Archive Volume 10
Number 1
Scientific Life
Professor Dr. Sc. Konstantin Terytze - Doctor Honoris Causa of the National Center for Agrarian Sciences - Bulgaria
Prof. Dr. Sc. Ivan Atanassov
Warsaw Memorandum on the Status of Plant Molecular Biology Programmes and Perspectives in an Enlarged Europe
Plant Sciences
Resistance to Brown Spot Disease (Alternaria alternata Tobacco Pathotype) in Three Tobacco Cultivars
S. Slavov, S. Mayama and A. Atanassov
Received July, 8, 2003; accepted September, 19, 2003
Assessment of Seasonal Variability of Belowground biomass in Belgian grasslands influenced by management treatments
A. Iantcheva, I. Mestdagh, P. Lootens and L. Carlier
Received July, 8, 2003; accepted September, 19, 2003
Developing genetic variability by somacloning in sunflower (Helianthus annuus L.) and it's application for crop improvement
J. Encheva, F. Tsvetkova, P. Ivanov, M. Todorova and P. Shindrova
Received July, 8, 2003; accepted September, 19, 2003
Correlations Between Quantitative Characters in Garden Pea Depending on the Year of Cultivation
Received October, 7, 2003; accepted January, 12, 2004
Inheritance of Cercospora Leaf Spot Resistance in Hybrids of Monogerm Dihaploid Sugar Beet Lines
G. Kikindonov and Tz. Kikindonov
Received April, 4, 2003; accepted September, 22, 2003
From Precision Viticulture Standpoint Some Technological Progresses
Demir Kok, Elman Bahar, Ilknur Korkutal and Salih Celik
Received November, 17, 2003; accepted January, 12, 2004
The Effect of Different Tillage Methods on Silage Quality in Secondary Crop Maize
Yilmaz Bayhan, Erkan Gonulol, Birol Kayisoglu, Harun Yalcin and Fusun Koc
Received November, 17, 2003; accepted January, 12, 2004
Breeding and Breadmaking Quality of Winter Hexaploid Triticale Mulei (x Triticosecale Wittmack) with Complete Rye Genome
St. Tsvetkov, K. Tsvetkov, V. Konov, I. Vassileva and P. Balevska
Received September, 17, 2003; accepted January, 12, 2004
Evaluation of Some Agronomic Characters of Natural Orchardgrass (Dactylis glomerata L.) Populations Collected from Thrace Region of Turkey
M. Tuna, C. Olcayto Sabanci and A. Golan-Goldhirsh
Received September, 17, 2003; accepted January, 12, 2004
Study on in vitro Pollen Germination of Sunflower (Helianthus annuus L.) Before and After Gamma-irradiation
M. Todorova, N. Nenova and J. Encheva
Received September, 17, 2003; accepted January, 12, 2004
The Impact of Soil Biota and Crop Management Practices on Soil-Borne Plant Pathogens and Diseases in Agricultural Systems
T. D. Vatchev
Received October, 15, 2003; accepted January, 12, 2004
Complex Phytopathological Evaluation of Tomato Lines for Early Production
O. Georgieva and D. Ganeva
Received December, 7, 2003; accepted January, 12, 2004
Food Science and Technology
Kinetics of Moisture Adsorption of Chickpea Flour
Received December, 12, 2004; accepted January, 10, 2004
Optimization of the Composition of Natural Antioxidants Suitable for Dry-Fermented Meat Products
S. Dragoev, D. Balev, D.Dontchev and M. Diltcheva
Received December, 5, 2003; accepted January, 23, 2004
Soil Science, Agrochemistry and Ecology
Heavy Metals Accumulation in Biomass of Some Crop Plants
