Archive Volume 8

Number 1

Plant Sciences

Growth and Leaf Gas Exchange of in vitro Produced Grapevine Plants Grown in Different Substrates

S. Pandeliev, Z. Zlatev and M. Dimku

Received November, 21, 2001; accepted January, 10, 2002


Strain Characterisation of Plum Pox Virus Isolates by the Use of Monoclonal Antibodies

I. Kamenova, P. Iliev, A. Stoev, V. Bozhkova, D. Ivanova and N. Marinova

Received December, 6, 2001; accepted January, 6, 2002


Sources of Resistance to Causal Agents of Powdery Mildew on Cucumber

N. Velkov and M. Alexandrova

Received December, 10, 2001; accepted January, 10, 2002


PCR Procedure for Detection and Identification of European Stone-fruit Yellows (ESFY) Phytoplasma on Trees of Prunus Species

M. Topchiiska and D. Sakalieva

Received September, 18, 2001; accepted December, 10, 2001


Dry Matter Yield and Botanical Composition of Smooth Bromegrass Genotypes

V. Lingorski

Received October, 10, 2001; accepted December, 10, 2001


Regulation of the Processes Rooting and Vitrification of Sugar Beet in vitro through the Factors of Medium

Y. Slavova

Received December, 10, 2001; accepted January, 19, 2002


Comparison of Data from Spectrophotometer SPECORD UV VIS and Photocolorimeter CFC-2 in Analysis of the Extractable Pigment Substances in Ground Red Pepper

G. Pevicharova and H. Manuelyan

Received December, 21, 2001; accepted January, 10, 2002


Response of Winter Wheat to Seeding Rate with or without Ethrel Spray under Irrigation

M. A. Turk and A. M. Tawaha

Received January, 3, 2002; accepted February, 10, 2002


Discrimination between Beauveria bassiana Strains Isolated from Agriopis bajaria (Lepidoptera: Geometridae)

S. Draganova and I. Lecheva

Received December, 5, 2001; accepted January, 10, 2002


Agricultural Economics

Population Invariants, an Application to Relationships in between the Species of Acarofauna on Plum Untreated Orchards

S. Chipeva and J. T. Mexia

Received December, 21, 2001; accepted January, 10, 2002


Food Science

Influence of Lipid Peroxidation Development on the Quality of Salted Herring (Clupea harengus)

S. Dragoev

Received July, 21, 2001; accepted January, 29, 2002


Lipid Composition of Nigella sativa L. Seed Oil

M. Perifanova-Nemska, M. Zlatanov and F. Misiiski

Received December, 5, 2001; accepted January, 10, 2002


Glucoamylase Producing Recombinant Strains of Aspergillus niger Obtained by Intraspecific Protoplast Fusion

S. Gargova, G.Vancheva and I. Stoilova

Received December, 10, 2001; accepted January, 19, 2002


Ecology

Effect of Lead, Zinc and Cadmium on Blood Cells of Freshwater Fish

I. Velcheva and S. Baltova

Received December, 21, 2001; accepted January, 10, 2002


Animal Science

Effect of Different Somatic Cell Count on the Production, Composition and Some Properties of Sheep Milk

N. Petrova

Received October, 17, 2001; accepted January, 10, 2002


Investigation on Exterior and Gonad Development in One Summer Old Pike (Esox lucius L.)

T. Hubenova, A. Zaikov and J. Karanikolov

Received September, 18, 2001; accepted December, 10, 2001


Veterinary Medicine

Studies on the Therapeutic Effect of Cloxacillin in Dogs with Experimental Staphylococcal Infection

D. Dimitrova, I. Borissov, M. Andonova, D. Pashov, D. Dimitrov, P. Sotirova and M. Koleva

Received December, 10, 2001; accepted January, 19, 2002


Studies on the Serovar-specific Plasmids of Salmonella Isolated in Different Regions of Bulgaria

