Compositions for controlling plant diseases caused by fungal plant pathogens are described, comprising: (a) at least one compound of Formula I, including all geometric and stereoisomers, N-oxides and agriculturally suitable salts thereof: (I) wherein R1, R2, R5 and R6, m and n are as defined in the disclosure, and (b) at least one compound selected from the group consisting of (b1) alkylenebis(dithiocarbamate) fungicides; (b2) compounds acting at the bc1 complex of the fungal mitochondrial respiratory electron transfer site, (b3) cymoxanil, (b4) compounds acting at the demethylase enzyme of the sterol biosynthesis pathway; (b5) morpholine and piperidine compounds that act on the sterol-biosynthesis pathway; (b6) phenylamide fungicides; (b7) pyrimidinone fungicides; (b8) phthalimides; and (b9) fosetyl-aluminum. Also disclosed are methods for controlling plant diseases caused by fungal plant pathogens that involves applying an effective amount of the combinations described. Also disclosed are certain novel compounds of Formula I.