The Case for Regulating Diquat Diquat, a widely used quaternary ammonium herbicide in agriculture, has been touted as a miracle solution since its introduction in the 1950s.
However, beneath its effective facade lies a complex web of issues that warrant closer examination.
Understanding Diquat: A Herbicide's Dark Past Diquat is synthesized from quaternary ammonium salts, which are composed of nitrogen containing molecules with a positively charged ion.