Evaluation of potato varieties from the Republic of Belarus from the doublet world collection of VIR in the Murmansk Region

Relevance, Materials and Methods. The potato collection, represented by varieties from the Republic of Belarus in the amount of 40 samples, was studied in the Murmansk region. The study was conducted from 2000 to 2023, the duration of the study according to the samples ranged from 3 to 9 years. The study of potato samples was carried out according to the methodological guidelines for the maintenance and study of the world potato collection in Russia. The standards for the early ripening group were the Hibinskiy ranniy variety and the percentage of the average yield standardfor the collection of early ripening varieties; the Imandra variety and the percentage of the average yield standard for the collection of mid-season varieties were chosen as the standard for the mid-season group; for the group of late-ripening varieties in the collection, the percentage of the average yield for the collection of late-ripening varieties was used as a standard, since there is no standard for late-ripening ripening groups in the region.