THIRD SYMPOSIUM ON THE BREEDING OF ORGANISMS OF THE SOCIETY Zlatibor (Serbia), May 16 20, 2006.

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1 THIRD SYMPOSIUM ON THE BREEDING OF ORGANISMS OF THE SOCIETY Zlatibor (Serbia), May 16 20, Chairmanship Janoš Berenji Radosav Cerović Goran Drinić Vasilije Isajev Kosana Konstantinov Milan Krajinović Miroslav Malešević Goran Saratlić Branka Vasiljević Scientific Committee Janoš Berenji Srbislav Denčić Goran Drinić president Vasilije Isajev Kosana Konstantinov Lazar Kovačev Živoslav Marković Mirjana Milošević Branislav Miščević Evica Mratinić Ljubiša Topisirović Organizing Committee Janoš Berenji president Desimir Knežević Snežana Mladenović Drinić Saša Orlović Vera Rakonjac Ivana strahinjić Sekretarijat/Secretariat Zdravko Hojka Ivana Lehocki Marija Živanović Plant Breeding Program Goran Drinić and Goran Stanković: Breeding of maize results and perspectives Janoš Berenji and Jeff Dahlberg: Celebrating 50 years of sorghum hybrids Lazar Kovačev, Nikola Čačić, Snežana Mezei and Nevena Nagl: Sugar beet breeding - results and perspectives

2 Dejan Jovanović: Sunflower breednig for special purposes Mirjana Vasić, Jelica Gvozdanović-Varga, Janko Červenski, Milan Zdravković, Dejan Cvikić, Nenad Pavlović, Đorđe Moravčević and Zoran Ilić: Current work on genetic resources of vegetables in Serbia Milisav Mitrović, Dobrivoje Ogašanović, Žarko Tešović, Radunka Plazinić, Slađana Marić, Milan Lukić, Sanja Radičević, Vladan Milinković and Aleksandar Leposavić: Results of fruit breeding at The Fruit and Grape Research Centre, Čačak Zoran Lugić, Jasmina Radović, Dejan Sokolović and T. Vasić: Results and directions in improvement of perennial legumes and grasses in center for forage crops Slaven Prodanović, Gordana Šurlan-Momirović, Violeta Ranđelović, Marija Sovrlić, Nenad Đurić and Dušan Stanisavljević: Description of European contemporary wheat cultivars according to UPOV Nikola Hristov, Novica Mladenov, Borislav Kobiljski and Ankica Kondić-Špika: Wheat cultivar resistance to low temperature Jelena Bošković, Momčilo Bošković and Željana Prijić: Strategy of acumulations genes for durable resistance to wheat leaf rust pathogen Miodrag Dimitrijević, Sofija Petrović, Milivoj Belić, Vladimir Hadžić and Marija Kraljević- Balalić: Models for gentype by environment interaction estimation on halomorphic soil Veselinka Zečević, Desimir Knežević, Danica Mićanović and Dušan Urošević: Variability of technological quality components in winter wheat Slavko Radanović: Combination abilities and reciprocal crossing of inbred lines for yield and other quantity traits of maze Nada Hladni, Dragan Škorić and Marija Kraljević-Balalić: Line X tester analysis of morphological traits and their correlation with yield and oil content in sunflower (Helianthus annuus L.) Vladan Plazinić, Srđan Anđelović, Radovan Sabovljević and Milorad Rošulj: The effect of ecological conditions on high of first fertiliser node at three cultivar of soy-bean Slobodan Katić, Vojislav Mihailović, Dragan Milić, Đura Karagić and Sanja Vasiljević: Alfalfa breeding for increased dry matter yield in different cutting intensities Sanja Prodanović, Slaven Prodanović and Fritz Matzk: Reconstruction of reproductive pathways in Poa pratensis L. Anđelko Mišković, Žarko Ilin, Mihal Đurovka and Vladan Marković: Effect of different roothstock type on quality and yield of tomato fruits

3 Valentina Petkova, Vesselina Nikolova, Nasya Tomlekova, Galina Antonova and Ilia Denev: Chemical mutagenesis in head cabbage (Brassica oleracea var capitata L.) ІІ. Effect of ethyl methane sulphonate on photosyntetic apparatus efficiency Danail Jankulovski, Gјorgji Martinovski, Rukie Agič and Zvezda Bogevska: Evaluation of the existing onion (Allium cepa L.) germplasm in the republic of macedonia Janko Červenski, Đuro Gvozdenović, Jelica Gvozdanović-Varga,Zorica Nikolićandi Ferenc Balaž: Survey of cabbage experimental hybrids (Brassica oleracea var. capitata L.) Radosav Jevđović, Radovan Sabovljević, Marija Davidović and Đorđe Goranović: Correlation between morphologic productive characteristics of five type medicinal plants Milutin Penčić: Plant genetic resources evaluation Alexander Kilčevski and Vladan Pešić: Ecological plant breeding Vladan Pešić, Alexander Kilčevski and Aleksandar Radojčić: Ecological plant breeding from another aspect of new needs and trends Dragan Nikolić and Dragan Milatović: Examining self-compatibility in plum (Prunus domestica L.) cultivars by fluorescence microscopy Gorica Paunović: Selection of vegetative rootstocks for plum Mihajlo Nikolić and Milisav Mitrović: Biological-pomological properties of hybrids of early ripening pear Evica Mratinić: Clonal selection of Budimka, an authochthonal apple sort Klime Beleski, Zvonimir Božinović, Violeta Dimovska and Krum Boškov: Stanusina Macedonian autochtonous cultivar and their varieties Ivana Radojević, Snežana Stanković, Мiloš Ristić, Ivana Mošić and Vesna Ranković: Yield and quality of grape and wine from Cabernet sauvignon in agroecological conditions of Kutina vineyard area Vasilije Isajev: Beech (Fagus moesiaca /Domin, Maly/ Czeczott.) variability and breeding in Serbia Mihailo Tošić and Biljana Nikolić: Morpho-physiological characters of white-bark pine (Pinus heldreichii Christ) seeds and seedlings in southeast Serbia Marija Kraljević-Balalić, Biljana Gorjanović, Lazar Panković, Sanja Kereši, Mirjana Vukosavljev and Nataša Vuković: Effect of nitrogen rate on nitrate concentration in vegetative parts of wheat Biljana Gorjanović and Marija Kraljević-Balalić: Correlations among yield components in durum wheat

