The article presents the date of potato samples evaluating according to the parameters of yield, adaptability and plasticity in the southern zone of the Amur region. The studies were carried out on the meadow chernozem-like soil of the experimental field of the Federal Scientific Center "All-Russian Scientific Research Institute of Soybean", in accordance with generally accepted methods. The object of research was eight hybrids of the mid-early ripeness group with the origin: 2 ks (Lider×Simfoniia), 2 p (Nikita×Camellia), 1 p (Gala×Borra Volleg II), 34 ks (2584-29×05112-1711), 7 p (Korsar×Verdi 2), 43 pr (Krepysh×05/12-11), 2117 (2677-67×Gala) and 2121 (93.14-90×Gala). The purpose of the research was an agroecological assessment of potato hybrids in a competitive test of selective crop rotation. The most favorable weather conditions, in comparison with 2017 and 2018, for the growth and development of the potato crop were formed in 2016. The index of environmental conditions was equal to (lj=+ 0.26). As a result of the assessment by the yield parameter, three hybrid combinations were noted: 1 p (Gala×Borra Volleg II) with a yield of 29.77 t/ha, which exceeded the standard variety by 6.3 t/ha, 2 p (Nikita×Camellia) – 28.6 t/ha and 5.2 t/ha and 2 ks (Lider×Simfoniia) – 26.5 t/ha and 3.1 t/ha, respectively. Six genotypes (Сa) from 1.01 to 1.11 and (bi) from 1.01 to 1.46 were distinguished by high adaptive capacity and ecological plasticity to changing environmental conditions. The noted hybrids are promising for the creation of Far Eastern breeding varieties.

Rafalskiy Sergey V., Rafalskaya Olga M., Melnikova Tatiana V.

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