abstract |
An azole derivative according to the invention is represented by Formula (I), wherein each of R a and R b denotes a hydrogen atom, or a C 1 -C 6 alkyl group, a C 2 -C 6 alkenyl group or a C 2 -C 6 alkynyl group; R a and R b may be substituted with X a or X b which is a halogen atom; each of n a and n b denotes 0 or the number of X a - or X b -substituted hydrogen atoms among the hydrogen atoms in R a or R b ; each Y denotes a halogen atom, a C 1 -C 4 alkyl group, a C 1 -C 4 haloalkyl group, a C 1 -C 4 alkoxy group, a C 1 -C 4 haloalkoxy group, a phenyl group, a cyano group or a nitro group; m denotes 0 to 5; and A denotes a nitrogen atom or a methyne group. As a result, an azole derivative contained as an active ingredient in an agro-horticultural agent having an excellent controlling effect on diseases can be provided. |