4 Slaviša Stojković, Nebojša Deletić and Vladan Đurić: Plant nitrogen concentration as a grain yield indicator of winter wheat cultivars Sofija Petrović, Miodrag Dimitrijević, Milivoj Belić, Vladimir Hadžić and Marija Kraljević- Balalić: The effect of melioration of halomorphic soil on spike traits in wheat Sofija Petrović, Miodrag Dimitrijević, Milivoj Belić, Marija Kraljević-Balalić and Vladimir Hadžić: Phenotypic variability of yield components in wheat grown on diferent soil types Miodrag Dimitrijević, Sofija Petrović, Milivoj Belić, Vladimir Hadžić and Marija Kraljević- Balalić: Phenotypic variation of spike parameters in wheat grown on ameliorated soil Danica Mićanović, Veselinka Zečević, Dušan Urošević and Desimir Knežević: Nitrogen content in the seedlings of the wheat as parameter for selection on nitrogen fixation Veselinka Đurić, Miroslav Malešević and Lazar Panković: The influence of cultivar, year and nitrogen suplly on quality parameters of bread wheat (Triticum aestivum. L.) Zoran Kapor, Nemanja Beljanski, Sofija Petrović and Miodrag Dimitrijević: Plant height and harvest index variability regarding different wheat genotypes cultivated on chernozem and solonetz Milka Brdar, Borislav Kobiljski and Marija Kraljević Balalić: Grain filling parameters and yield components in wheat Desimir Knežević, Nevena Djukić, Veselinka Zečević, Danica Mićanović, Gordana Šurlan- Momirović, Dušan Urošević, Gordana Branković and Srdjan Jordačijević: Genetic analysis of plant height and grain mass per spike in wheat (Triticum aestivum) Dragana Obreht, Srbislav Denčić, Borislav Kobiljski, Mihajla Đan and Ljiljana Vapa: Evaluation of baking quality in wheat using microsatellites Dejan Dodig, Saša Stanković, Slađana Milićević-Nikodijević and Miroslava Jović: Newly registered small grains cultivars from Zajecar Nevena Đukić, Desimir Knežević and Veselinka Zečević: Genetic determination of technological quality of Triticum durum Jadranka Luković and Marija Kraljević-Balalić: An analysis of spike morphological characteristics of different ploidity levels of wheat Jadranka Luković, Lana Krstić, Biljana Kiprovski and Miroslava Kodranov: An influence of ploidity levels on the structural caracteristics of wheat rachis Ankica Kondić-Špika, Nikola Hristov and Borislav Kobiljski: In vitro screening for low temperature tolerance of wheat genotypes Milomirka Madić, Desimir Knežević and Aleksandar Paunović: Variability and inheritance of the tillering in barley hybrids

5 Aleksandar S. Paunović, Milomirka Madić and Desimir Knežević: Genotype variations in grain yield of spring barley depending on sowing density Dušan Urošević, Danica Mićanović, Veselinka Zečević and Desimir Knežević: Properties of new winter two row barley cultivar ʺ gromʺ Kamishev Konstantin: Dani new Bulgarian rice variety Jelena Srdić and Zorica Pajić: Inheritance and corelation of the traits in maize inbred lines Vojka Babić, Milosav Babić, Mile Ivanović and Marija Kraljević-Balalić: Specific interactions in maize yield trials Milosav Babić, Vojka Babić, Nenad Delić, Goran Stanković and Goran Drinić: Interaction in multi-environment trials Mile Sečanski and Tomislav Živanović: Combining abilities of earl length of silage maize Nebojša Deletić, Slaviša Stojković and Vladan Đurić: The effect of yield components to grain yield in different maize recurrent selection cycles A. Radojčić, Goran Drinić and Snežana Drinić Mladenović: Combining ability for grain yield among six maize inbred lines Jelena Vančetović, Snežana Mladenović Drinić, Dragana Ignjatović-Micić and Dušan Stanisavljević: White dent population Beli rani brzak from the Yugoslav variety collection carries the Ga gene Milomir Filipović, Snežana Mladenović Drinić and Milena Simić: Performance of medium early maturity maize hybrids of different kernel types under various growing conditions Zorica Pajić, Jelena Srdić and Milomir Filipović: The relation between yielding and the popping volume of the popping maize hybrids (Zea mays L. everta) Milorad Perčić, Jadranka Luković and Ivana Maksimović: Structural response of sugar beet leaf tissues to short-term water deficiency Nikola Čačić, Snežana Mezei, Lazar Kovačev, Nevena Nagl and Milorad Rajić: Application of in vitro techniques in maintaining father component of triploid hybrid sugar beet variety Živko Ćurčić and Lazar Kovačev: Combining ability for root yield and sugar content of sugar beet Nastasija Mrkovački, Snežana Mezei, Nikola Čačić and Lazar Kovačev: How to increase sugarbeet yielding potential using NS-Betafixin Snežana Mezei, Lazar Kovačev, Nikola Čačić, Nevena Nagl and Željka Stojaković: Maintaining the pollinator of variety Lara by recurrent selection