M. Stefanova, G. Vasilev, M. Vitkov, V. Zlatev and M. Stefanov

Received July, 21, 2001; accepted December, 10, 2001


Short communications

Method for Preparing of Reconstituted Collagen from Chicken Skin

K. Boschkova

Received December, 18, 2001; accepted January, 19, 2002


Determination of Pseudomonas aeruginosa in Bull and Boar Semen by Reaction Co-agglutination

M. Vitkov, G. Vasilev and M. Stefanova

Received July, 21, 2001; accepted December, 10, 2001


Guide for authors

Number 2-3

Metal Phytoextraction: State of the Art and Perspectives

A. Vassilev

Received January, 21, 2002; accepted March, 12, 2002


Ecological Assessment of Different Nitrogen Fertilizer Rates in a Vegetable Crop Rotation

D. Stoicheva, P. Alexandrova, D. Donov, D. Stoichev , G. Angelov and L. Raikova

Received January, 21, 2002; accepted March, 1, 2002


Response of Chloroplasts and Photosynthetic Mechanism of Bean Plants to Excess Arsenic in Soil

E. Miteva and M. Merakchiyska

Received May, 11, 2001; accepted February, 12, 2002


Effects of Different Sources and Fertilizer Rates on the Lettuce Yield and Quality under Controlled Conditions

I. Stancheva and I. Mitova

Received January, 21, 2002; accepted March, 1, 2002


Plant Sciences

Genotype Dependent Variation in Arbuscular Mycorrhizal Colonisation and Its Response on the Growth of Sweet Potato

V. S. Harikumar and V. P. Potty

Received January, 10, 2002; accepted March, 12, 2002


Independent and Combined Effect of Genotype and Some Agronomy Factors on Yield and Phomopsis helianthi Infection in Sunflower. I. Effect on Seed Yield

P. Yankov, T. K. Tonev and V. Encheva

Received January, 21, 2002; accepted March, 12, 2002


Irrigated Winter Barley Response to Seeding Rates and Weed Control Methods under Mediterranean Environments

M. A. Turk and A. M. Tawaha

Received January, 21, 2002; accepted March, 12, 2002


Inheritance of Resistance to White Mold Disease (Sclerotinia sclerotiorum (Lib.) de Bary) in the Breeding Line A 195 of Common Bean (Phaseolus vulgaris L.)

D. Genchev and I. Kiryakov

Received January, 21, 2002; accepted March, 12, 2002


Effect of Some Graminicides on Productivity of Spring Forage Pea

Ts. Dimitrova

Received December, 18, 2001; accepted February, 1, 2002


Influence of the Suspension Fertilizers Lactofol and Some Herbicides on Green Beans and Peas. II. Photosynthethic Activity and Plastid Pigments Contents

N. Stoeva and N. Shaban

Received January, 21, 2002; accepted March, 12, 2002


Detection of Squash Mosaic Virus, Zucchini Yellow Mosaic Virus and Cucumber Mosaic Virusin Cucurbit Seeds

B. Dikova and D. Hristova

Received January, 21, 2002; accepted March, 12, 2002


Possibility of Restricting the Cases of Vitrification in Sugar Beet Cultured in vitro

Y. Slavova

Received October, 16, 2001; accepted March, 12, 2002


Yield and Yield Components of Some Important Common Vetch (Vicia sativa L.) Genotypes

C. Tuna and A. Orak

Received January, 21, 2002; accepted March, 12, 2002


A Method for Evaluation of Sunflower Resistance to Diaporthe/Phomopsis helianthi Munt. Cvet. et al.

