PROBLEM TO BE SOLVED: To provide an agriculture and horticulture fungicide having a new oxime ether derivative or its salt as an active component.SOLUTION: The agriculture and horticulture fungicide includes at least one kind selected from the oxime ether derivative shown by formula (I) or a salt thereof and these compounds as an active component. In formula (1), X is a 1 to 8C alkyl group or the like, n is the substitution number of X and is an integer of 0 to 4, R1 and R2 are each independently a hydrogen atom, m is the repeating number of the unit in the parentheses and is an integer of 1 to 8, R3 is 1 to 8C alkyl group or the like, R4 is 1 to 8C alkyl or the like, R5 is a hydrogen atom or the like, Y is an oxygen atom or sulfur atom, Z is an oxygen atom or the like, and Q is a pyrazole ring having no substituent or having a substituent.COPYRIGHT: (C)2013,JPO&INPIT【課題】新規オキシムエーテル誘導体またはその塩を有効成分とする農園芸用殺菌剤を提供する。【解決手段】式(I)で表わされるオキシムエーテル誘導体またはその塩、並びにこれらの化合物から選ばれる少なくとも1種を有効成分として含有する農園芸用殺菌剤。なお、式(I)中、XはC1~8アルキル基等を表わす。nはXの置換数を表わし且つ0~4のいずれかの整数である。R1およびR2はそれぞれ独立して水素原子等を表す。mは括弧内の単位の繰返し数を表わし且つ1~8のいずれかの整数である。R3はC1~8アルキル基等を表す。R4はC1~8アルキル基等を表す。R5は水素原子等を表す。Yは酸素原子または硫黄原子を表す。Zは酸素原子等を表す。Qは無置換の若しくは置換基を有するピラゾール環基を表す。【選択図】なし