6 Jovanka Atlagić, Ana Marjanović-Jeromela and Radovan Marinković: Cytogenetic studies of cytoplasmatic male sterility in rapeseed Sanja Kereši, Marija Kraljević-Balalić, Đorđe Malenčić and Jegor Miladinović: Genetic divergence of soybean (Glycine max L.) genotypes in phenols content Vesna Perić, Iva Erić, Snežana Drinić-Mladenović and Mirjana Srebrić: Genetic diversity of soybean parental lines and seed yield of their progeny Radovan Sabovljević, Vladan Plazinić, Srđan Anđelović and Milorad Rošulj: The effect of ecological condition on correlation of morphologic-productive characteristic of three cultivars of soy-bean Galina Antonova, Vesselina Nikolova, Valentina Petkova and Nasya Tomlekova: Chemical mutagenesis in head cabbage Brassica oleracea var capitata L. І. Survival and variability of properties from morphological characteristic of M 1 generation Vesselina Nikolova, Antonova Galina, Nasya Tomlekova and Valentina Petkova: Chemical mutagenesis in head cabbage Brassica oleracea var capitata L. ІІІ. Effect of ethyl methane sulphonate on mycosporogenesis and pollen fertility Nasya Tomlekova, Vesselina Nikolova, Valentina Petkova and Galina Antonova: Chemical mutagenesis in head cabbage (Brassica oleracea var capitata L. IV. DNA Polymorphism Radovan Marinković, Dragan Škorić and Ana Marjanović-Jeromela: Nena winter oilseed rape variety Ana Marjanović-Jeromela, Radovan Marinković and Dragana Miladinović: Combining abilities of rapeseed (Brassica napus L.) lines Igor Balalić, Nenad Dušanić and Jovan Crnobarac: Grain and oil yields of sunflower depending on planting date Jovanka Atlagić and Sreten Terzić: Cytogenetic study of hexaploid species Helianthus tuberosus and its F 1 and BC 1 F 1 hybrids with cultivated sunflower, H. annuus Sreten Terzić, Jovanka Atlagić and Dejana Panković: Characterization of F 1 interspecific hybrids between wild Helianthus annuus L. populations and cultivated sunflower Radovan Marinković, Dejan Jovanović and Ana Marjanović Jeromela: Genetics of head diameter and 1000-seed weight: heritability, number of affecting factors and correlations Emiliya Nacheva: Evaluation of the productivity components in potato breeding materials Dejan Cvikić, Bogoljub Zečević, Nenad Pavlović and Slaven Prodanović: Implementation of mutants (nor and rin genes) for tomato (Licopersicon esculentum Mill.) breeding Velichka Todorova and Galina Pevicharova: Rubin - new pepper variety for grinding Todor Tudžarov: Market value of new experimental hybrids of peppers

7 Nenad Pavlović, Dejan Cvikić, Milan Zdravković, Radiša Đorđević and Slaven Prodanović: Variability and heritability coefficient of average dry matter content in onion (Allium cepa L.) bulb Radiša Đorđević, Bogoljub Zečević, Jelena Damnjanović, Nenad Pavlović and Milan Zdravković: The effect of afila gene on first pod height of pea Pisum sativum L. Jelica Gvozdanović-Varga, Mirjana Vasić and Janko Červenski: Combinining ability for fruit weight in watermelon Dejan Sokolović, Jasmina Radović, Zoran Lugić, Zorica Tomić and Snežana Babić: Seed yield components of perennial ryegrass (Lolium perenne L.) populations Jasmina Radović, Zoran Lugić, Goran Jevtić and Ratibor Štrbanović: Genetic variability for component of seed production of alfalfa (Medicago sativa L.) Olivera Ilić and Dragan Đukić: Corellations between yield components of alfalfa Sanja Vasiljević, Aleksandar Mikić, Vojislav Mihailović, Slobodan Katić, Zoran Lugić, Gordana Šurlan-Momirović, Tomislav Živanović, Dragan Milić and Imre Pataki: Characteristics of domestic cultivars of red clover (Trifolium pratense L.) according to upov protocol Vojislav Mihailović, Aleksandar Mikić, Slobodan Katić, Đura Karagić, Pero Erić and Branko Ćupina: Effect of morphological characteristics on yield of grain in feed pea (Pisum sativum L.) Vladanka Mikić, Jasmina Radović, Zoran Lugić and Dragi Lazarević: Correlations between the components of green forage in lucerne (Medicago sativa L.) depending on year of life Slavica Čolić, Gordan Zec, Dejan Marinković and Snežana Đurović: Morphological and pomological traits variability of almond genotypes from slankamen hill population Milisav Mitrović, Rade Miletić, Milan Rakićević, Miladin Blagojević and Ivana Glisić: Biological and pomological properties of some natural population walnut selections Milisav Mitrović, Rade Miletić, Milan Rakićević, Miladin Blagojević and Žaklina Karaklajić- Stajić: The study of populations of wild and turkish hazelnut and their clonal selection Milica Fotirić, Dragan Nikolić and Vera Rakonjac: Variability components and heritability of pomological and chemical characteristics in sour cherry clones of cultivar Montmorency Gordan Zec, Slavica Čolić, Dejan Marinković and Zoran Janković: Parent genotype influence to leaf curl Taphrina deformans (Berk.) Tul. susceptibility of hybrid vineyard peach seedlings Biljana Markovska, Zvonimir Božinović, Srebra Ilić-Popova and Violeta Dimovska: Investigation of pollen germination, meiosis and degree of fecundation at some cultivars of grapevine

8 Nataša Nikolić, Andrej Pilipović, Slobodanka Pajević, Borivoj Krstić and Saša Orlović: Lead effect upon nitrogen metabolism and biomass production of poplar clones (Populus sp.) Slobodanka Pajević, Nataša Nikolić, Andrej Pilipović, Borivoj Krstić and Saša Orlović: The photosynthetic characteristics of poplar clones (Populus sp.) as related to lead contamination Saša Orlović, Slobodanka Pajević, Bojana Klašnja, Zoran Galić and Andrej Pilipović: Variability of physiological and growth characteristics of white willow (salix alba l.) clones Radmila Knežević and Mirjana Šijačić-Nikolić: Phenotype individual selection of the European plane at the sites of Belgrade Mirjana Šijačić-Nikolić, Jelena Milovanović, Vladan Ivetić and Radmila Knežević: Comparative beech different provenances development analysis in the juvenile phase Saša Orlović, Andrej Pilipović, Zoran Galić, Petar Ivanišević and Nenad Radosavljević: Results of poplar clone testing in field experiments Mihailo Tošić: New ornamental cultivar of yellow-leaf beech (Fagus silvatica L. 'Luteofolia') Mihailo Tošić and Biljana Nikolić: Morpho-physiological characters of pollen of pyramidal fir (Abies аlba MILL. var. elegantissima TOŠIĆ) Mihailo Tošić: New ornamental cultivar of Scots pine (Pinus silvestris L. 'Variegata') Breeding of Microorganisms Jelena Lević, Slavica Stanković, Dragica Ivanović, Radivoje Jevtić, Vesna Krnjaja and Aleksa Obradović: National collections of microorganisms important for agriculture Milica Nikolić, Branko Jovčić, Katarina Veljović, Nataša Golić and Ljubiša Topisirović: Examination of auto-aggregation ability within lactic acid bacteria (LAB) Miloš Busarčević, Jelena Lozo, Đorđe Fira, Nataša Golić and Ljubiša Topisirović: Lactobacilli as a source of new antimicrobial substances Maja Tolinački, Ivana Strahinić, Jelena Begović, Milan Kojić and Ljubiša Topisirović: Criptic plasmids as important tools for genetic manipulation of lactic acid bacteria Animal Breeding Branislav Miščević, Ratko Lazarević, Milan Petrović, Stevica Aleksić, Slavko Josipović, Petar Radetić, Vladimir Pantelić and Dušica Ostojić: The effect of crossing on demostration of heterosis in beef meat production Slavica Košarčić, Mira Kovačević and Dušan Košarčić: Changes in karyotype of domestic animals detected on farms in Vojvodina and their influence on reproduction

