Provided is a fungicidal aqueous suspension composition for agriculture and horticulture, comprising: a component (A) in the form of a specific oxime compound, salt thereof or N-oxide thereof, a component (B) in the form of at least one type of compound selected from the group consisting of a polyoxyalkylene alkyl ether, polyoxyalkylene fatty acid ester, polyoxyalkylene sorbitan fatty acid ester and silicone-based surfactant, and a component (C) in the form of at least one type of compound selected from the group consisting of a nonionic surfactant and anionic surfactant other than component (B).성분 (A) : 특정한 옥심 화합물, 그 염 또는 N-산화물 ; 성분 (B) : 폴리옥시알킬렌알킬에테르, 폴리옥시알킬렌지방산에스테르, 폴리옥시알킬렌소르비탄지방산에스테르, 및 실리콘계 계면 활성제로 이루어지는 군에서 선택되는 적어도 1 종 ; 및성분 (C) : 성분 (B) 이외의 논이온계 계면 활성제 및 아니온계 계면 활성제에서 선택되는 적어도 1 종을 함유하는, 수현탁상 농원예용 살균제 조성물.