I. Anguelova, G. Anguelov, I. Atanassov and N. Bailey
Received November, 10, 2003; accepted January, 12, 2004
Risk Evaluation of Drought Under Rainfed Maize in Bulgaria
I. Varlev
Received October, 24, 2003; accepted January, 12, 2004
Tolerance of Bulgarian Wheat Varieties to Conditions of Acid Soil Reaction. II. Effect of Exchangeable Aluminum on Root Mass and Root-shoot Relation
M. Nankova, K. Kostov and E. Penchev
Received November, 10, 2003; accepted January, 12, 2004
Animal Science
Milk Yield of Sheep from the Copper-Red Shumen Strain
G. Staikova
Received November, 10, 2003; accepted January, 12, 2004
Optimal Choice by Mathematical Modelling and Optimization of Protein Addition to the Starter of Broiler Chickens
N. Takuchev and M. N. Sharif
Received May, 21, 2003; accepted January, 12, 2004
Study of Growth Potentials and Slaughter Analysis of BUT-9 Broiler Turkey Poults
M. Oblakova
Received October, 7, 2003; accepted January, 12, 2004
A Study on the Semen Characteristic and Sexual Activity of One- and Two-Year Old Muscovy Drakes
V. Gerzilov
Received January, 12, 2004; accepted February, 12, 2004
Short communications
Bioelectric Field Essence and Transmission in Wild Animals
Y. Kostov
Number 2
Plant Science
Genetic Control of Green Banner, Keel and Seedcoat Color in Common Bean (Phaseolus vulgaris L.)
D. Genchev
Received February, 10, 2004; accepted March, 26, 2004
Detection of Cereal Viruses and Study of Aphid Population in Bulgaria
N. Bakardjieva, C. Krasteva, A. Habekuss and F. Rabenstein
Received January, 20, 2004; accepted March, 21, 2004
Investigation on Krumovgrad Origin Grown in Different Bulgarian Regions
D. Drachev
Received January, 20, 2004; accepted March, 21, 2004
Interspecific Hybrids between Helianthus annuus and H. tuberosus: RAPD Analysis, Disease Resistance, Combining Ability
J. Encheva, M. Christov, H. Kohler, P. Shindrova, V. Encheva and W. Friedt
Received January, 10, 2004; accepted March, 18, 2004
Variety of Species and Spread of Fungi of Genus Fusarium Related to Rotting of Garlic
K. Koleva
Received August, 23, 2003; accepted January, 12, 2004
Technological Characteristics of Newly Developed Mutant Common Winter Wheat Lines
M. Mangova and G. Rachovska
Received September, 26, 2003; accepted December, 10, 2003
Influence of Meteorological Conditions and Agronomical Practices upon Attack of Sunflower by Sclerotinia White Rot (Sclerotinia sclerotiorum Lib.)
V. Alexandrov and M. Angelova
Received January, 20, 2004; accepted March, 21, 2004
Identification of Grape Cultivars Via Microsatellite Markers
Demir Kok, Ilknur Korkutal, Elman Bahar and Salih Celik
Received February, 20, 2004; accepted March, 12, 2004
Correlative Dependencies Between the Density and Growth Parameters of Setaria viridis (L.) Beauv
R. Nakova
Received January, 12, 2004; accepted March, 12, 2004
Soil Science, Agrochemistry and Ecology
Groundwater Allocation Modeling in Water Scarce Area: A Case Study in Syria
A. Gul and F. Rida
Received August, 18, 2003; accepted September, 20, 2003
Food Science and Technology
Effect of Damaged Kernel on the End-us Quality of Durum Wheat
Received November, 3, 2003; accepted January, 12, 2004
