... 19-1Use: To control diseases caused by air-and soil-borne Peronosporales on a wide range of temperate, subtropical ... by Pseudoperonospora humuli on hops, on potatoes and tomatoes, Peronospora tabacina on tobacco, Plasmopara viticola on vines, Bremia lactucae on lettuce, and downy mildews on ... -1500 g/ha. Seed treatments control systemic Peronosporaceae on maize, peas, sorghum and sunflowers, as well as ...