Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 1
Written by Silvena TODOROVA, Petko MINKOV, Boryana STEFANOVA, Georgi POPSKI
A comparative study was done on the biological and economic characteristics of plum varieties of Prunus domestica L. grown under agroecological conditions of Lovech (RIMSA – Troyan) and Gabrovo regions (the Plum Experimental Station Dryanovo). The observations were conducted in the period 2019 – 2021 of the varieties such as 'Čačanska lepotica’, 'Čačanska najbolja’, 'Čačanska rodna’, 'Gabrovska’, 'Strinava’ and 'Stanley’, selected for the control. The phenological phases of flowering and harvest maturity of the fruits were determined. Biometric measurements and the chemical composition of fresh plum fruits were made. It was found that the fruits of the large-size varieties such as 'Čačanska lepotica’ and 'Čačanska najbolja’ had an average weight (41 – 48 g) for the Troyan region, and 42 – 45 g for the region of Dryanovo, which are suitable for fresh consumption. The fruits of the 'Čačanska rodna’, 'Strinava’, and 'Gabrovska’ contain over 20% dry matter in both regions, which makes them suitable for drying and distillation. The studied plum varieties are suitable for growing in the study areas and may be recommended for the expansion of the variety assortment in the establishment of new plum plantations for fresh consumption and processing.
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