certain potato cultivars such as native potato species (nps) from the andes are known to have resistances to different pests and diseases. some accessions are also interesting from a nutritional and culinary perspective. a collection of 35 nps and 11 old spanish accessions were analysed for streptomyces scabies, rhizoctonia solani and globodera rostochiensis, as well as dry matter, reducing sug...