V. Petrova*, S. Dimitrova, D. Sotirov Agricultural Academy, Institute of Agriculture, 2500 Kyustendil, Bulgaria (Manuscript received 18 May 2022; accepted for publication 14 November 2023) Abstract. The present study was conducted during the period 2019 – 2021 at the Institute o

A. Zhivondov1, S. Savchovska1, S. Pandova1, D. Petkova2*, P. Doykina3, I. Manolov4 1Department of Breeding and Genetic Resources, Fruit Growing Institute, 4000 Plovdiv, Bulgaria 2Department of Biotechnology, Technological Faculty, University of Food Technologies, 4002 Plovdiv, Bulgari