This dataset provides information on the Potato Cyst Nematode (PCN) sampling for entry into the Seed Potato Classification Scheme (SPCS) during 2011. Seed Potatoes are those intended for use as seeds for future crops rather than consumption. The dataset includes the fields: Visit date, Job description, PCN +ve (positive for PCN), 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 infested, Combined pallida & rostochiensis infested, Area combined pallida & rostochiensis infested. Attribution statement: