This dataset provides information on the Potato Cyst Nematode (PCN) survey of land used for ware production during 2012. The dataset includes the fields: Region, Visit date, Job description, Sample area (Hectares), Number of samples, Cysts present Y/N, Cysts non viable, Fields non viable cysts, Area non viable cysts, Cysts viable globodera pallida, Cysts viable globodera rostochiensis, Pallida infested, Area pallida infested, Rostochiensis infested, Area rostochiensis infected, Combined pallida rostochiensis infected, Area combined pallida rostochiensis. Attribution statement: ©Crown Copyright, APHA 2016