V. Encheva and I. Kiryakov

Received January, 21, 2002; accepted March, 12, 2002


Effectiveness and Selectivity of Some Herbicides on Tomatoes from In-house Propagation

K. Toskov and M. Dimitrova

Received January, 21, 2002; accepted March, 12, 2002


Study about Dry Matter Productivity and Weed Infestation of Tall Fescue Genotypes

V. Lingorski

Received January, 21, 2002; accepted March, 12, 2002


Reliability of Well-being Indicators in Broilers ISSAS

Popova-Ralcheva, V. Hadjiliev, D. Gudev, A. Alexandrov and V. Sredkova

Received January, 21, 2002; accepted March, 12, 2002


Food Science

Effects of Aging Time of Frozen Kashkaval on the Amount of Crystallized Water

Zh. Simov and G. Ivanov

Received January, 10, 2002; accepted March, 12, 2002


Effect of Bug Damage on Cooking Potential of Bulgarian Durum Wheat Cultivars Depending on Their Gluten Strength

I. Petrova

Received January, 21, 2002; accepted March, 12, 2002


Animal Science

Survival and Growth of Salmo Salar Sebago (Salmonidae, Teleostei) Eggs and Larvae Introduced in Fish Farm "Nishava", Bulgaria

K. Yorov, E. Uzunova and B. Velkov

Received January, 21, 2002; accepted March, 1, 2002


Genetic Srtucture of Breed Group of Black and White Cows for Some Genetic Biochemical Systems

N. Chemshirova and A. Teneva

Received January, 21, 2002; accepted March, 12, 2002


Influence of the Different Ratio of Calcium and Phosphorus in the Compound Feeds on the Productivity of Growing and Finishing Pigs

R. Nedeva

Received October, 21, 2001; accepted March, 12, 2002


Biological Effectiveness of the Meat Performance in Buffalo and Cattle Bullocks

K. Dimov and M. Tzankova

Received January, 26, 2002; accepted March, 12, 2002


Effect of Raspberry Essence Supplementation in the Compound Feeds on the Productivity of Growing Pigs

P. Petrov

Received January, 21, 2002; accepted March, 12, 2002


Investigation on Microflora of Buffalo Milk

S. Boycheva, T. Dimitrov, M. Tsankova and T. Iliev

Received January, 21, 2001; accepted March, 12, 2001


Effect of Diet Protein Level on Some Productive Parameters of Karakachan Sheep Breed

Tz. Odjakova

Received November, 19, 2001; accepted February, 12, 2002


Composition and Properties of the Milk in Sheep from Newly Created Dairy Breed in Bulgaria

S. Boikovski, N. Stancheva, G. Stefanova and D. Dimitrov

Received December, 21, 2001; accepted January, 12, 2002


Production, Composition and Some Properties of Sheep Milk from East Friesian x 1/4 East Friesian x Awassi Dairy Population

N. Petrova and D. Nedelchev

Received January, 21, 2002; accepted March, 1, 2002


Characteristics of Fecundity of Narrow-clawed Crayfish (Astacus leptodactylus Esch.) Population in Kardjali Reservoir with a View to Their Economic Exploitation

T. Hubenova, P. Vasileva and A. Zaikov

Received October, 21, 2001; accepted March, 1, 2002


Polar Lipids in the Muscle Tissue of Large White and Eastern Balkan Swine Breeds I. Glycolytic Type Muscle

G. Dimitrov, V. Tsvetkova and I. Zlatanov

Received January, 21, 2002; accepted March, 12 , 2002


Updated Index for Estimation of the Breeding Value of Pigs from the Duroc Breed

A. Apostolov, St. Slanev and I. Sabeva

Received December, 21, 2001; accepted March, 1, 2002


Veterinary Medicine

Possibilities for Improving Sperm Quality of Young Bulls under Cryopreservation by Se Supplement

C. Vaisberg, M. Boychef and K. Miteva

Received January, 21, 2002; accepted March, 12, 2002


Study on Pathomorphology of Vitamin E and Selenium Deficiency in Growing Piglets

L. Belchev, A. Angelov and Hr. Hristev

Received April, 6, 2001; accepted February, 12, 2002


Guide for authors

Number 4

Anniversary celebration at the Konstantin Malkov Institute of Plant Genetic Resources Sadovo, Bulgaria


