1311382 Seed dressing agent C F SPIESS & SOHN 8 June 1971 [23 June 1970] 19512/71 Heading A5E A preparation for dressing seed comprises a mixture of a fungicidal substituted benzimidazole, e.g. the methyl ester of 1-(butyl carbamoyl)-2-benzimidazole carbamic acid, and 2-(thiocyanomethylthio)-benzothiazole.