As for the bactericide for agriculture and horticulture, formula (i) (in formula, as for X the halogen atom and the C1 - 20 alkyl groups etc are displayed, R and R, display the hydrogen atom and the C1 - 20 alkyl groups etc, R, displays the hydrogen atom and the C1 - 20 alkyl groups etc, R displays the hydrogen atom and the C1 - 20 alkyl groups etc, R displays the hydrogen atom and the like, Y displays the oxygen atom and the like, Z displays the oxygen atom and the like, Q displays the aryl basis and the like, m displays the integer of 0 - 8, n displays integer 0 - 4.)So the oxime ether derivative or that salt which is displayed 1 genera are contained at least.農園芸用殺菌剤は、式(I)(式中、Xはハロゲン原子、C1~20アルキル基等を表し、R1、R2は、水素原子、C1~20アルキル基等を表し、R3は、水素原子、C1~20アルキル基等を表し、R4は水素原子、C1~20アルキル基等を表し、R5は水素原子等を表し、Yは酸素原子等を表し、Zは酸素原子等を表し、Qは、アリール基等を表し、mは0~8の整数を表し、nは0~4の整数を表す。)で表されるオキシムエーテル誘導体又はその塩の少なくとも1種を含有する。