A Study on the Hydrophilic Properties of Pork Meat Obtained from Animals Treated with Low Doses Gamma Rays and Organophosphorous Pesticides
S. G. Dragoev, N. S. Nikolova and B. N. Todorov
Received January, 20, 2004; accepted March, 21, 2004
Improved Monitoring of Environmental Carcinogens
M. Pesheva, O. Krastanova, M. Hadzhitodorov, T. Stoycheva, V. Dentcheva Y. Zhecheva, P. Venkov and Ts. Tsvetkov
Received January, 10, 2004; accepted March, 21, 2004
Investigation on the Impac of Moisture Content and Duration of Curing over Flue-Cured Tobacco Quality
V. Nikolova and D. Drachev
Received February, 4, 2004; accepted March, 12, 2004
Animal Science
Importance of Presenting Indigenous Animal Genetic Sourches in Trakia Region of Turkey
Y. T. Tuna, M. I. Soysal, E. K. Gurkan and E. Ozkan
Received December, 9, 2003; accepted January, 21, 2004
Effect of Yeast Culture (Saccharomyces ceremisiae) on Feed Intake and Digestibility Coefficient of West African Dwarf Goat Fed Sawdust-Cassava Waste Based Diet
M. A. Belewu, D. J. Ologunla and K. Y. Belewu
Received January, 10, 2004; accepted March, 10, 2004
Study on Genetic Variations of Esterase in Blood Serum Heart Muscle and Liver of Geese
M. Oblakova and S. Tanchev
Received January, 20, 2004; accepted March, 21, 2004
Season and Year Effect on Sperm Quality and Quantity in Boars from the Danube White Breed
Y. Marchev and A. Apostolov
Received December, 20, 2003; accepted February, 12, 2004
Combine Ability Evaluation of Perspective Bulgarian and Romanian Silkworm (Bombyx mori L.) Races
Y. Vasileva, N. Petkov, Z. Petkov, A. Matei, L. Marghitas and G. Dinita
Received January, 20, 2004; accepted March, 21, 2004
Milk Productivity of Sheep from the Karakachan Breed
S. Boikovski, G. Staikova, G. Stefanova and D. Dimitrov
Received January, 20, 2004; accepted March, 21, 2004
Ultrastructural Assay of in vitro Stored Muscovy Spermatozoa at Temperature 0-4° C for Six Hours
D. Kacheva, V. Gerzilov, I. Nikolov and J. Koleva
Received January, 23, 2004; accepted March, 12, 2004
Milk Yield, Composition and Properties of Milk from Dairy Sheep Breeds
E. Raicheva, D. Nedelchev and N. Petrova
Received December, 10, 2003; accepted January, 12, 2004
Short communications
Effect of World Bank Loan Withdrawal on Job Related Variables of Extension Agents in South Western Nigeria
A. E. Ehien, O. I. Oladele and T. O. Ogunfiditimi
Received January, 10, 2004; accepted March, 10, 2004
Number 3
Plant Sciences
Developing of B Lines in Sunflower (Helianthus annuus L.) by Combined Use of Polycross Method with Ultra Sound and Embryo Culture Method
J. Encheva, M. Christov and P. Ivanov
Received December, 5, 2003; accepted March, 12, 2004
Results from Interspecific Hybridization between Helianthus grosseserratus Martens and H. annuus L.
L. Nikolova
Received January, 10, 2004; accepted March, 12, 2004
Effect of Xanthium strumarium (L). Position on the Competition with Beans
R. Nakova
Received December, 10, 2003; accepted February, 11, 2004
Effect of Plant Growth Regulators Alar, MEIA and Paclobutrazole on the Phenophase of Flowering and Some Ornamental Parameters of Mini-Carnation (D. caryophyllus f. spray Hort.)
