New 1-hydroxyethyl-azole derivatives of the general formula ##STR1## in which R represents an alkyl radical, an optionally substituted cycloalkyl radical or an optionally substituted phenyl radical,X represents a nitrogen atom or a CH group,Y represents a grouping --OCH.sub.2 --, --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--,Z represents a halogen atom, an alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio radical, an optionally substituted phenyl radical, an optionally substituted phenoxy radical, an optionally substituted phenylalkyl radical or an optionally substituted phenylalkoxy radical andm is 0, 1, 2 or 3,a process for their preparation and their use as plant growth regulators and fungicides.