Phenology of red and white currants in the climate of Kyiv, Ukraine

The phenology of red currants ‘Buzhanska’, ‘Kyianochka’, ‘Poliana Holosiivska’, ‘Malva’, ‘Jonkheer van Tets’, and white currants ‘Lebidka’, ‘Snizhanka’ (Ribes rubrum L.) were studied for four consecutive years (2012-2015) in the training laboratory «Fruit and Vegetable Garden» of the National University of Life and Environmental Sciences of Ukraine (NULES of Ukraine), 50°23’N 30°30’E, Kyiv, Ukraine.
During the research, the lowest temperature was recorded in February 2012 at -22.8°C, with an average temperature of -10.3°C for that month; however, no plant freezing was observed.
In 2013, the full flowering of plants (BBCH 65) lasted from May 2 to 6, with a sum of active temperatures above 10°C, totaling 326°C. In 2015, during the flowering phase, the minimum air temperature was recorded at -0.8°C on April 21 and -0.3°C on April 22, whereas in other years, there were no frosts during flowering.
The highest percentage of fruit setting was recorded in ‘Lebidka’ (76%), with 16±4 berries per cluster and a length of 9.4 cm.
In the control, ‘Jonkheer van Tets’ had a figure of 32%, with a cluster length of 8.6 cm.
In Kyiv, the first berries begin to ripen (BBCH 81) in early June, with most berries reaching full ripeness (BBCH 87) in late June or early July.
The earliest ripening cultivars are ‘Snizhanka’ (26.06±4), ‘Jonkheer van Tets’ (26.06±5), and ‘Buzhanska’ (30.06±8) – these cultivars are medium-early in terms of ripening, while the others can be classified as medium-late.
The vegetation period of red currant cultivars lasted from 173 to 205 days, depending on the cultivar.

EHC2024: International Symposium on Berries between Opportunities and Challenges

H. Andrusyk, Y. Andrusyk, V. Voitsekhivskyi

Ribes rubrum L., cultivar, BBCH, temperature, berry, fruit set, vegetation period

https://doi.org/10.17660/ActaHortic.2025.1444.19