9 Wolfgang Tomek and Tatjana Smiljaković: The phosphorylation stages of 4E-BP1 during the IVM of the bovine oocytes Mića Mladenović, Nebojša Nedić and Slađan Rašić: Selection of honey bee in Serbia Biotechnology Ljubiša Topisirović: The role of molecular biotechnology in breeding Dejana Saftić-Panković: The application of molecular markers in sunflower breeding Borislav Kobiljski, Srbislav Denčić and Jelena Pilipović: Molecular screening of SCG varieties and advanced lines for allelic variants at the dwarfing gene RHT8 locus in wheat Milka Brdar, Marija Kraljević-Balalić, Ivana Maksimović and Borislav Kobiljski: Boron tolerance in NS wheat lines Jelena Srdić, Snežana Mladenović-Drinić and Zorica Pajić: Characterisation of maize inbred lines based on molecular markers, heterosis and pedigree data Dragana Ignjatović-Micić, Ana Nikolić, Snežana Mladenović Drinić, Jelena Vančetović and Vesna Lazić-Jančić: Identification of sterile cytoplasm (CMS) in maize by using specific MTDNA primers Velichka Rodeva, Stanislava Grozeva and Velichka Todorova: In vitro answer of bulgarian pepper (Capsicum annuum L.) varieties Slađana Marić, Radovan Bošković and Milan Lukić: The polymorphism of ETR1 gene in autochthonous apple cultivars Vladislava Galović, Snežana Mladenović Drinić, Julijana Navalušić and Marija Zlokolica: Characterization methods and fingerprinting of agronomicaly important crop species Ksenija Taški-Ajduković, Mirjana Milošević, Zorica Nikolić and Milka Vujaković: Polymerase chain reaction methods (PCR) in agrobiotechnology Zorana Kotaranin and Borislav Kobiljski : Allelic polymorphism in domestic wheat genotypes using 4 microsatellite markers Dragana Kačavenda and Borislav Kobiljski: Detection of allelic variability at wheat loci associated with resistance to Fusarium ssp. using molecular markers microsatellites Nevena Mitić, Dejan Dodig and Radomirka Nikolić: Variability of in vitro culture response in wheat genotypes, genotype and environmental effects Branka Ljevnaić, Ankica Kondić-Špika, Borislav Kobiljski and Srbislav Denčić: Androgenous ability of heterozygous wheat genotypes and cytological characteristics of green regenerants

10 OlgicaGrujić, Jelena Pejin and NovoPržulj: Investigation of winter brewer s barley varieties from selective experiments crop 2004 as a raw material for malt production Snežana Drinić Mladenović, Dragana Ignjatović Micić, Ana Nikolić and Kosana Konstantinov: Genetic characterization of different plant species by proteins markers Ana Nikolić, Snežana Mladenović Drinić and Dragana Micić-Ignjatović: Comparasion of similarity coefficients based on RAPD markers in soybean Nevena Nagl, Ivana Čabarkapa, Snežana Mezei and Lazar Kovačev: Regeneration of sugar beet from cotyledons and hypocotyl in in vitro conditions Dragana Miladinović, Ana Marjanović Jeromela and Radovan Marinković: Rapeseed tissue culture and genetic transformations Dejana Saftić-Panković, Branislava Rakić, Ana Marjanović-Jeromela and Radovan Marinković: The application of pcr markers in the investigation of rapeseed (Brassica napus L.) winter survival Zorica Nikolić, Mirjana Vasić, Mirjana Milošević, Ksenija Taški-Ajduković, Milka Vujaković and Jelica Gvozdanović-Varga: Characterization of bean varieties on the basis of protein markers Ljiljana Tubić, Snežana Zdravković-Korać, Dušica Ćalić, Ivana Dragićević and Branka Vinterhalter: Flowering and seed production in spinach (Spinacia oleracea L.) in vitro Nasya Tomlekova, Bistra Atanasova, Emilia Nacheva and Velichka Todorova: DNA fingerprinting of crop species from Solanaceae Tatjana Lazić and Đurđina Ružić: Adventitious organogenesis in vitro from the leaf of blackberry cv Čačanska bestrna Dušica Ćalić, Snežana Zdravković-Korać, Ljiljana Radojević and Branka Vinterhalter: Maturation of horse chestnut (Aesculus hippocastanum L.) androgenic embryos Miroslava V. Veličković: Are horse chestnut compound leaves sensitive to environmental stress (pollution)? Radomirka Nikolić, Nevena Mitić and Slavica Ninković: Agrobacterium tumefaciensmediated transformation of Lotus corniculatus L. using a "super-binary" vector and direct regeneration of cotyledonary explants Slađana Jevremović, Milana Trifunović, Marija Nikolić, Angelina Subotić and Ljiljana Radojević: Variations of chrysanthemum flower color after long term micropropagation Seed Production Mirjana Milošević and Milka Vujaković: Situation and perspectives of seed science in Serbia