The Director of IPGR. Memorandum Speech to the Participants in the Celebration of Konstantin Malkov IPGR Anniversary and 120th Anniversary of Agrarian Science in Sadovo May 21–22, 2002

Prof. Rada Koeva


Plant Sciences

One More Evidence about Homoeology between the First and the Fourth Groups of Chromosomes of the Wheat (T. aestivum L.) and Aegilops umbellulata Zhuk

Ts. Stoilova

Received March, 20, 2002; accepted May, 21, 2002


Effect of Stolbur Disease on the Physical Characteristics of Indeterminate and Determinate Tomato Fruits

D. Sakalieva, G. Pevicharova, N. Skandalis and D. Ganeva

Received June, 3, 2002; accepted July, 21, 2002


Variation in the Aggressiveness of Isolates from Phomopsis/Diaporthe helianthi Munt.-Cvet. et al. on Sunflower

V. Entcheva

Received March, 20, 2002; accepted July, 21, 2002


Vegetation Manifestations of Pepper Seedlings, Grown on Different Mixtures

K. Toskov, V. Kanazirska and I. Dimov

Received May, 20, 2002; accepted July, 21, 2002


Effect of Cucumber Mosaic Virus on Tomato Growth and Development.
I. Greenhouse Pot Trial

D. Hristova and S. Maneva

Received March, 20, 2002; accepted May, 21, 2002


Research on Introduced Birdsfoot Trefoil (Lotus corniculatus L.) Lines in View of Their Utilization for Seed Production

B. Chourkova

Received March, 20, 2002; accepted May, 21, 2002


Caloricity and Energetic Reserves of the Phytomass of Two Grass Associations with the Domination of Festuca valesiaca in the Region of Liulin Mountine

N. Georgiev and M. Ishhanian

Received March, 20, 2002; accepted May, 21, 2002


Yields and Botanical Composition of Smooth Bromegrass (Bromus inermis Leyss.) After Leaf Fertilization

V. Lingorski

Received October, 10, 2001; accepted May, 21, 2002


Fungicidal activity of Natural Plant Products Towards Scab and Powdery Mildew from Apple

S. Nikolov, A. Stancheva and A. Nikolov

Received March, 20, 2002; accepted May, 21, 2002


Dependence of Cotton Productivity from Agrometeorological Factors

A. Stoilova and G. Nikolov

Received March, 20, 2002; accepted May, 21, 2002


Animal Science

Polar Lipids in Muscle Tissue of Large White and Eastern Balkan Swine Breeds.
II. Oxydative Type Muscle

V. Tsvetkova and G. Dimitrov

Received February, 5, 2002; accepted May, 21, 2002


Progeny Testing of Arabian Stallions Regarding the Estimations from the Complex Assessment

I. Sabeva and A. Apostolov

Received March, 20, 2002; accepted May, 21, 2002


Slaughter Indices of Pigs from the Synthetic Sire Line, Danube White Breed and Hybrid Pigs Obtained with their Participation

B. Benkov, L.Germanova, S. Nikolov and T. Kunev

Received March, 20, 2002; accepted May, 21, 2002


Prediction of Genetic Improvement in Purebred Pig Populations – Large White and Landrace of English Origin

S. Slanev and A. Apostolov

Received June, 20, 2002; accepted July, 21, 2002


Effect of Some Genetic and Nongenetic Factors on Productive and Reproductive Traits in Bulgarian Murrah Buffalo Cows

P. Penchev

Received March, 20, 2002; accepted May, 21, 2002


Estimation Models and Prediction of Economic Weights of Selection Indices in Pigs

A. Apostolov and S. Slanev

Received March, 20, 2002; accepted May, 21, 2002


Optimal Live Weight and Productivity of Sheep from the Newly Created Milk Sheep Breed

N. Stancheva

Received July, 15, 2002; accepted August, 1, 2002


Effect of the Additives Odor Less An and Ergosan Des in Compound Feeds for Weaned Piglets

