Disclosed is a fungicidal mixture comprising (a) at least one compound selected from the compounds of Formula 1 N-oxides, and salts thereof, ##STR00001## wherein G, D, R.sup.1 and R.sup.5 are defined in this specification, and(b) the compound of Formula 2 ##STR00002## and optionally(c) one or more compounds described in the disclosure. Also disclosed is a fungicidal composition comprising a fungicidally effective amount of the aforesaid mixture and at least one additional component selected from the group consisting of surfactants, solid diluents or liquid diluents. Further disclosed is a method for controlling plant diseases caused by fungal plant pathogens comprising applying to the plant or portion thereof, or to the plant seed, a fungicidally effective amount of the aforesaid mixture (e.g., as a composition described herein).