Diquat is a broad-spectrum, quick-acting, non-selective contact herbicide.Be absorbed by green plant tissue quickly, it will be easy to loss efficiency after contacting the soil.It is used for vegetables,orchard, sugarcane, peanuts, potatoes, and tree plantation areas; postemergence around fruit crops, trees, vines, grains. And as a ripener and defoliant for soybean, cotton before harvesting.
Diquat is used as pre-harvest desiccation of cotton, flax, alfalfa, clover, lupins, oilseed rape, poppies, soya beans, peas, beans, sunflowers, cereals, maize, rice, sugar beet, and other seed crops; destruction of potato haulms; and stripping of hops. Control of annual broad-leaved weeds in vines, pome fruit, stone fruit, bush fruit, strawberries (also control of runners), citrus fruit, olives, hops, vegetables, ornamental plants and shrubs, and other crops. Control of emergent and submerged aquatic weeds. Weed control on non-crop land. Weed control and tassel inhibition in sugar cane. Application rates 400-1000 g/ha.