B. Atanassova, I. Filipova and V. Alexieva
Received November, 10, 2003; accepted February, 11, 2004
Productivity of Winter Forage Pea (Pisum sativa L.) Depending on the Phenological Stage and the Height of Cutting During Two-Cut Harvesting - for Forage and for Grain
T. S. Kertikov and D. V. Kertikova
Received November, 10, 2003; accepted February, 11, 2004
Photoassimilate Transport and Localization in Pear Cultivar Williams as Depending on the Growing Fruit Position on Spurs
St. Gandev and St. Mavrodiev
Received December, 4, 2003; accepted March, 12, 2004
Identification of Races of Rose Powdery Mildew Pathogen Sphaerotheca pannosa var. rosae in Bulgaria
Received March, 10, 2004; accepted May, 18, 2004
Polyploidization of Lavender (Lavandula vera V.) in vitro
Y. Slavova, E. Zayova and S. Krastev
Received December, 19, 2003; accepted March, 12, 2004
Food Science and Technology
Factors Affecting the Colour of Durum Wheat Products
Received December, 10, 2003; accepted March, 12, 2004
Investigation on the Leaf Pigment Modification During the Curing Process of Flue - Cured Tobacco
V. Nikolova
Received February, 7, 2004; accepted April, 20, 2004
Investigation on Different Cigarette Papers and Its Influence on Tobacco Smoke Chemical Composition 2. Investigation on Cigarette Paper Influence on Smoke Composition
N. Nikolov and S. Georgiev
Received February, 7, 2004; accepted May, 12, 2004
Animal Science
Complex Evaluation of Some Introduced Silkworm Bombyx mori L. Races in SES-Vratza's Gene-bank
Y. Vasileva, N. Petkov and Z. Petkov
Received February, 23, 2004; accepted May, 12, 2004
Genetic-Selection Parameters of Main Productive Characters of Genetically Sex-marked Silkworm (Bombyx mori L.) Lines I. Average Phenotypic Values and Variability
N. Petkov, Z. Petkov, Y. Vasileva, A. Matei, L. Marghitas and G. Dinita
Received Fevruary, 7, 2004; accepted May, 12, 2004
Genetic Control and Genetic Diversity of Esterases in Poultry
M. Oblakova
Received February, 5, 2004; accepted March, 12, 2004
Studies on the Genetic Constitution of Black - and - White Dairy Cattles Raised in Tahirova State Farm
Received February., 5, 2004; accepted March, 12, 2004
Variation of Composition and Properties of the Milk for Control Day
E. Raicheva, D. Nedelchev and T. Ivanova
Received February, 7, 2004; accepted March, 12, 2004
Estimation of the Breeding Value of Bulls from the Black and White Cattle Breed by Some Traits
T. Ivanova
Received February, 4, 2004; accepted March, 12, 2004
Reproductive Qualities of Some Pig Breeds Raised in the Nucleus and Reproductive Herds in Poland
B. Szostak, St. Slanev and A. Apostolov
Received February, 8, 2004; accepted March, 12, 2004
Effect of Lactina Probiotic Supplement to Broiler Chicks' Diet
D. Stoyanov, S. Surdjiiska, M. Dimitrova, B. Giurov and V. Naydenov
Received December, 1, 2003; accepted March, 12, 2004
Agricultural Technics
Determination of Some Mechanical Properties of Sunflower for Harvesting
Birol Kayisoglu, Poyraz Ulger, Habib Kocabiyik and Turkan Aktas
Received January, 7, 2004; accepted March, 12, 2004
The Comparision of the Physical Characteristics of Two Different Types of Engine Oils Used in Tractors
E. Kilic and S. Arin
Received March, 10, 2004; accepted May, 18, 2004
Number 4
Comparative Study of the Ovarian Follicles in Hibernating and Nonhibernating Mammals
Ts. Tsvetkov, V. Stanchev and Ts. Takeva
Received March, 12, 2004; accepted June, 12, 2004
Plant Sciences
New Sunflower Restorer Lines, Developed by Direct Organogenesis Method from Intergeneric Cross Helianthus annuus (cv. Albena) x Verbisina helianthoides (Genera Verbisina) - Decease Resistance, Combining Ability
J. Encheva, M. Christov, M. Todorova, P. Shindrova and V. Encheva
