banana, wheat, rice, litchi, vegetables, grapes, watermelon, barley, corn and other crops.