Chemical Abstracts name N-(phosphonomethyl)glycine trimethylsulfonium salt Biochemistry Inhibits 5-enolpyruvylshikimate-3-phosphate synthase, an enzyme of the aromatic acid biosynthetic pathway. This prevents synthesis of essential aromatic amino acids needed for protein biosynthesis. Mode of action Non-selective systemic herbicide, absorbed by the foliage, with rapid translocation throughout the plant. Inactivated on contact with soil. Uses Control of annual and perennial grasses and broad-leaved weeds, pre-harvest, in cereals, peas, beans, oilseed rape, flax and mustard, at c. 1.5-2 kg/ha; control of annual and perennial grasses and broad-leaved weeds in stubble and post-planting/pre-emergence of many crops; as a directed spray in vines and olives, at up to 4.3 kg/ha; in orchards, pasture, forestry and industrial weed control, at up to 4.3 kg/ha. As an aquatic herbicide, at c. 2 kg/ha. Compatibility Mixing with other herbicides may reduce the activity of glyphosate. Formulation 48%SL 62%SL 75.7%WSG. Standard of 95%TC .