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Bulgarian Journal of Agricultural Science®

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Archive Volume 10

Scientific Life

• Professor Dr. Sc. Konstantin Terytze - Doctor Honoris Causa of the National Center for Agrarian Sciences - Bulgaria

Prof. Dr. Sc. Ivan Atanassov

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• Warsaw Memorandum on the Status of Plant Molecular Biology Programmes and Perspectives in an Enlarged Europe

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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

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• 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

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• 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

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• Correlations Between Quantitative Characters in Garden Pea Depending on the Year of Cultivation

G. Pevicharova

Received October, 7, 2003; accepted January, 12, 2004

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• 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

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• From Precision Viticulture Standpoint Some Technological Progresses

Demir Kok, Elman Bahar, Ilknur Korkutal and Salih Celik

Received November, 17, 2003; accepted January, 12, 2004

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• 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

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• 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

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• 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

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• 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

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• 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

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• Complex Phytopathological Evaluation of Tomato Lines for Early Production

O. Georgieva and D. Ganeva

Received December, 7, 2003; accepted January, 12, 2004

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Food Science and Technology

• Kinetics of Moisture Adsorption of Chickpea Flour

A. Durakova

Received December, 12, 2004; accepted January, 10, 2004

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• 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

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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

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• Risk Evaluation of Drought Under Rainfed Maize in Bulgaria

I. Varlev

Received October, 24, 2003; accepted January, 12, 2004

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• 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

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Animal Science

• Milk Yield of Sheep from the Copper-Red Shumen Strain

G. Staikova

Received November, 10, 2003; accepted January, 12, 2004

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• 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

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• Study of Growth Potentials and Slaughter Analysis of BUT-9 Broiler Turkey Poults

M. Oblakova

Received October, 7, 2003; accepted January, 12, 2004

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• 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

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Short communications

• Bioelectric Field Essence and Transmission in Wild Animals

Y. Kostov

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Number 2
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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

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• 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

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• Investigation on Krumovgrad Origin Grown in Different Bulgarian Regions

D. Drachev

Received January, 20, 2004; accepted March, 21, 2004

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• 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

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• 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

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• Technological Characteristics of Newly Developed Mutant Common Winter Wheat Lines

M. Mangova and G. Rachovska

Received September, 26, 2003; accepted December, 10, 2003

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• 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

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• Identification of Grape Cultivars Via Microsatellite Markers

Demir Kok, Ilknur Korkutal, Elman Bahar and Salih Celik

Received February, 20, 2004; accepted March, 12, 2004

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• Correlative Dependencies Between the Density and Growth Parameters of Setaria viridis (L.) Beauv

R. Nakova

Received January, 12, 2004; accepted March, 12, 2004

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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

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Food Science and Technology

• Effect of Damaged Kernel on the End-us Quality of Durum Wheat

I. Petrova

Received November, 3, 2003; accepted January, 12, 2004

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• 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

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• 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

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• 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

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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

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• 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

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• 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

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• 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

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• 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

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• 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

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• 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

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• 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

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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

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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

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• Results from Interspecific Hybridization between Helianthus grosseserratus Martens and H. annuus L.

L. Nikolova

Received January, 10, 2004; accepted March, 12, 2004

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• Effect of Xanthium strumarium (L). Position on the Competition with Beans

R. Nakova

Received December, 10, 2003; accepted February, 11, 2004

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• 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

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• 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

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• 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

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• Identification of Races of Rose Powdery Mildew Pathogen Sphaerotheca pannosa var. rosae in Bulgaria

I. Radilova

Received March, 10, 2004; accepted May, 18, 2004

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• Polyploidization of Lavender (Lavandula vera V.) in vitro

Y. Slavova, E. Zayova and S. Krastev

Received December, 19, 2003; accepted March, 12, 2004

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Food Science and Technology

• Factors Affecting the Colour of Durum Wheat Products

I. Petrova

Received December, 10, 2003; accepted March, 12, 2004

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• Investigation on the Leaf Pigment Modification During the Curing Process of Flue - Cured Tobacco

V. Nikolova

Received February, 7, 2004; accepted April, 20, 2004

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• 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

