The productivity of new Russian blackcurrant cultivars

The paper presents the results of evaluating new cultivars of blackcurrant (Ribes nigrum L.) developed by Russian scientists in which productivity and yield components were assessed. Ten new cultivars of black currant of different genetic and geographic origin were evaluated and compared to ‘Dar Smolyaninovoy’ as a standard. Genetic sources of enhanced yield components were revealed as the result of research with the aim of utilizing them in further breeding work to improve black currant cultivars range. It was revealed that the ‘Mif’ cultivar is characterized by the highest number of fruit-bearing shoots, ‘Barmaley’, ‘Kudesnik’, ‘Strelets’ are characterized by the biggest amount of fruit-bearing nodes on a shoot, ‘Dar Smolyaninovoy’, ‘Mif’ and ‘Kudesnik’ are characterized by the largest fruit size. ‘Barmaley’, ‘Strelets’ and ‘Mif’ are characterized by the highest average productivity (ranging from 11.2 to 11.7 t ha^‑1) for the entire study period.