Features and Benefits Prevents diseases entering into the plant Controls leaf curl in peaches and nectarines Also controls common diseases on vegetables and black spot on roses Only 1 day withholding period Prevents fungal diseases such as Leaf curl of peaches and nectarines and leaf spot and rust on ornamentals and vegetables. Directions For Use Mix 10 or 20g in 1 litre of water. Stir mixture before application. Apply when disease first appears and repeat every 10 days or so as required. However, for fruit trees it is essential to spray at special times as stated in directions.