Published in Scientific Papers. Series B, Horticulture, Vol. LXVII, Issue 1
Written by Boryana STEFANOVA, Georgi POPSKI, Petko MINKOV, Teodora MIHOVA
The main phenological and biological features of the introduced apple cultivars were studied, for the period 2019-2021 in the region of Troyan. In order to establish their influence on the phenological manifestations of apple cultivars in order to be able to recommend them for cultivation from a practical point of view. It was found that in 2021 flowering was abundant and occurred 5-8 days later than the previous year. The latest date for the end of flowering was registered for the "Reanda" cultivar on May 12. The period from the beginning of flowering to its end is about 15-17 days. The fruits of the observed apple cultivars ripened in the period from mid-September to the first 10 days of October. The fruits of 'Remo' and 'Revena' reached the earliest stage of ripening, and 'Granny Smith' was the latest.
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