Selection of potato varieties of various target areas in the conditions of the forest-steppe of the Novosibirsk Obregion

As part of the comprehensive research plan for the implementation of the FNTP subprogram “Development of potato breeding and seed production”, a potato breeding program is being conducted on the basis of the SibNIIRS branch of the ICIG SB RAS in various areas, the main ones are: selection for adaptability, early maturity, high productivity, nematode resistance and suitability for processing into crispy potatoes and fries. The purpose of the study is to study the best hybrids of the nursery of competitive variety testing in various breeding areas. The object of the study was 12 best potato hybrids from the nursery of competitive variety testing. Three varieties were taken as the standard: Yuna, Nevsky and Svitanok Kievsky. The coefficient of adaptability over 1 was noted in 67% of hybrids of the competitive nursery. According to the early harvest, three hybrids that exceeded the standard were distinguished: 2029, 812-5, and 1920/3-1. The average productivity in the years of research over 30 t/ha was noted in 8 hybrids of the competitive nursery: 4797/3-1 (30.4 t/ha), 886/1-4 (30.7 t/ ha), 1-14-1a (31.1 t/ha), 1014/8-1 (32.4 t/ha), 785/8-5 (32.9 t/ha), 2302 (34.6 t/ha), 2029 (36.1 t/ha) and 1920/3-1 (38.7 t/ha). According to the results of the All-Russian potato testing center for resistance to cancer and nematode (VNIIKH, Moscow), 83% of hybrids of the competitive nursery are resistant to golden potato nematode. According to the suitability for processing for crispy potatoes, one highly suitable sample was identified – 2660/1 (8 points). Three highly suitable (8-9 points) hybrids are recommended for processing into French fries: 2681/4, 4797/3-1, 1920/3-1. As a result of the selection of SibNIIRS, two medium-early hybrids were created and submitted for State Testing: 785/8–5 (Alka) from 2022; 1014/8-1 (Nika) – from 2023. The early productivity of the hybrid 1920/3-1 was 64% higher than the early variety-the Yna standard, this sample is being prepared for transfer to the State Variety Testing among the early ripening group called Ataman. This work was supported by IC&G budget project No FWNR-2022-0033.

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