Novel azole derivative and agricultural/horticultural fungicide containing said derivative as active ingredient

摘要

An azole derivative represented by the formula (I): ##STR1## wherein X and Y independently represent a halogen atom, a phenyl group or a hydrogen atom, providng that at least one of X and Y is not a hydrogen atom, n represents an integer of 0, 1 or 2, and a represents a nitrogen atom or CH, and an agricultural/horticultural fungicide comprising the azole derivative as an active ingredient are disclosed.PP The azole derivative exhibits an excellent effect in preventing and curing a wide spectrum of plant diseases and possesses low toxicity to mammals.