V. Ivanova* Agricultural Academy, Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria (Manuscript received 4 October 2023; accepted for publication 15 February 2024) Abstract. Leaf rust on wheat caused by P. triticina is the most widespread fungal disease worldwide and in

Koleva1, Y. Stanoeva2, I. Kiryakov2, A. Ivanova1   1Department of Crop Science and Plant protection, College Dobrich, University Bishop Konstantin Preslavski-Shumen, 9300 Dobrich, Bulgaria 2Dobroudzha Agricultural Institute, 9520 General Toshevo, Bulgaria   DOI: 10.15547/ast.2018.03.0

Koleva1*, Y. Stanoeva2, I. Kiryakov2, A. Ivanova1, P. Chamurlyiski1   1Shumen University “Bishop Konstantin Preslavski”, College Dobrich, Department of Crop Science and Plant protection, 9300 Dobrich, Bulgaria 2 Dobroudzha Agricultural Institute, 9500 General Toshevo, Bulgaria (M

V. Yankova*, D. Markova, N. Velkov, S. Masheva Maritsa Vegetable Crops Research Institute, 32 Brezovsko shosse, 4003 Plovdiv, Bulgaria (Manuscript received 22 August 2016; accepted for publication 30 January 2017) Abstract. One of the main problems in cucumber greenhouse production is

T. Vancheva1, S. Masheva2*, D. Ganeva2, N. Bogatzevska3 1Biological Faculty, Sofia University, 8 Dragan Tsankov, 1164 Sofia, Bulgaria 2Vegetable Crops Research Institute Maritsa, 32 Brezovsko shose, 4000 Plovdiv, Bulgaria 3Institute of Soil Science, Agrotechnologies and Plant Protecti

D. Valkova*, G. Georgiev, N. Nenova, V. Encheva, J. Encheva Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria Abstract. InterspecifichybridizationwascarriedoutbetweensterileanaloguesofcultivatedsunflowerlineswithnormalcytoplasmandwildannualHelianthus petiolaris accessio

C. Melucă, N. Pîrvu, T. Nistor, R. Sturzu, A. Stoilova Abstract. Certain experiments with sunflower hybrids realized through Sulfo technology, resistant to tribenuron methyl 75% based herbicides were performed at Agricultural Research and Development Station(ARDS)Teleorman, Romania. T

M. Drumeva, P. Yankov, N. Nenova, P. Shindrova Abstract. The investigation was carried out at the Laboratory facilities of Dobrudzha Agricultural Institute (DAI), General Toshevo, Bulgaria during 2010 – 2012, and involved 15 doubled haploid fertility restorer sunflower lines (R-lines)

V. Bozhkova, S. Milusheva Abstract. The Sharka disease caused by Plum pox virus (РРV) was found for the first time in Bulgaria more than 80 years ago and it is an endemic disease for our country, as is for all the East European countries. Like all plant viruses, PPV could not be contr

H. Stoyanov Abstract. Wide hybridization as a tool of classical breeding is a method which is successfully applied in the development of breeding programs in cultural plants. Its application is a particularly effective means to overcome the effects of biotic and abiotic stress in cult