Monterey Liqui-Cop - 1 qt. - is a liquid copper fungicide spray for disease prevention. Use to control leaf curl, shothole, and brown rot on nut crops, citrus, vegetables, and ornamentals. Liqui-Cop is a very economical replacement for Bordeaux mixture. No oil or sticker required. Active ingredient: Copper diammonia diacetate complex [Bis (acetate-O) Diammine copper].