11 Desimir Knežević, Nevena Đukić, Veselinka Zečević, Danica Mićanović, Aleksandar Paunović and Milomirka Madić: Seed source of variability and identity of plant species Mladen Mirić: New methodological parameters in seed production Slobodanka Sredojević, Vesna Dragičević, Marija Milivojević, Mirjana Srebrić, Petar Piper and Miroslav Vrvić: The free energy status in wheat with different germination ability Milovan Pavlov, Predrag Jovin and Lana Đukanović: Possibilities of the ZP maize hybrid seed production for the national trade and export Božana Aćimović, Radovan Sabovljević, Divna Marković Simić, Đorđe Goranović and Sandra Milosavljević: The effect of shape and size of seed of corn on variability and correlation of changes during germination Jela Ikanović, Radovan Sabovljević, Đorđe Goranović, Marija Davidović and Dobrivoje Poštić: The effect of temperature on variability and correlation of changies during seed germination of corn sugar seed Branko Marinković and Jovan Crnobarac: Importance of stand density, inter row spacing, mother and father row distance in corn seed production Ljubiša Stanisavljević and Željko Tomanović: Production of alfalfa seed by use of leafcutting bee Megachile rotundata (Fab.) (Hymenoptera: Megahilidae) in Serbia Radovan Sabovljević, Radosav Jevđović, Marija Davidović, Đorđe Goranović and Divna Marković Simić: Effects of temperature on correlation between seed-mass, germination and emerging of five species of medicinal plants Nikolay Dimitrov Panayotov: Influence of leaf fertilizer masterbland on the yield and quality of pepper seeds Zoran Ilić, Ljubomir Šunić, Lidija Milenković and Jelica Gvozdanović-Varga: Influence of sowing date on seed yield and quality in onion (Allium cepa L.) by production «seed to seed» method Zlatoljupka Stanković, Divna Marković Simić, Radovan Sabovljević, Đorđe Goranović and Sandra Milosavljević: The effect of temperature on seed fraction germination of tobacco cultivar Gilansa Yaka Mladen Mirić, Dragojlo Selaković, Predrag Jovin and Zdravko Hojka: 1000-seed weight in the theory and practice Lazar Panković and Gojko Mladenović: The small grains seed production on changing climate condition Gojko Mladenović and Lazar Panković: Seed production of Novi Sad small grains cultivars during the period years

12 Predrag Jovin, Milovan Pavlov, Lana Đukanović, Dragiša Lopandić, Zdravko Hojka and Đalović Ivica: Effects of the sowing density on тhe yield and the number of seeds in seed maize Ljubića Prijić, Branka Kresović, Mioljub Mišović and Mile Sečanski: Drying process and maize seed germination Lidija Stefanović and Milena Simić: The response of parental components of ZP maize hybrids to herbicide effects Dragiša Lopandić, Jovo Stojčić, Slavko Radanović and Josif Dubovina: ZP maize hybrid seed production in the republic of srpska: state and possibilities Milka Vujaković, Mirjana Milošević, Zorica Nikolić and Ksenija Taški-Ajduković: Effects of irrigation on germination and vigor of soybean seed (Glycine max. (L.) Merr.) Srđan Anđelović, Radovan Sabovljević, Vladan Plazinić and Milorad Rošulj: The effect of density of seed crops on variability components of fertile seed at three cultivar of soy-bean Mirjana Srebrić, Ljubiša Prijić and Irina Božović: Lana soybean (Glycine max L.) variety lacking kunitz-trypsin inhibitor Živoslav Marković, Jasmina Zdravković, Bogoljub Zečević, Mirjana Mijatović i Željko Radošević: Jasmin crveni new variety of cherry tomato Dejan Cvikić, Bogoljub Zečević, Nenad Pavlović and Radiša Đorđević: Mona F 1 new pepper (Capsicum annuum L.) hybrid in the Centre for Vegetable Crops Milan Zdravković, Jasmina Zdravković, Vesna Todorović, Nenad Pavlović and Dejan Cvikić: The research of quality and germination of bean - french bean seed Mirjana Vasić, Jelica Gvozdanović-Varga and Adam Takač: A comparative description of dry bean cultivars using ipgr and UPOV descriptors Radiša Đorđević, Bogoljub Zečević, Dejan Cvikić, Jelena Damnjanović and Milan Damjanović: Gorostas medium early pea (Pisum sativum L.) variety in the Centre for Vegetable Crops Radovan Sabovljević, Dobrivoja Poštić and Predrag Jovanić: Correlation between changes during tubers germination of potato seed of different origin Ljubomir Šunić, Zoran Ilić and Mihal Đurovka: Seed production in onion as influenced by dates of bulb plating Jasmina Zdravković, Ljiljana Stanković, Vesna Todorović, Nenad Pavlović and Milan Zdravković: Seed yield of lettuce in different sawing periods Radovan Sabovljević, Zlatoljupka Stanković, Borivoje Petrović, Đorđe Goranović, Dragan Biserčić and Saša Petrović: The effect of some treatment in proceeding on beet root seed characteristics

13 Dragoljub Beković: The effect of inter- row distance and environmental conditions on alfalfa seed yield of alfalfa (Medicago sativa L.) Lana Đukanović, Marija Milivojević, Jasna Vujinović and Batrić Radenović: Seed longevity of fodder galega (Galega orientalis Lam.) Batrić Radenović: Ten years of planting fodder galega voriety yu margarita, MAG1/97 in Serbia and Montenegro Vesna Vujačić and Marija Bodroža-Solarov: Seed chemical properties of the introduced species of Amaranthus spp. Gordan Zec, Slavica Čolić, Dejan Marinković, Dragan Nikolić and Zoran Janković: Variability of vineyard peach tree traits Vasilije Isajev and Vladan Ivetić: Genetically-physiologically fundaments of broadleaved seed dormancy Vladan Ivetić and Vasilije Isajev: Improvement of seed germination of Fagus moesiaca /domin, maly/ czeczott Mirjana Šijačić-Nikolić, Jelena Milovanović and Dragica Vilotić: Seed morphological traits variability of different ginkgo stems from belgrade green areas Radmila Knežević and Mirjana Šijačić-Nikolić: Model of seedling seed orchard for the specific purpose production of the european plane seedlings Vera Lavadinović, Vasilije Isajev and Aleksandar Lučić: Yield quality in conifer seed stands in Serbia, base for the designation of seed zones Milka Vujaković, Janoš Berenji, Radosav Sekulić and Mirjana Milošević: Effect of seed treatment with insecticide on the energy of germination and germination percentage of oil pumpkin BREEDING OF MAIZE RESULTS AND PERSPECTIVES Goran Drinić and Goran Stanković Maize (Zea mays L.) is one of the most important crops in the world. During last 100 years maize production is increased seven times in world and 2.5 times in Serbia in last fifty years. At the beginning of the 30s of twentieth century maize hybrids was introduce in agricultural practice in USA. The modern maize breeding program and hybrid growing practices has established in our country in 1953, and the first domestic maize hybrid (ZP 755) is released on According to few studies contribution of breeding to increasing of maize production is about 50%. Intensive work in developing on high yielding inbred lines during the last 40 years has resulted on faster growth of yield per se, comparing with the F 1 hybrids and lead to decrease of heterosis 2% per decade. During 90s of 20 th century informatics and recombinant DNA technology allowed further progress in maize breeding programs. At the beginning of 21 st century the work is continuing