P. Petrov

Received November, 21, 2001; accepted May, 21, 2002


Effects of Acetylsalicylic Acid on Adrenal Response in Lambs Exposed to Transport and New Environment

D. Gudev, S. Popova-Ralcheva, I. Yanchev, L. Kozelov and P. Moneva

Received March, 20, 2002; accepted May, 21, 2002


Veterinary Medicine

Malondialdehyde (MDA) in Trout Tissues (Oncorhynchus mykiss, Walbaum) in Case of Feeding with High Oxidized Lipid Diets

H. Daskalov and T. M. Georgieva

Received May, 20, 2002; accepted July, 21, 2002


Effect of Antidote Therapy on Glutathione, Malonic Aldehyde and Phospholipids in Liver of Lead Intoxicated Rats

A. Angelov, Hr. Hristev, L. Belchev and M. Chichovska

Received March, 20, 2002; accepted May, 21, 2002


Agricultural Economics

Bulgarian Agriculture and the Concept of Sustainable Development

V. Hadjieva

Received March, 20, 2002; accepted May, 21, 2002


Short communications

Cytogenetic Investigation on Newborn Rabbits with Congenital Malformation

I. Dimitrova and S. Foteva

Received March, 20, 2002; accepted May, 21, 2002

Number 5-6

Official Celebration of the 75th Anniversary of Academician Tseno Hinkovski

Plant Sciences

Increasing Carrot Seeds (Daucus carota L.), cv. Nantes, Viability through Ultrasound Treatment

A. Aladjadjiyan

Received August, 18, 2002; accepted October, 10, 2002


Evaluation of Selection Effectiveness for Productivity in Mutant Populations of Common Bread Wheat

G. Rachovska and D. Dimova

Received January, 20, 2002; accepted June, 21, 2002


Estimating Genotypic Ranks by Nonparametric Stability Analysis in Bread Wheat (Triticum aestivum L.)

Y. Kaya and S. Taner

Received September, 20, 2002; accepted October, 21, 2002


Genotype Environment Interaction and Phenotypic Stability of Economic Traits in Cotton Lines

A. Stoilova and D. Dechev

Received June, 14, 2002; accepted October, 12, 2002


Triticale Mexitol 1 (2n = 6x = 42) – a Joint Breeding Product of CIMMYT – Mexico and Dobroudja Agricultural Institute – Bulgaria

St. M. Tsvetkov

Received August, 20, 2002; accepted October, 21, 2002


Physiological Response of Lily (Lilium sp.) Plants to Stress

E. T. Iakimova, V. M. Kapchina-Toteva, S. M. Bistrichanov, S. T. Denkova and I. I. Ivanova

Received July, 20, 2002; accepted September, 21, 2002


Influence of Cucumber Mosaic Virus on Tomato Growth and Fruiting.
II. Field Experiment

D. Hristova and S. Maneva

Received March, 20, 2002; accepted May, 21, 2002


Assessment of Dihaploid Sugar Beet Lines for Resistance to Powdery Mildew and Cercosporose

G. Kikindinov

Received March, 20, 2002; accepted May, 21, 2002


Diagnostics of Squash Mosaic Virus, Zucchini Yellow Mosaic Virus and Cucumber Mosaic Virus in Squash Seeds

B. Dikova and D. Hristova

Received January, 8, 2002; accepted June, 21, 2002


Changes in Potential Yield Parameters of the Grapevine Cultivars Bolgar and Mavroud over the Growing Season

D. Braikov and V. Roichev

Received June, 27, 2002; accepted September, 21, 2002


Study of Some Temperate Grasses and Grass-Legume Mixture for Grazing Production

V. Lingorski

Received October, 10, 2001; accepted July, 12, 2002


Soil Science, Agrochemistry and Ecology

Estimation of Quantitative Rates for Organo-mineral Liming Heavy Metal Polluted Acid Soils

