A subspecies of black currant, which we will consider in detail in this article, is a representative of plants with an average ripening period. Black currant Kupalinka appeared at the Institute of Fruit Growing of the National Academy of Sciences of Belarus, thanks to the works of breeders A.G. Voluznev, N.A. Zazulina, A.F. Radyuk, by self-pollination of the subspecies Minai Shmyrev. In 2002, this subspecies was entered in the State Register and zoned [...]