The traditional, proven treatment against powdery mildew on many fruit and vegetable and flowering plants, including gooseberry, chrysanthemum, cineraria, cucumber, delphinium, ornamental hop, hyacinth, marrow, pea, rose and strawberry. It is suitable for both outdoor and greenhouse use.For the best results, the powder should be applied at the first signs of disease to both sides of the foliage in affected plants. A minimum of seven days should be allowed between treatments.Yellow Sulphur will also protect bulbs, corms and tubers against storage rot, including Penicillium rot in gladioli and Schlerotina rot in dahlia. The powder should be applied before storing away.