T. Raychev, A. Arsova and M. Benkova

Received September, 9, 2002; accepted October, 12, 2002


The Effect of the Type and Doses of Nitrogenous Fertilizers Applied into Soils on Ammonia Volatilization

F. Er, H. Polat and F. Bayrakli

Received September, 20, 2002; accepted October, 21, 2002


Energetical Efficiency of Durum Wheat Fertilization

S. Kostadinova and G. Panayotova

Received August, 20, 2002; accepted September, 21, 2002


Application of Simplified Model for Determination of Critical Nitrogen Loads for Ground Water Protection

V. Koleva, D. Stoicheva and D. Stoichev

Received August, 10, 2002; accepted October, 12, 2002


Comparative Research of the Successive Extraction Schemes for the Forms of Pb, Zn, Cu and Cd in Industrially Polluted Region

V. Angelova, G. Bekjarov and K. Ivanov

Received June, 24, 2002; accepted September, 21, 2002


Food Science

Thermodynamic Characteristics of Some Legume Seeds

N. D. Menkov

Received September, 9, 2002; accepted November, 12, 2002


Removing of Infecting Microorganisms during Wine Production through Membrane Filtration

Hr. Spassov and K. Dinkov

Received July, 20, 2002; accepted September, 21, 2002


Quality Changes of Whiting (Gadus euxinus), Gray mullet (Mugil cephalus), Anchovy (Engraulis encrasicholus) Fish Species Under Iced Storage

H. H. Orak and S. Kayisoglu

Received August, 20, 2002; accepted October, 21, 2002


Animal Science

Development Trends of Pig-breeding in Bulgaria during the Preaccession Period (2002–2006)

A. Stoikov

Received June, 30, 2002; accepted October, 12, 2002


Study on Improved Technology for Silkworm Bombyx mori L. Rearing in Egypt.
I. Industrial Cocoon Production

H. Greiss, N. Petkov, K. Boichev and Z. Petkov

Received August, 10, 2002; accepted September, 24, 2002


About New Methods for Mulberry Vegetative Resources Investigation.
II. Mulberry Morphological Descriptor

Z. Petkov

Received August, 18, 2002; accepted September, 28, 2002


Composition and Nutritive Value for Pigs of Three Maize Hybrides Introduced in Bulgaria

D. Pavlov, V. Katzarov, J. Staikov and P. Holden

Received July, 5, 2002; accepted October, 12, 2002


Feeding of Pike (Esox lucius L.) Reared up to a Strong Stage in Earthen Pond

G. Grozev, T. Hubenova, A. Zaikov and J. Karanikolov

Received July, 2, 2002; accepted September, 10, 2002


Growth and First Maturation of Salmo salar m. sebago Introduced in Fish Farm "Nishava"

E. Uzunova, K. Yorov and B. Velkov

Received June, 28, 2002; accepted September, 21, 2002


Ethological and Physiological Indices for Well-being in Broilers under Different Systems of Management

S. Popova-Ralcheva, V. Hadjiiliev, D. Gudev, A. Alexandrov and V. Sredkova

Received March, 20, 2002; accepted May, 21, 2002


Testing of Different Fe-Compounds in Sows and Their Offspring

P. Petrov

Received March, 20, 2002; accepted May, 21, 2002


Fattening Abilities of Lambs from the Newly Created Milk Sheep Breed in Bulgaria

S. Boikovski, N. Stancheva, G. Stefanova and D. Dimitrov

Received July, 20, 2002; accepted September, 21, 2002


Selection Indices for Estimation by Own Productivity of Young Horses from the Arabian Breed

I. Sabeva and A. Apostolov

Received April, 20, 2002; accepted September, 21, 2002


Prediction of Lean Meat Percentage of Pig Carcass by Morphological Analysis of Different Parts

Zh. Nakev and A. Apostolov

Received July, 22, 2002; accepted September, 21, 2002


Author Index


Subject Index


Contents of the Volume 8