has part has role agrochemical xenobiotic metalaxyl-M racemate metalaxyl CHEBI:6790 A racemate comprising equal amounts of (<i>R</i>)- and (<i>S</i>)-metalaxyl. A systemic fungicide, it is active against phytopathogens of the order <em>Peronosporales</em> and is used to conrtrol <em>Pythium</em> in a number of vegetable crops. environmental contaminant (S)-metalaxyl acylamino acid fungicide anilide fungicide