Adaptive features of sunflower samples selectable by the Tambov Research Institute of Agriculture

The article presents the results of scientific research conducted in 2017-2021 at the Tambov Research Institute of Agriculture, a branch of the I.V. Michurin Federal Research Center. The lines and varieties of sunflower were studied in preliminary and competitive variety testing. As a result, a new promising variety, Zagrey 21, was identified. This variety is intended for organic farming. In 2025, the new sunflower variety Zagrey 21 was included in the State Register of Breeding Achievements for the first time and approved for use in the Central Black Earth Region.