V. Valkova, N. Petrovska   Maize Research Institute, 5835 Knezha, Bulgaria   DOI: 10.15547/ast.2018.03.036 (Manuscript received 14 May 2018; accepted for publication 29 June 2018)   Abstract. Тhe article presents a short characteristic of morphological, biological and economic qu

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

M. Panayotov* Department of Animal Science – Non-ruminants and other animals, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 11 April 2016; accepted for publication 26 May 2016) Abstract. The goal of the present study was to determine the i

G. Kikindonov, Tz. Kikindonov, S. Enchev* Agricultural Institute, 9700 Shumen, Bulgaria (Manuscript received 14 May 2016; accepted for publication 23 June 2016) Abstract. The gynogenesis of isolated in vitro ovules is a basic method for the receipt of haploid plants and doubled haploi

Oilseed rape (OSR) or rapeseed – Brassica napus L. is the most important plant of genus Brassica, grown for its oil content. Breeding of new rape varieties without eruc acid content (“0” type) and low-glucosinolytic content (“00” type) is a prerequisite for the culti