PROBLEM TO BE SOLVED: To provide a composition having excellent potency to control plant disease and a plant disease control method.SOLUTION: There is provided a plant disease control composition containing a pyridazine compound represented by the formula (1) and a carboxamide compound represented by the formula (2). There is provided a plant disease control method including a process for treating plants or soil where plants are cultivated with effective amounts of the pyridazine compound represented by the formula (1) and the carboxamide compound represented by the formula (2). X is H or F.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】植物病害に対する優れた防除効力を有する組成物及び植物病害防除方法の提供。【解決手段】式(1)で示されるピリダジン化合物と、式(2)で示されるカルボキサミド化合物と、を含有する植物病害防除組成物。式(1)で示されるピリダジン化合物と、式(2)で示されるカルボキサミド化合物と、の有効量を植物又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。(XはH又はF)【選択図】なし
