NOVEL GROWTH REGULATOR AND MICROBICIDE

The compounds described are those of the general formula I (I) in which R1 is an azolyl group; R2 is C1-C12-alkyl; R3 is hydrogen, C1-C12-alkyl, C2-C4-alkenyl or C2-C4-alkinyl, or benzyl which is unsubstituted or substituted by C1-C6-alkyl, C1-C6-alkoxy, C1-C6-haloalkyl, halogen and/or cyano; R4 is hydrogen, fluorine or C1-C6-alkyl; R5 is an unsubstituted or substituted radical chosen from the series comprising phenyl, naphthyl, biphenyl, benzylphenyl and benzyloxyphenyl, the substituents being chosen from the series comprising halogen, cyano, C1-C6-alkyl, C1-C6-alkoxy C1-C6-haloalkyl, C1-C6-alkylthio, C1-C6-haloalkoxy, C1-C3-haloalkylthio, nitro and/or thiocyano; and X is oxygen or sulfur; including the acid addition salts, quaternary azolium salts and metal complexes. Methods for the preparation of these products are also disclosed, as well as agrochemical compositions containing one of these compounds as the active substance. A method of controlling phytopathogenic microorganisms and/or of regulating plant growth with the aid of these substances is furthermore described.