D. Stefanova*, S. Malchev Fruit Growing Institute, 12 Ostromila Str., 4004 Plovdiv, Bulgaria (Manuscript received 7 July 2020; accepted for publication 11 August 2020) Abstract. One of the main insect pests of the cherry trees in Bulgaria is Myzus cerasi (Homoptera, Aphididae). The bl

S. Malchev*, A. Zhivondov Fruit Growing Institute, 12 Ostromila, 4004 Plovdiv, Bulgaria (Manuscript received 2 June 2016; accepted for publication 21 September 2016) Abstract. Sweet cherry is a major structural species in Bulgaria. According to the Ministry of Agriculture and Food, in

K. Vasileva1, S. Malchev2*, A. Zhivondov2 1Agricultural University, 12 Mendeleev, 4000 Plovdiv, Bulgaria 2Fruit Growing Institute, 12 Ostromila, Plovdiv, Biulgaria (Manuscript received 2 June 2016; accepted for publication 29 August 2016) Abstract. As a result of years of developing t