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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

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• 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

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• Genetic Control and Genetic Diversity of Esterases in Poultry

M. Oblakova

Received February, 5, 2004; accepted March, 12, 2004

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• Studies on the Genetic Constitution of Black - and - White Dairy Cattles Raised in Tahirova State Farm

Yahya Tuncay Tuna

Received February., 5, 2004; accepted March, 12, 2004

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• 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

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• 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

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• 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

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• 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

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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

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• 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

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Number 4
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• 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

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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

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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

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• 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

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• 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

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• 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

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• 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

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• 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

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• Breeding Assessment of Monogerm Male-Sterile Sugar Beet Lines

G. Kikindonov

Received January, 4, 2004; accepted June, 10, 2004

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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

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• 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

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Soil Science, Agrochemistry and Ecology

• Evaluation of Chicken Manure during the Composting Period

Fulya Toruk and Poyraz Ülger

Received June, 15, 2004; Accepted July, 21, 2004

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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

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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

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• Prebiotic and Synbiotic Preparations in Calves' Feeding

Almantas Shimkus

Received April, 12, 2004; accepted July, 10, 2004

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• 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

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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

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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

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• 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

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Number 5
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Scientific Life

• Tenth Anniversary of the Bulgarian Journal of Agricultural Science

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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

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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

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• 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

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• Heterosis of Economic and Technological Traits in Sugar Beet Hybrids Including Tolerance to Rhizomania

K. Uchkunova

Received January, 15, 2004; accepted May, 27, 2004

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• 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

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• Vegetative Manifestations of the Apple, Cultivated under Different Technologies

D. Domozetov Received July, 10, 2004; accepted September, 9, 2004

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• 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

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• 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

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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

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• Technological Evaluation of Introduced Virginia Type Tobacco Varieties

D. Drachev, N. Nikolov and V. Nikolova

Received June, 10, 2004; accepted September, 9, 2004

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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

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• 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

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• 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

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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

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• 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

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• 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

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• 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

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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

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• 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

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Number 6
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Plant Science

• Stimulation Effects of Low Gamma Radiation Doses on the Ectoparasitoid Habrobracon hebetor Say. (Hymenoptera: Braconidae)

  N. Balevski and N. Genchev

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• 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

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• Investigation on the Adult Population Fluctuations of Coroebus rubi (L.) (Coleoptera: Buprestidae) on Raspberry in Bursa Province in Turkey

M. Kaya and B. Kovanci

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• 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

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• Inheritance of Sugar and Soluble Ashes Content and Heterosis Effect in the Productivity of Triploid Sugar Beet Hybrids

G. Kikindonov

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• Study of some Factors Influencing the Variability of Seed Yield from Lucerne

D. V. Kertikova and T. S. Kertikov

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• Economics of Thyme Production Under Plastic Houses in Jordan

R. Al-Baqain and R. Nasr

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• Zero Energy Cool Chamber Ttechnique to Increase the Shelf life of Cassava (Manihot esculenta L.) Stem Stored for Propagation

V. Ravi and T. Ramanandham

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• Reproductive Manifestations of the Apple, Cultivated under Different Technologies

D. Domozetov, M. Borovinova, I. Ivanova, V. Tasseva, I. Sredkov, K. Doichev and I. Radomirska

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• Genetic Analysis for Qualitative and Quantitative Characters in Helianthus annuus L.

N. A. Farhatullah and I. H. Khalil

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• Intergeneric Hybrids between Cultivated Sunflower (Helianthus annuus L.) and Verbesins helianthoides (Genus Verbesina) - RAPD Analysis

J. Encheva, H. Kohler, M. Christov and W. Friedt

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• Efficient Use of Resources in Tomato Farming in the Jordan Valley

R. E. Nasr

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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

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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

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• 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

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Veterinary Medicine

• A Study on Blood Serum Protein Profiles of Pekin, Muscovy and Mule Ducks

H. Hristov, V. Gerzilov and A. Teneva

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• Laser-Irradiation Caused Biochemical Changes of Cow Blood Serum

Y. Kostov and V. Alexandrova

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Author Index

Subject Index

Contents of Volume 10

 

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