To provide a novel germicidal composition. This germicidal composition includes, as active ingredients, 2,6-dibromo-2-methyl-4-trifluoromethoxy-4-trifluoromethyl-1,3-thiazole-5-carboxanilide, and a well-known germicide. Also provided is a disease control method characterized by including simultaneous or close treatment with 2,6-dibromo-2-methyl-4-trifluoromethoxy-4-trifluoromethyl-1,3-thiazole-5-carboxanilide and the well-known germicide.本發明之課題係提供新穎的殺菌性組成物。本發明之解決手段為一種殺菌性組成物,其係含有2’,6’-二溴-2-甲基-4’-三氟甲氧基-4-三氟甲基-1,3-噻唑-5-甲醯苯胺、及公知的殺菌劑作為有效成分。或者,一種病害之防除方法,其特徵為同時地、或緊接地處理2’,6’-二溴-2-甲基-4’-三氟甲氧基-4-三氟甲基-1,3-噻唑-5-甲醯苯胺、及公知的殺菌劑。
