The present invention relates to a compound represented by the formula (1), which has an excellent controlling effect against plant diseases, With a compound represented by the formula (2) Wherein R1Represents a C1 to C6 alkyl group, R2Represents a hydrogen atom or the like, A represents a nitrogen atom or the like, Y1Represents a halogen atom and n represents 0 or 1. ], And an effective amount of the compound represented by the formula (1) and the azole compound represented by the formula (2) in a soil for cultivating a plant or a plant, and a plant disease controlling composition containing the azole compound represented by the formula A method for controlling plant diseases including a step of treating a plant disease.本発明は、植物病害に対する優れた防除効力を有する、式(1)で示される化合物と、式(2)〔式中、R1は、C1~C6アルキル基を表し、R2は、水素原子等を表し、Aは、窒素原子等を表し、Y1は、ハロゲン原子を表し、そしてnは0または1を表す。〕で示されるアゾール化合物とを含有する植物病害防除組成物、及び前記式(1)で示される化合物と、前記式(2)で示されるアゾール化合物との有効量を植物または植物を栽培する土壌に処理する工程を含む植物病害防除方法を提供する。