14 on creation of maize hybrids with high yield potential, tolerance to the abiotic and biotic stress factors, better adaptedness for growing under higher plant density. One of the new trends in maize breeding programs could be influenced by energetic crises, e.i. a bigger needs for using of maize for production of ethanol. CELEBRATING 50 YEARS OF SORGHUM HYBRIDS Janoš Berenji and Jeff Dahlberg The first commercial hybrides of grain sorghum were released in 1956 in the USA. Sorghum production in developed countries (USA, Australia, Europe) is completely based on F 1 hybrid varieties. The most important aspects of heterosis are yield increase and better adaptability. Under unfavourable environment hybrid sorghum is not only higher yielding but it also provides more stable yield. Heterosis for grain yield is largely expressed in an increase in seed number per plant. Hybrids develop more rapidly than their parents. Processes that do not involve an increase in the rate of cell division (like the starch or protein content) show little effect due to heterosis. It was not until the discovery of cytoplasmic-genetic male-sterile system (CMS) that the commercial scale hybrid seed production became available. The three components of the CMS system are: A-line (the seed parent of the hybrid), B-line (maintainer of the A-line) and R-line (the pollen parent of the hybrid). Single crosses prevail in grain sorghum but threeway-crosses are also in use for sweet sorghum and sudangrass. A 1 is the dominant CMS system in commercial use. Other CMS systems are being evaluated in order to minimize the risk of genetic vulnerability. Beside the prevailing importance of GCA, SCA must also be taken into account by hybrid sorghum breeders. Further improvement of the performances of A- and B-lines is among the most important keys in breeding more successful F 1 hybrid sorghum varieties. SUGAR BEET BREEDING - RESULTS AND PERSPECTIVES Lazar Kovačev, Nikola Čačić, Snežana Mezei and Nevena Nagl In the last few decades, the genetic composition of sugar beet hybrids and varieties has been completely changed, mainly due to development of different scientific methods. Every change lead to increase of genetic yield potential for important quantitative and qualitative traits, or improvement of efficiency and profitability of production. Sugar beet breeding in Institute of field and vegetative crops always managed to follow European and world trends, in order to create hybrid and varieties whose performance was equal to hybrids made by international companies. Increase in yield potential of 2% per year in the last few decades, is mostly due to genotype improvement, which presents huge success of scientists involved in sugar beet genetics and breeding. SUNFLOWER BREEDNIG FOR SPECIAL-PURPOSES Dejan Jovanović Demand for confectionery (high-protein) type of sunflower as well as the expanding possibilities for the use of protein from sunflower seeds in the food industry point sunflower breeding in new directions and add fresh objectives to it. The existence of major markets for

15 confectionery sunflower in Europe (Germany, Spain, etc), favorable climatic and soil conditions, and know-how and skill of our farmers represent a good starting point for a future expansion and increase production of confectionery-type sunflower. In the introduction, the paper describes sunflower production, importance and uses. A special section is devoted to describing the objectives of confectionery sunflower breeding and the results of effort to increase seed protein content, decrease seed oil content, hull percentage, and 1000-seed mass. Inbred lines and hybrids with a decrease seed oil content and increase seeds protein content have been developed. Market factor have a strong influence on the commercial effect of the production. CURRENT WORK ON GENETIC RESOURCES OF VEGETABLES IN SERBIA Mirjana Vasić, Jelica Gvozdanović-Varga, Janko Červenski, Milan Zdravković, Dejan Cvikić, Nenad Pavlović, Đorđe Moravčević and Zoran Ilić A working group has been constituted within the framework of SEEDNet, an international project on genetic resources, for work on vegetable species in the Republic of Serbia. Current status in that field has been observed, inventory of vegetable collections planned and priorities for further work defined. Survival of wild species closely related to cultivated vegetables being jeopardized, it is necessary to identify their locations, especially in the Vojvodina Province. Most important species that will be subject to collection of old varieties and populations are alliums, legumes (string beans, dry beans, broad bean), crucifers, vines (gourds, melons and watermelons), lettuce, fruity vegetables (pepper, tomato). Since a part of the above activities had already been accomplished, locations that have not been investigated were identified and collecting trips planned. As most of the work with genetic resources is carried out in breeding centers, it has been planned to maintain those breeding materials and varieties that serve as sources of genes for particular traits. Emphasis is placed on raising public consciousness regarding the importance of work in that field. Old varieties and populations will be grown in a demo garden. RESULTS OF FRUIT BREEDING AT THE FRUIT AND GRAPE RESEARCH CENTRE, ČAČAK Milisav Mitrović, Dobrivoje Ogašanović, Žarko Tešović, Radunka Plazinić, Slađana Marić, Milan Lukić, Sanja Radičević, Vladan Milinković and Aleksandar Leposavić The Fruit and Grape Research Centre, Čačak has a long tradition of breeding work of new pome, stone, kernel and soft fruit varieties. As the result of permanent and systematic work the following fruit cultivars have been named and released: two newly developed apple cultivars (Malus x domestica Borkh.), four pear cultivars (Pirus communis L.), one quince cultivar (Cydia oblonga Mill.), eleven plum cultivars (Prunus domestica L.), three peach cultivars (Prunus persica var. vulgaris L.), two apricot cultivars (Prunus armeniaca L.), two sweet cherry cultivars (Prunus avium L.), two sour cherry cultivars (Prunus cerasus L.), three walnut cultivars (Juglans regia L.), three strawberry cultivars (Fragaria ananassa Duch.), three raspberry cultivars (Rubus ideaus L.), one blackberry cultivar (Rubus caesius L.) and one blackcurrant cultivar (Ribes nigrum L.). A great number of promising selections of the aforementioned fruit varieties are also in possession of the Centre and these are prepared to be named and released along with great many selections which are presently being intensively studied.

