Substituted azoyl-ketones and -alcohols of the formula ##STR1## in which A is a nitrogen atom or the CH group,B is CO or CH(OH),R.sup.1 is alkyl, alkenyl, alkinyl, optionally substituted phenylalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.2 is optionally substituted cycloalkyl or the grouping --C(CH.sub.3).sub.2 R.sup.3, andR.sup.3 is alkyl having more than 2 carbon atoms, alkenyl, alkinyl or the --CH.dbd.O group or a derivative thereof,or addition products thereof with acids or metal salts, exhibit plant growth regulating and fungicidal properties, several intermediates therefor are new.