Phosphorus-containing fungicides: a review of current research and prospects

Two main types of phosphorus-containing compound are currently under invest igation as potential fungicides: (a) esters of phosphoric, phosphorothioic, phosphorodithoic, or alkyl-phosphonic acids, including examples containing terpenoid or heterocyclic structures, and (b) aminophosphonic or aminophos phinic acids and their derivatives. The latter types are especially attract ive environmentally but none has yet been commercialised.