PROBLEM TO BE SOLVED: To provide an agricultural and horticultural fungicide having an excellent controlling effect to tea gray blight not only in spray just after picking tea leaves but also in spray after picking them.SOLUTION: A fungicide containing a specific quinoline derivative compound such as 8-fluoro-2,3-dimethyl-6-(1,1-dimethylethyl)-4-(methylcarbonyl)oxyquinoline or its acid addition salt as an active ingredient shows an excellent controlling effect to tea gray blight not only in spray just after picking tea leaves but also in spray within several days after picking them.COPYRIGHT: (C)2012,JPO&INPIT【課題】茶葉の摘採直後の散布のみならず、摘採後の散布でもチャ輪斑病に対する優れた防除効果を有する農園芸用殺菌剤を提供する。【解決手段】8-フルオロ-2,3-ジメチル-6-(1,1-ジメチルエチル)-4-(メチルカルボニル)オキシキノリン、等の特定のキノリン誘導体化合物またはその酸付加塩を有効成分とする殺菌剤が、摘採直後散布のみならず、摘採後数日以内の散布でもチャ輪斑病に対して優れた防除効果を示す。【選択図】なし
