Study of promising potato hybrids from nurseries of preliminary and main trials in the conditions of the Komi Republic

Relevance. The article presents the results of the A.V. Zhuravsky Institute of Agrobiotechnology of the Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences (Syktyvkar, Komi Republic) from 2021 to 2023 on breeding work in nurseries of preliminary and basic tests (third, fourth, fifth tuberous generation).

The purpose of the research is to create new varieties by selecting promising breeding lines and hybrids that are adaptive to the changing soil and climatic conditions of the northern regions of the country, with excellent tolerance to various diseases, high yields and high-quality tuber indicators.

Methods. The objects of the study were twelve hybrids (varietal samples) of potatoes of four breeding lines: Briz x Krepysh, Red Scarlett x Krepysh, Oksania x Gala, Bellarosa x Gala. Controlled crossing (hybridization) was carried out at the Federal Research Center of Potatoes named after A.G. Lorkh (Korenevo, Moscow Region).

Results. As a result of the studies on the obtained commodity and consumer parameters of potatoes, productivity of one bush, fractionalization of tubers and their quality for the subsequent stages of breeding work, three promising hybrids of two breeding lines belonging to the mid-early and mid-season group, with a yield of 28.1–34.5 t/ha were selected: 2971-3 (Oksania x Gala) and 2984-50, 2984-60 (Bellarosa x Gala). The hybrids obtained in the course of the work can be used as valuable source material for further breeding process of obtaining potato varieties for the northern regions of the Russian Federation.

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