Phenological features of raspberry varieties in the Samara region
The article presents the results of studying the timing of the onset and duration of the main phenological phases in 11 varieties of raspberries of various genetic origin in the State budgetary institution of the Samara Region «Scientific Institute of Gardening and Medicinal Plants «Zhigulevskiye Sady». It is established that the conditions and duration of the phenological phases of raspberries are significantly affected by weather conditions. Based on long-term data on the timing of flowering and fruit ripening, varieties are divided into groups: early, middle, late.