PROBLEM TO BE SOLVED: To provide a microorganism controlling agent having high microorganism controlling performance even in the case of addition of a low concentration, while keeping sustainability of the effect, and to provide a method for controlling microorganism.SOLUTION: This microorganism controlling agent contains a tri-n-butyl-n-dodecyl phosphonium salt and 2-methyl-4-isothiazoline-3-one as active ingredients.COPYRIGHT: (C)2013,JPO&INPIT【課題】効果の持続性を維持しながら、低濃度での添加であっても、高い微生物防除性能を有する微生物防除剤、及び、微生物防除方法を提供する。【解決手段】トリ-n-ブチル-n-ドデシルホスホニウム塩と2-メチル-4-イソチアゾリン-3-オンとを有効成分として含有する微生物防除剤。【選択図】なし
