Compounds of formula I ##STR1## and possible isomers and isomeric mixtures thereof, wherein a) X is CH.sub.2 F or CHF.sub.2 ; Y is CH and Z is OMe, or b) X is CH.sub.2 F or CHF.sub.2 ; Y is a nitrogen atom and Z is OMe or NHCH.sub.3, and wherein also m is 0, 1, 2, 3, 4 or 5 and U represents identical or different substituents selected from halogen, cyano, nitro, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkenyloxyiminomethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxyiminomethyl, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.2 haloalkoxy, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy and unsubstituted or substituted benzyl or represents substituents at two adjacent positions of the phenyl ring of formula I that define a fused hydrocarbon bridge so as to form a larger hydrocarbon ring having up to 14 carbon atoms, are suitable for controlling and preventing microorganisms, insects and Acarina on plants. They can be used in the form of commercially customary formulated compositions.
化合物I的公式为##STR1##及其可能的异构体和异构混合物,其中a)X为CH.sub.2 F或CHF.sub.2; Y为CH,Z为OMe,或b)X为CH.sub.2 F或CHF.sub.2; Y为氮原子,Z为OMe或NHCH.sub.3,且m为0,1,2,3,4或5,U代表从卤素,
氰基,硝基,C.sub.1-C.sub.12烷基,C.sub.3-C.sub.8环烷基,C.sub.3-C.sub.6烯基,C.sub.3-C.sub.6烯氧基
亚胺甲基,C.sub.1-C.sub.4烷氧基,C.sub.1-C.sub.4烷氧基
亚胺甲基,C.sub.1-C.sub.2卤代烷基,C.sub.1-C.sub.2卤代烷氧基,未取代或取代的苯基,未取代或取代的苯氧基和未取代或取代的苄基中选择相同或不同的取代基,或代表在公式I的苯环的两个相邻位置上定义融合的碳氢桥的取代基,以形成具有高达14个碳原子的更大的碳氢环,适用于控制和预防植物上的微
生物,昆虫和螨虫。它们可以以商业惯用的配方组成形式使用。