PROBLEM TO BE SOLVED: To provide a composition having excellent potency to control plant disease and a plant disease control method.SOLUTION: There are provided a plant disease control composition containing a tetrazolinone compound represented by the following formula (1) and a 5-fluorouracil compound such as 5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidine-2(1H)-one and a plant disease control method including a process for treating plants or soil where plants are cultivated with effective amounts of the same. X1 is a halogen atom, a C1 to C6 alkyl group or a C1 to C6 alkoxy group, X2 is a C1 to C3 alkyl group, a C3 to C4 cycloalkyl group, a halogen atom or a C1 to C3 alkoxy group.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】下式(1)で示されるテトラゾリノン化合物と、5-フルオロ-4-イミノ-3-メチル-1-トシル-3,4-ジヒドロピリミジン-2(1H)-オン等の5-フルオロウラシル化合物とを含有する植物病害防除組成物、及びそれら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。〔式中、X1は、ハロゲン原子、C1~C6アルキル基又はC1~C6アルコキシ基;X2は、C1~C3アルキル基、C3~C4シクロアルキル基、ハロゲン原子又はC1~C3アルコキシ基〕【選択図】なし