16 RESULTS AND DIRECTIONS IN IMPROVEMENT OF PERENNIAL LEGUMES AND GRASSES IN CENTER FOR FORAGE CROPS Zoran Lugić, Jasmina Radović, Dejan Sokolović and T. Vasić The paper presents the results on the improvement of economically most important perennial legumes (alfalfa, red and white clover, birdsfoot trefoil) and perennial grasses. The most often used methods in improvement of these species are mass selection, phenotypic recurrent selection, polycross method and hybridization, and the combination of these and other methods. Alfalfa and red clover, as the most important legumes, are characterized by a high potential for dry matter yield (15-17 tha -1 ), while the yield of both birdsfoot trefoil and white clover is lower (10-12tha -1 ). The highest CCP was obtained by red clover (266 gkg -1 ) and alfalfa, while the highest yield of CP was obtained by alfalfa and red clover (3.5 tha -1 ). Perennial grasses are very important forage species in the production of animal forage feeds, especially in regions with lower fertility soils and in hilly-mountinous regions. During the last thirty years 14 grass cultivars had been created both from domestic and introductory material by means of different methods of improvement. Forage yield of different perennial grasses ranges from 12 to 15,5 tha -1 with the content of crude protein from 14 to 17%. Domestic cultivars are prevailing ones and producers give them preferance over the foreign cultivars. DESCRIPTION OF EUROPEAN CONTEMPORARY WHEAT CULTIVARS ACCORDING TO UPOV Slaven Prodanović, Gordana Šurlan-Momirović, Violeta Ranđelović, Marija Sovrlić, Nenad Đurić and Dušan Stanisavljević UPOV (International Union for the Protection of new Varieties of Plants) descriptor contains the directions for conduction of DUS (Distinctness, Uniformity and Stability) tests for genotypes. In this study, we described the characteristics of European contemporary wheat cultivars on the base of the UPOV descriptor adapted for all cultivars of Triticum aestivum L. Out of 500 wheat cultivars in the germplasm collection, 55 cultivars were evaluated for 12 traits. Field trails with investigated wheat cultivars were conducted at Institute «PKB- Agroekonomik» Padinska Skela, during the season 2004/05. Great diversity among studied cultivars were observed: all cultivars differed in values of estimated traits. Frequencies of values for different traits indicated the dominant tendencies of wheat selection in European countries. Forms of traits favorized by contemporary wheat breeding were identified. WHEAT CULTIVAR RESISTANCE TO LOW TEMPERATURE Nikola Hristov, Novica Mladenov, Borislav Kobiljski and Ankica Kondić-Špika Success of wheat production in different regions and achievement of high and stable yields depend to a large measure on the tolerance of the cultivars grown to low temperature stress. Beside the genetically controlled reaction, gradual adaptation of plants to low temperature plays an important role. In the period , 23 wheat cultivars from different breeding cycles were tested for reaction to exposure to the temperature of 15 C for 24, 36, 48 and 60 hours. The cultivars had been divided in three groups, according to the year of release. In the first group, which consisted mostly of introduced cultivars, the average percentage of survival in all treatments was 87%. The cultivars in this group were found to differ in resistance to low temperature in dependence of origin. In the second group, which consisted of domestic

17 cultivars commercially grown in the 1970s, the percentage of survival was 88.1%. The third group comprises new cultivars, those which are currently in the domestic commercial production. Their resistance to low temperature was 87.4%, at the level of the second group. High temperatures in the period of hardening contributed to an increased percentage of winterkill in the second year. The objective of this study was to find whether or not the process of breeding improved wheat resistance to low temperature. STRATEGY OF ACUMULATIONS GENES FOR DURABLE RESISTANCE TO WHEAT LEAF RUST PATHOGEN Jelena Bošković, Momčilo Bošković and Željana Prijić Leaf rust caused by Puccinia recondita Rob. ex Desm. F. sp. tritici Eriks.&Henn is one of the most important diseases in wheat worldwide. The cultivation of resistant wheat is considered to that does this disease cause the most economical and environmental save method to reduce the yield losses. More than 50 genes for resistance against wheat leaf rust (Lr genes) have been described. The method to achieve a more durable resistance is to use different Lr genes in combination. In our breeding program we applied pyramiding strategy using several strong resistance genes to get durable resistance to wheat leaf rust pathogen. After several years of testing International Wheat Rusts Nurseries, eight genetically different sources of resistance were selected and crossed with recurrent parents Princ and Starke. Hybrid combinations of the first backcross have been tested with three international pathogen cultures and inheritance of resistance has shown in the hybrids the presence of one, two, or three resistant genes. Eight of the best hybrid lines have been selected and crossed again with only effective isogenic lines containing the resistant genes Lr9, Lr19 and Lr24. Twenty crossing combinations has been tested with three pathotypes of Puccinia recondita tritici. Segregation ratios demonstrated accumulation of the used resistant genes. MODELS FOR GENTYPE BY ENVIRONMENT INTERACTION ESTIMATION ON HALOMORPHIC SOIL Miodrag Dimitrijević, Sofija Petrović, Milivoj Belić, Vladimir Hadžić and Marija Kraljević- Balalić In genontype by environment interaction estimation, as well as, in total trial variability analysis several models are in use. The most oftenly used are Analysis of variance, Eberhart and Russell model and AMMI model. Each of the models has it's own specificities, in the way of sources of variation comprehension and treatment. It is known that agriculturaly less productive environments increase errors, diminish reaction differences between genotypes and decrease repeatability of conditions during years. A sample consisting on six bread wheat varieties was studied in three vegetation periods on halomorphic soil, solonetz type in Banat (vil. Kumane). Genotype by environment interaction was quantified using ANOVA, Eberhart and Russell model and AMMI model. The results were compared not only on pure solonetz soil (control), but also on two level of amelioration (25 and 50t/ha phosphorgypsum). VARIABILITY OF TECHNOLOGICAL QUALITY COMPONENTS IN WINTER WHEAT Veselinka Zečević, Desimir Knežević, Danica Mićanović and Dušan Urošević

