I. Tringovska, V. Yankova, D. Markova Maritsa Vegetable Crops Research Institute, 32 Brezovsko shosse, 4003 Plovdiv, Bulgaria (Manuscript received 22 August 2016; accepted for publication 27 September 2016) Abstract. Cover crops are an important component in sustainable vegetable prod

P. Vuckov*, M. Ilievski, D. Spasova, L. Mihajlov, N. Markova-Ruzdić Department for Crop Production, Faculty of Agriculture, University Goce Delchev, 2400 Stip, Republic of Macedonia (Manuscript received 30 May 2016; accepted for publication 16 September 2016) Abstract. The purpose of

L. Plescuta, G. Panayotova* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 11 November 2015; accepted for publication 19 May 2016) Abstract. Durum wheat (Tr. durum Desf.) ranks second in the world cereal prod

N. Markova Ruzdik1*, Lj. Mihajlov1, V. Ilieva1, S. Ivanovska2, D. Valcheva3, B. Balabanova1, M.Ilievski1 1Faculty of Agriculture, “Goce Delchev” University, 2000 Shtip, Republic of Macedonia 2Faculty of Agricultural Sciences and Food, “Ss. Cyril and Methodius” Univer

B. Dyulgerova*, N. Dyulgerov Institute of Agriculture, 8400 Karnobat, Bulgaria (Manuscript received 30 October 2015; accepted for publication 8 February 2016) Abstract. The study was conducted to analyze grain yield performances of twenty eight mutant barley lines, two new feed barley

V. Maneva*, D. Atanasova, T. Nedelcheva, M. Stoyanova, V. Stoyanova Institute of Agriculture, 8400 Karnobat, Bulgaria Abstract. In the period of 2012 – 2014, on the experimental field of the Institute of Agriculture in Karnobat, Bulgaria, was conducted a field trial of various sowing

R. Dragov*, D. Dechev Field Crops Institute, 6200 Chirpan, Bulgaria Abstract. The yield is a key indicator in the plant breeding of crops. In recent years a number of new durum wheat varieties created in Field Crops Institute, Chirpan, Bulgaria, have been certified, which are prerequi

N. Markova Ruzdik1*, D.Valcheva2, D.Vulchev2, Lj. Mihajlov1, I. Karov1, V. Ilieva1 1Faculty of Agriculture, “Goce Delchev” University, 2000 Stip, Macedonia 2Institute of Agriculture, 8400 Karnobat, Bulgaria Abstract. The objective of this study was to determine the correlation b

A. Dobreva* Institute of Roses, Essential and Medical Plants, 49 Osvobojdenie, 6100 Kazanlak, Bulgaria Abstract. The aim of the investigations was to trace the influence of the speed level on the distillation of white oil-bearing rose. Using the methods of direct distillation of fresh

N. Valchev1*, G. Pevicharova2 1Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Vegetable Crops Research Institute Maritsa, 32 Brezovsko shose, 4003 Plovdiv, Bulgaria Abstract. The morphological and reproductive manifestations as