Received November, 10, 2003; accepted April, 20, 2004
An Efficient Correlation Model for the Study of Grape Cultivars' (Vitis vinifera L.) Fertility
T. Mokreva and V. Roichev
Received February, 10, 2004; accepted April, 18, 2004
Incomplete Resistance of Some Winter Wheat Cultivars against Puccinia recondita f. sp. tritici
M. Todorova and R. Andonova
Received April, 20, 2004; accepted June, 12, 2004
Mixed Bread from Wheat and Barley Grain - a Possibility for Consumption
St. M. Tsvetkov, K. S. Tsvetkov and I. Stoeva
Received May, 10, 2004; accepted June, 18, 2004
Investigation of the Gliphosate Impact on the Leaf Gas Exchange and the Photosynthetic Pigments Content in Some Perennial Weeds
I. Zhelyazkov, Z. Zlatev and Sh. Kalinova
Received December, 10, 2003; accepted April, 12, 2004
Effects of Different Ethrel Dosages on Some Quality Attributes of Cv. Hayward (Actinidia deliciosa)
D. Kok and S. Celik
Received May, 10, 2004; accepted June, 18, 2004
New Record of a Fungal Pathogen on White Peach Scale Pseudaulacaspis Pentagona (Targ. - Tozz.) (Homoptera: Diaspididae) in Bulgaria
S. Draganova
Received June, 10, 2003; accepted December, 18, 2003
Breeding Assessment of Monogerm Male-Sterile Sugar Beet Lines
G. Kikindonov
Received January, 4, 2004; accepted June, 10, 2004
Food Science and Technology
Optimization of Nutritive Medium with the Purpose of Rooting of Fodder Beet (Beta vulgaris L. var. crassa) through in vitro Method
Y. Slavova, D. Nenkova and I. Ivanova
Received May, 10, 2004; accepted July, 12, 2004
Investigation on Different Cigarette Papers and Its Influence on Tobacco Smoke Chemical Composition I. Investigation on Indexes of Different Cigarette Papers
N. Nikolov and S. Georgiev
Received May, 15, 2004; accepted July, 10, 2004
Soil Science, Agrochemistry and Ecology
Evaluation of Chicken Manure during the Composting Period
Received June, 15, 2004; Accepted July, 21, 2004
Veterinary Medicine
Study of the Influence of -1, 3, 4 Oxadiazine on the Growth, Morphology and the Macromolecular Synthesis of the Primary Cell Cultures
D. Ilieva, E. Iliev, A. Galabov, L. Vassileva, Y. Serkedjieva and G. Georgiev
Received June, 25, 2004; accepted July, 28, 2004
Animal Science
Comparative Study of Embryos in Mini and Normal Forms of Turkeys
M. Oblakova, M. Lalev and V. Todorova
Received March, 10, 2004; accepted July, 12, 2004
Prebiotic and Synbiotic Preparations in Calves' Feeding
Received April, 12, 2004; accepted July, 10, 2004
Thermoregulation in Kids I. Diurnal Dynamics of Rectal Temperature, Respiration Rate and Heart Rate in Bulgarian White Kids Kept in Sun or in Shade
I. Alexiev, D. Gudev, S. Ralcheva, P. Moneva and P. Zunev
Received January, 15, 2004; accepted May, 27, 2004
Agricultural Technics
Effects of Different Concave, Drum Speed and Feedinging Rate on Soybean Threshing
A. Sessiz, T. Koyuncu and Y. Pinar
Recieved June, 18, 2004; accepted July, 29, 2004
Short Communications
Performances of Dairy Heifers Weaned at 30, 45 and 60 Days of Age
F. Ugur, M. Mendes, M. Yanar and A. Pala
Received April, 18, 2004; accepted June, 12, 2004
Vegetative Propagation of Lavender (Lavandula vera V.) by Using Green Cuttings
Y. Slavova, E. Zayova and S. Krastev
Received December, 19, 2003; accepted March, 12, 2004
Number 5
Scientific Life
Tenth Anniversary of the Bulgarian Journal of Agricultural Science
Cryobiology
Non Equilibrium Thermodynamic and Fields Effects in the Cellular Cryobiology and Anhydrobiology
Ts. D. Tsvetkov and G. Petrov
Received July, 10, 2004; accepted September, 18, 2004
Plant Sciences
Assessment of Components of Genetic Variance of Some Quantitative Traits in Sunflower (Helianthus annuus L.)
