title: The mode of action of the bipyridylium herbicides, paraquat and diquat.
mesh_terms: D004178:Diquat / Q000494:pharmacology; D006540:Herbicides / Q000494:pharmacology*; D010269:Paraquat / Q000494:pharmacology; D010788:Photosynthesis / Q000187:drug effects; D059828:Plant Cells; D010944:Plants / Q000187:drug effects / Q000378:metabolism; D011726:Pyridinium Compounds / Q000494:pharmacology*; D012987:Soil / Q000187:drug effects
chemical_list: D006540:Herbicides; D011726:Pyridinium Compounds; D012987:Soil; D004178:Diquat; D010269:Paraquat