... (pH 9). Aqueous photolytic DT50 (sterile buffers, pH 5, 7 and 9) 1.7-9.6 d (without photosensitiser), 0.5 ... .2 d (with photosensitiser). Uses:Post-emergence control of annual and perennial grasses, at 60-240 g/ha, in a wide ... , alfalfa, peanuts, oilseed rape, sugar beet, tobacco, and potatoes), vegetable crops, trees and vines. To be used with a non-phytotoxic crop oil concentrate ...