R. Marinkovic, J. Joksimovic, D. Jovanovic and A. Marjanovic-Jeromela
Received September, 2, 2004; accepted September 28, 2004
Indirect Organogenesis and Somatic Embryogenesis of Sunflower (Helianthus annuus L.) Immature Embryos and Its Application for Crop Improvement
J. Encheva
Received June, 10, 2004; accepted September, 3, 2004
Heterosis of Economic and Technological Traits in Sugar Beet Hybrids Including Tolerance to Rhizomania
K. Uchkunova
Received January, 15, 2004; accepted May, 27, 2004
Study on Some Characteristics Determining the Development and the Secondary Growing - Up of Winter Forage Pea (Pisum sativa L.)
T. S. Kertikov and D. V. Kertikova
Received July, 4, 2004; accepted September, 23, 2004
Vegetative Manifestations of the Apple, Cultivated under Different Technologies
D. Domozetov
Received July, 10, 2004; accepted September, 9, 2004
Regeneration of Plants from Initial Calluses of Wood Betony (Stachys officinalis (L.) Trev.)
D. Zahariev and Y. Slavova
Received July, 10, 2004; accepted September, 9, 2004
Check of Amaranthus blitoides W. var. Reverchoni Th. - an element of the control of Cuscuta epithymum Murr in lucerne (Medicago sativa L.)
Ts. Dimitrova
Received April, 27, 2004; accepted September, 4, 2004
Food Science and Technology
Effect of Aeration, Agitation and Inoculum Age on Submerged Fermentation Process for the Production of Glucoamylase by Aspergillus awamori NRRL 3112
D. K. Daniel, D. Das and A. Krastanov
Received September, 1, 2004; accepted October, 2, 2004
Technological Evaluation of Introduced Virginia Type Tobacco Varieties
D. Drachev, N. Nikolov and V. Nikolova
Received June, 10, 2004; accepted September, 9, 2004
Soil Science, Agrochemistry and Ecology
Effect of High Doses of Arsenic in Soil on Phosphorus and Nitrogen Content in Bean and Tomato Plants
E. Miteva
Received June, 4, 2004; accepted September, 9, 2004
Values of the Economic Risk Depending on the Agrometeorologic Conditions in Growing Soft Winter Wheat (Triticum aestivum L.) on Calcareous Chernozem in Northwestern Bulgaria
M. Stamboliev, M. Angelova, E. Davidkov, D. Georgiev, I. Hristov, V. Angelova and P. Petrov
Received April, 10, 2004; Accepted September, 1, 2004
Possible Use of Dried Hotamins Lake Soils Mixed with Farm Yard Manure as a Growth Medium in Carnation Production
Fatih Er, Mevlut Mulayim and Nilgun Kivrak
Received June, 10, 2004; accepted September, 5, 2004
Animal Science
Thermoregulation in Kids II. Diurnal Dynamics of Rectal Temperature, Respiration Rate and Heart Rate in Toggenburg Kids Kept in Sun or in Shade
I. Alexiev, D. Gudev, S. Ralcheva, P. Moneva and P. Zunev
Received June, 2, 2004; accepted September, 8, 2004
Effect of Type of Floor on Productivity in Turkey Broilers
M. Oblakova, N. Bozakova, M. Lalev, I. Yotova and T. Stoyanchev
Received January, 10, 2004; accepted March, 12, 2004
Endocrine Changes in Two Behavioral Types of Cows, Exposed to Heat
D. Gudev, S. Ralcheva, P. Moneva and H. D. Johnson
Received June, 15, 2004; accepted September, 2, 2004
Influence of Probiotic "Lactina" on the Productivity of Layers
