Results of testing potato varieties in the European North

Relevance. Potato varieties Eurasia and Onezhskiy were developed as a result of cooperation between the Murmansk State Agricultural Experiment Station – branch of the VIR and the Leningrad Scientific Research Institute of Agriculture "Belogorka" and were included in the State Register of the Russian Federation in 2014 (Onezhsky) and in 2017 (Eurasia). To determine the prospects for cultivation in the Kola North, the varieties were tested in the conditions of the Murmansk region.

Materials and methods. The research was carried out on the experimental field of the Murmansk State Agricultural Experiment Station – branch of the VIR in 2018-2020. Potato varieties Eurasia and Onezhskiy were obtained from the Leningrad Research Institute of Agriculture "Belogorka". The plot in the experiment included 4 rows of 15 tubers in each row. The planting pattern is 70x35 cm. Repetition – four times. The location of the plots is systematic with the plots being shifted along tiers. Early maturity was assessed using one test coping on the 70th day after planting. The Elizabeth variety was used as a standard. The results were processed using the method of analysis of variance according to Dospekhov.

Results. The research results showed that the Onezhsky variety is distinguished by high starchiness, non-darkening flesh and good taste, is resistant to pathogens: Synchytrium endobioticum (Schilbersky) Percival, Streptomyces scabies (Thaxter), Globodera rostochiensis (Wollenweber) Behrens, relatively resistant to Phytophthora infestans (Mont . De Bary), is weakly affected by Potato virus Y (PVY), Potato leaf roll virus (PLRV). The Onezhsky variety, on average, over three years of research exceeded the standard sample in terms of yield and plant productivity. The Eurasia variety has high starchy content, good taste, culinary type B, is resistant to pathogens: Potato virus Y (PVY), Potato leaf roll virus (PLRV), Globodera rostochiensis (Wollenweber) Behrens, Synchytrium endobioticum (Schilbersky) Percival, moderately susceptible to Phytophthora infestans (Mont. De Bary). The Eurasia variety also exceeded the standard sample in terms of yield and plant productivity. Thus, the Onezhsky and Eurasia potato varieties are recommended for cultivation in the Kola North.

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