PROBLEM TO BE SOLVED: To provide a plant disease-controlling composition having an excellent controlling efficacy against plant diseases, and to provide a plant disease-controlling method.SOLUTION: There are provided the plant disease-controlling composition containing 4-oxo-4-[(2-phenylethyl)amino]-butyric acid and ethaboxam as active ingredients and the plant disease-controlling method for applying 4-oxo-4-[(2-phenylethyl)amino]-butyric acid and ethaboxam in effective amounts to plants or soil for culturing the plants.COPYRIGHT: (C)2011,JPO&INPIT【課題】植物病害に対する優れた防除効力を有する植物病害防除用組成物、及び植物病害の防除方法を提供する。【解決手段】4-オキソ-4-[(2-フェニルエチル)アミノ]-酪酸とエタボキサムとを有効成分として含有する植物病害防除用組成物、4-オキソ-4-[(2-フェニルエチル)アミノ]-酪酸とエタボキサムとの有効量を植物または植物を栽培する土壌に施用する植物病害の防除方法。【選択図】なし