S. Grigorova, S. Surdjiiska, D. Stoyanov and M. Dimitrova
Received July, 10, 2004; accepted September, 24, 2004
Veterinary Medicine
Influence of Polyvitamine Patent Medicines on the Natural Resistance of Newborn Pigs
M. Bonovska, L. Angelov, D. Ilieva, E. Chaleva, Y. Encheva, A. Abass and E. Iliev
Received August, 10 2004; accepted September, 26, 2004
The Use of Physiological Indices in Attempt to Predict the Optimal Time for Artificial Insemination in Dairy Cattle
P. Hristov and St. Zlatarev
Received August, 18, 2004; accepted September, 12, 2004
Number 6
Plant Science
Stimulation Effects of Low Gamma Radiation Doses on the Ectoparasitoid Habrobracon hebetor Say. (Hymenoptera: Braconidae)
N. Balevski and N. Genchev
Radiobiological Studies on the Greater Wax Moth, Galleria mellonella L. (Lepidoptera: Pyralidae) I. Lethal Effects of Gamma Radiation on Eggs and Larvae
R. Y. Milcheva
Investigation on the Adult Population Fluctuations of Coroebus rubi (L.) (Coleoptera: Buprestidae) on Raspberry in Bursa Province in Turkey
M. Kaya and B. Kovanci
Wintering Oat Ressor 1 (Avena sativa L.) - a New Original Variety, Selected after Natural Cold Treatment
St. Tsvetkov, K. Tsvetkov, I. Vassilev and G. Mihova
Inheritance of Sugar and Soluble Ashes Content and Heterosis Effect in the Productivity of Triploid Sugar Beet Hybrids
G. Kikindonov
Study of some Factors Influencing the Variability of Seed Yield from Lucerne
D. V. Kertikova and T. S. Kertikov
Economics of Thyme Production Under Plastic Houses in Jordan
R. Al-Baqain and R. Nasr
Zero Energy Cool Chamber Ttechnique to Increase the Shelf life of Cassava (Manihot esculenta L.) Stem Stored for Propagation
V. Ravi and T. Ramanandham
Reproductive Manifestations of the Apple, Cultivated under Different Technologies
D. Domozetov, M. Borovinova, I. Ivanova, V. Tasseva, I. Sredkov, K. Doichev and I. Radomirska
Genetic Analysis for Qualitative and Quantitative Characters in Helianthus annuus L.
N. A. Farhatullah and I. H. Khalil
Intergeneric Hybrids between Cultivated Sunflower (Helianthus annuus L.) and Verbesins helianthoides (Genus Verbesina) - RAPD Analysis
J. Encheva, H. Kohler, M. Christov and W. Friedt
Efficient Use of Resources in Tomato Farming in the Jordan Valley
R. E. Nasr
Food Science
The Effect of P-Aminobenzoic Acid and Aromatic Amino Acids on The Levorin Biosynthesis by Streptomyces levoris 99/23
L. Kozhuharova and V. Gochev
Animal Science
Study on the Heterosis and Its Components in Hybrids between Monobivoltine and Polyvoltine Strains of Silkworm (Bombyx mori L.) with Reference to the Shell Weight Characteristic
Y. Nacheva, P. Tzenov and N. Petkov
Thermoregulation in Kids. III. Diurnal Dynamics of Rectal Temperature, Respiration Rate and Heart Rate in Anglo Nubian Kids, Exposed to Sun or Kept in Shade
I. Alexiev, D. Gudev, S. Ralcheva, P. Moneva and P. Zunev
Veterinary Medicine
A Study on Blood Serum Protein Profiles of Pekin, Muscovy and Mule Ducks
H. Hristov, V. Gerzilov and A. Teneva
Laser-Irradiation Caused Biochemical Changes of Cow Blood Serum
Y. Kostov and V. Alexandrova