Fungicidal compositions containing piperidine compounds and use

摘要

The invention provides fungicidal compositions comprising as an active ingredient a compound having the general formula (I): <IMAGE> (I) or a stereoisomer thereof wherein X and Y are hydrogen, alkyl, or alkoxy, provided that when one of X and Y is hydrogen the other is not -C(CH3)2R, where R is hydrogen, methyl or ethyl; Z is carbonyl, or a derivative thereof, or is -CR3R4- or -CR3OR4- in which R3 and R4 are hydrogen or C1-4 alkyl; R1 and R2, which may be the same or different, are hydrogen or C1-4 alkyl, or R1 and R2 together with the adjacent N-atom constitute an optionally substituted heterocyclic ring; and n is 0 or 1.