1-Alkyl-1-(1,3,4-thiadiazol-2-yl)-3-phenyl-ureas of the formula ##STR1## in which R.sup.1 is alkyl, R.sup.2 is phenyl or substituted phenyl, and X is hydrogen or halogen, which possess fungicidal properties.
式子为##STR1##的1-烷基-1-(1,3,4-
噻二唑-2-基)-3-苯基
脲,其中R.sup.1为烷基,R.sup.2为苯基或取代苯基,X为氢或卤素,具有杀真菌作用。