The invention provides a fungicidal composition comprising at least one systemic, contact and/or soil fungicide and at least one acrylic acid morpholide derivative of the general formula ##STR1## in which R.sub.1 represents a hydrogen, chlorine or bromine atom, a trifluoromethyl, trifluoromethoxy, C.sub.3 -C.sub.7 alkyl, C.sub.3 -C.sub.5 alkoxy, C.sub.3 -C.sub.6 alkenyl, HClFC--CF.sub.2 O--, HClC.dbd.CClO--, cyclohexyl, cyclopentenyl, cyclohexenyl, phenyl, 4-chlorophenyl, 4-ethylphenyl, 4-chlorobenzyl or 4-chlorophenylthio group or a phenoxy group optionally substituted by one or more substituents selected from fluorine and chlorine atoms and methyl and ethoxycarbonyl groups and R.sub.2 represents a hydrogen atom, or R.sub.1 represents a hydrogen atom and R.sub.2 represents a 3-phenoxy group.