Described herein are .alpha.-(1-triazolyl)-keto-derivatives of general formula: ##STR1## wherein R is phenyl or heteroaryl, optionally substituted, alkyl; R.sup.1 is alkoxyl, optionally substituted aryloxy, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkoxycarbonyl, cyano, optionally substituted phenyl, or, along with R.sup.2, an alkylidene; R.sup.2 is H or, along with R.sup.1, an alkylidene; R.sup.3 is alkylcarbonyl, alkoxycarbonyl, arylcarbonyl, cyano or alkoxyalkylcarbonyl; such compounds being endowed with a high fungicidal activity.