E. Blagoeva

E. Blagoeva
Agricultural Academy - Bulgaria

PhD

About

20
Publications
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122
Citations

Publications

Publications (20)
Conference Paper
Full-text available
Oregano, or “Greek” oregano, (Origanum vulgare subsp. hirtum (Link) Ieswaart.) is a medicinal plant, from which is extracted essential oil with valuable culinary and antiseptic qualities. Oregano breeding in Bulgaria produced one cultivar and several genotypes, selected for their high productivity and favourable oil composition. Since 2019 at the...
Article
Full-text available
Walnut blight is an economically significant disease, caused by bacteria Xanthomonas arboricola pv. juglandis, which at favorable conditions for its spreading may cause over 80{\%} reduction in fruit yield. Up to now no reports of highly resistant to blight cultivars of English walnut Juglans reg{\`i}a L. were published. The differences, however, i...
Article
A three years’ comparative trial was conducted in Agricultural Experimental Station in the Eastern Rhodopes – Kardzhali, Bulgaria to assess the productive potential of five broomcorn genotypes – cultivar Prima and populations S14, G16, L18 and MI16N. Fresh biomass yield was formed by two to three cuttings per season, depending on annual precipitati...
Article
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The article reviews current situation and forthcoming issues of hazelnut production in Bulgaria regarding world achievements. In summary are listed and commented research topics on hazelnut crop in Bulgaria as well as the elaborated technologies concerning cultivar breeding, nursery production and technologies for hazelnut cultivation. Suggestions...
Article
Full-text available
Hazelnuts of three cultivars (Ata Baba, Ran Trapezundski and Tonda Gentile) grown in Bulgaria were stored for 1, 3, 6 and 12 months at different conditions: unshelled (in shell) or shelled (kernels), at 4 o C (fridge) or at 20 o C (in shadow), and then were analyzed about fatty acids composition, tocopherols and oxidative stability (induction perio...
Article
Full-text available
Microelements Cd, Cu, Fe, Mn, Pb and Zn were determined by flame and electrothermal AAS in six walnut cultivars during four consecutive years. Analysis of variance showed that accumulation of Cu, Fe, Mn and Zn depended on the cultivar whereas the harvesting year of samples influenced significantly none of the investigated six microelements. The con...
Article
Full-text available
Microelements Cd, Cu, Fe, Mn, Pb and Zn were determined by flame and electrothermal AAS in six walnut cultivars during four consecutive years. Analysis of variance showed that accumulation of Cu, Fe, Mn and Zn depended on the cultivar whereas the harvesting year of samples influenced significantly none of the investigated six microelements. The con...
Poster
Full-text available
P-06-T1 HIGH TEMPERATURE-INDUCED RESPONSES OF PEA DURING THE VEGETATIVE STAGE OF GROWTH Atanasova L.1, Sergiev I.1, Goshev I.2, Mihaylova B.2, Vankova R.3, Dobrev P.3, Motyka V.3, Blagoeva E.4 1Institute of Plant Physiology and Genetics, Bulgarian Acdemy of Sciences 2Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Acdemy of...
Article
Full-text available
The contents of Cd, Cu, Fe, Mn and Pb were determined in lipid fractions of various hazelnut and walnut cultivars using electrothermal atomic absorption spectrometry. The lipids were isolated from raw nuts and from nut residues left after simulated food digestion. The essential elements Cu, Fe and Mn were distributed predominantly (> 90%) in the no...
Article
Full-text available
Bioaccessibility of four essential (Fe, Cu, Mn, Zn) and two toxic (Cd, Pb) elements in kernels of four walnut and four hazelnut cultivars was investigated using sequential enzymolysis approach and atomic absorption spectrometry. It was found that the assimilable part of elements was not dependent on nut cultivar. Bioaccessible fraction of Cu, Mn an...
Article
Full-text available
The levels of Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Sb, Se and Zn were determined in nuts of twelve walnut cultivars grown in a lead metallurgy-contaminated area in Bulgaria. The average microelement contents varied in the following ranges, depending on the cultivar: Cd, 0.013-0.045 mg·kg-1; Co, 0.05-0.38 mg·kg-1; Cr, 0.032-0.076 mg·kg-1; Cu, 15.4-20 mg·...
Article
Full-text available
The oils of six walnut (Juglans regia L.) cultivars - Hartley, Pedro, Sheynovo, Tehama, Izvor 10 and Adams, and three hazelnut (Corylus sp.) cultivars - Ata baba, Tonda gentile and Ran trapezundski, grown in Bulgaria, were investigated. Phospholipids content was measured gravimetrically after isolation of the phospholipid fraction by column chromat...
Article
Full-text available
The free sterols and sterol fatty acids esters fractions in walnuts (Juglans regia L.) cv. Pedro and hazelnuts (Corylus pontica C.Koch) cv. Ata baba grown in Bulgaria were studied. Nuts were collected in three stages of kernel development - filling and enlargement (I), immediately after harvest (II) and after post-harvest drying and processing (III...
Article
Full-text available
Cultivation of hazelnut grafted on Turkish hazel (Corylus colurna L.) rootstocks has some advantages over the conventional breeding. Many reports exist on graft take success and high number of rootstock-cultivar combinations was tested. However, data on adaptation, growth and development of grafted hazelnuts after planting on filed is scars. The pr...
Article
The role of cytokinin N-glucosylation and degradation by cytokinin oxidase/dehydrogenase (CKX, EC 1.5.99.12) in response to application of exogenous auxins (2,4-dichlorophenoxyacetic acid [2,4-D] and -naphthaleneacetic acid [NAA]) and cytokinins (N 6-benzyladenine [BA] and trans-zeatin [Z]) was investigated in de-rooted seedlings of Raphanus sativu...
Article
The prolongation of the effect of exogenous cytokinins by inhibition of their inactivation was studied in Raphanus sativus L. cv. Rampouch. As in radish the main way of cytokinin inactivation is their N-glucosylation, inhibitors of this pathway, papaverine, theophylline and olomoucine, as well as two olomoucine analogues, bohemine and roscovitine,...
Article
Dynamics of the response of tobacco cells (line BY-2) to exogenous cytokinin, N6-benzyladenine, and cyclin-dependent kinase inhibitor, roscovitine, was followed using alginate-immobilized cells packed into a column. N6-Benzyladenine (1.25 microM) increased the synthesis of the physiologically-active endogenous cytokinin, isopentenyladenosine, in th...
Article
Full-text available
Four inhibitors of cyclin-dependent kinases, olomoucine, bohem-ine, roscovitine and isopropyl-olomoucine were tested for their ability to modify the conversion of exogenous tritiated dihydrozeatin ([ 3 H]DHZ) in species differing in their pattern of cytokinin sequestering. In radish (Raph-anus sativus L.), species with predominant cytokinin N-gluco...

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