propesticide proherbicide pro-herbicides chebi_ontology PMID:12232216 proherbicides AGR:IND43789627 A compound that, on administration, must undergo chemical conversion by biochemical (enzymatic), chemical (possibly following an enzymatic step), or physical (e.g. photochemical) activation processes before becoming the pharmacologically active herbicide for which it is a proherbicide. PMID:26449612 CHEBI:136646 PMID:27280658 pro-herbicide herbicide