Plant growth regulating triazoles

Abstract From the Canadian patent

Triazole compounds of the formula wherein, X is -O- or -S-;, Ar is phenyl or phenyl substituted with 1 or 2 groups independently selected from halo trifluoromethyl, C1-C3 alkyl, C1-C3 alkoxy difluromethoxy, trifluoromethoxy, pentafluoroethoxy and 1,1,2,2-tetrafluoroethoxy;, R1 is C1-C4 primary or secondary alkyl; R2 is hydroxy, C1-C4 alkoxy, benzyloxy phenoxy, or -NR4R5;, R3 is hydrogen or C1-C4 primary or secondary alkyl;, R4 and R5 independently are hydrogen C3-C6, cycloalkyl or C1-C3 alkyl, or R4 and R5 combine with the nitrogen atom to which they are attached to form morpholino pyrrolidino or piperidino; and phytologically-acceptable salts thereof are plant growth regulators.