Saffron contains elemental sulphur in suspension concentrate form and contains 40% sulphur and very effective against powdery mildew, sporulation fungi and mites. It also acts as fourth major nutrient. Spores of powdery mildew are made up of carbohydrate surrounded by layer of oil globule. Saffron when comes into contact with oil globules, breaks oil globules easily and reacts with carbohydrate. Hence spores of powdery mildew are killed easily. After killing the spores, saffron gets converted into sulphide form on the surface of leaves and reacts with oxygen and gets converted into sulphate form (SO4) which can easily be absorbed by the plant. Hence by applying saffron, we can control fungi, mites and get fourth major nutrient useful for the crops.