To provide a plant disease control agent and a plant pathogen proliferation inhibitor that have excellent proliferation inhibitory activity against specific plant pathogen, and a plant disease control method employing the plant disease control agent.SOLUTION: The invention provides a plant disease control agent and a plant pathogen proliferation inhibitor that comprise a compound represented by general formula (1) or a salt thereof. The invention also provides a plant disease control method employing the plant disease control agent. [In the formula, Rare identical or different and each represent hydrogen, alkoxy, alkyl, hydroxyalkyl, haloalkyl, hydroxy, halogen, amino, nitro or cyano； n represents an integer from 1 to 4； Rare identical or different and each represent chlorine, bromine or iodine； and m represents an integer from 1 to 4.]SELECTED DRAWING: None【課題】特定の植物病原菌に対する優れた増殖阻害活性を有する植物病害防除剤及び植物病原菌の増殖抑制剤、並びに該植物病害防除剤を用いる植物病害の防除方法を提供する。【解決手段】一般式（１）で表される化合物又はその塩を含む植物病害防除剤及び植物病原菌の増殖抑制剤、並びに該植物病害防除剤を用いる植物病害の防除方法。〔式中、R1は、同一又は異なって、水素、アルコキシ、アルキル、ヒドロキシアルキル、ハロアルキル、ヒドロキシ、ハロゲン、アミノ、ニトロ、又はシアノを示し、nは、1～4の整数を示し、R2は、同一又は異なって、塩素、臭素、又はヨウ素を示し、mは、1～4の整数を示す。〕【選択図】なし