18 Ten winter wheat cultivars created in Small Grains Research Centre of Kragujevac (KG-56, Srbijanka, Studenica, Takovčanka, KG-56S, KG-100, Toplica, Levčanka, Gruža, and Tara) were grown at experimental field during four years. Variabilty of bread-making quality properties (sedimentation value, gluten content and quality, and rheological dough properties) were investigated. The sedimentation value was determined by Zeleny method, gluten content by standard method, and rheological dough properties by farinograph. Quality components depended significantly of genotype and environment factors. Obtained results have shown that the highest value of sedimentation in average was at KG-56S cultivar (61.8 ml). Sedimentation in all investigated cultivars was at the level of the first quality class. Wet gluten are characterized by good physical properties, and ranged from 25.6 % (KG-100) to 36.3 % (Gruža). Cultivars have showen very good and stable flour and dough quality, and belonged to A 2, B 1, and B 2 quality group. Analysis of phenotypic components of variance was shown that the lowest impact of variance belonged to year, and really more belonged to cultivar and interaction cultivar x year, what indicated that genotype has the highest influence on wheat quality expression. COMBINATION ABILITIES AND RECIPROCAL CROSSING OF INBRED LINES FOR YIELD AND OTHER QUANTITY TRAITS OF MAZE Slavko Radanović In the process of maze breeding the breeder face the problem of inbred line selection from the hybrid descendants on the base of phenotype, as well as with the problem of choice of the appropriate inbred lines, as parents with good combination abilities. Therefore, it is necessary to test their combination abilities by the method of dialiel crossing. In this work, combination abilities of five maze lines inbred, including reciprocal crossing, were tested by the use of dialel analysis during the two-years research. The following traits were studied: grain yield, corncob length, corncob diameter, number of grain rows on the corncob, number of grains in the row, plant and corncob height. The starting point was the assumption that certain tested inbred lines of maize have relatively better general and special combination abilities in comparison with other lines. Also, there is a difference between direct and reciprocal crossing of some studied traits. Significant values of the general and special combination abilities were determined, in all seven tested traits, in both years. The reciprocal crossing influenced significantly on the effect of the special combinational abilities for all the studied traits, except for the corncob diameter. LINE X TESTER ANALYSIS OF MORPHOLOGICAL TRAITS AND THEIR CORRELATION WITH YIELD AND OIL CONTENT IN SUNFLOWER (Helianthus annuus L.) Nada Hladni, Dragan Škorić and Marija Kraljević-Balalić One of the primary tasks of sunflower breeding is to develop inbred lines using interspecific hybridization in order to obtain high-yielding and stable hybrids with altered appearance that make it possible to achieve an increase in plant number per unit area under intensive cultural practice conditions. In our line x tester analysis, we used seven new divergent (A) cytoplasmically sterile inbred lines obtained by interspecific hybridization, three Rf-restorer lines used as testers, and

19 21 F 1 hybrids. Significant differences were obtained in the mean values of all the traits under study. Highly significant GCA and SCA values were obtained for petiole length (PL) and total leaf area per plant (TLA). The nonadditive component of genetic variance played the main role in the inheritance of both these traits. This conclusion was supported by the GCA/SCA ratio in the F 1 generation, which was below the value of one in both cases (0.34 for PL and 0.07 for TLA). The female A-lines made the largest average contribution in the expression of the two traits (49.89% for PL and 57.06% for TLA). There was a positive correlation between seed yield and PL (0.374*) and TLA (0.630**). Oil content was negatively correlated with TLA (-0.520**). This study could prove useful in the development of new high-yielding sunflower genotypes based on interspecific hybridization. THE EFFECT OF ECOLOGICAL CONDITIONS ON HIGH OF FIRST FERTILISER NODE AT THREE CULTIVAR OF SOY-BEAN Vladan Plazinić, Srđan Anđelović, Radovan Sabovljević and Milorad Rošulj Researching was during three years (1999, 2000, 2001) with three cultivar of soybean (Dragana, Nera and Volođa) in three crops density (300,000, 400,000 and 600,000) per hectare. In each year for each density expectably for each cultivar per twenty plants from field experiment is researched. Following plants characteristics were measured: high of first node fertilizers, high of plant, number of node and number of branches per plant. Experimental data were done on total variability (per variant of researching), three factor of analysis of variance were the factors are: cultivar, crops density and year vegetation period) and with the correlation analysis where the dependence characteristic is the high of the first node fertilizer with application of equation of multiple regression. To the base of F- test the values of LSD test are determined. To the base of equation of multiple regresion were determined (D) coefficient of multiple regresion (R) and ordinary coefficient of correlation (r). Correlation analysis is done for each cultivar separately and for each year of researching separately. Variability of all researching characteristic show different values per all three basis of researching (cultivar, crops, density, vegetation period) as and different diversity of its values. The high of first node fertile show very high variability. Analysis of variance show very significance effect of three factor separately and whole interaction on showing of first node fertile. The values of coefficient (D) and (R) are changing per years of researching and per cultivar. The value of coefficient r are very changeable and unreliable among characteristic per cultivar and year. ALFALFA BREEDING FOR INCREASED DRY MATTER YIELD IN DIFFERENT CUTTING INTENSITIES Slobodan Katić, Vojislav Mihailović, Dragan Milić, Đura Karagić and Sanja Vasiljević Intensification of cutting increases not only yield level but also dry matter quality. The main targets of alfalfa breeding are improved yield and dry matter quality. The objective of this study has been to assess half-sib families of alfalfa for yielding capacity under different cutting intensities. A large number of cultivars had been grown in a nursery (each at 0.5 m x 0.8 m). Highest yielding plants were selected in the second year of cultivation. The obtained seed was used for the planting of 50 selected lines. In the subsequent year, 24 of these lines were selected and individually harvested. The obtained seed of these half-sibs was planted in narrow rows in a trial with the elementary plot size of 5 m 2 (5 m x 1 m), in 2 times 3 replications. The purpose of the trial was to assess the material for earliness and tolerance to

20 intensive cutting. Two methods of cutting were applied, one intensive (5 cuts at budding stage) and one less intensive (4 cuts at flowering stage). The yield of dry matter of seven halfsibs did not depend on cutting intensity (12,848 kg/ha of hay with 5 cuts and 13,185 kg/ha of hay with 4 cuts). However, 15 families produced increased dry mater yields with the more intensive method of cutting (13,872 kg/ha of hay). Only two families were higher yielding with the less intensive method of cutting, but these families were lowest yielding for the whole trial (13,182 kg/ha of hay) RECONSTRUCTION OF REPRODUCTIVE PATHWAYS IN Poa pratensis L. Sanja Prodanović, Slaven Prodanović and Fritz Matzk Angiosperm species reproduce sexually or asexually through seeds. Apomixis is asexual seed formation and it is a natural pathway for cloning plants through seeds. The main advantage of apomixis is that it permits the fixation of heterosis. Poa pratensis is an aposporous pseudogamous facultative apomict. The flow cytometric seed screen (FCSS) provides the possibility to reconstruct the pathway of Poa seed formation. Four reproductive pathways in Poa were found by means of single seed screen, and 8 reproductive pathways by means of bulk seed screen. The method allows the classification of F 1 progenies in twelve reproductive classes. New trends and results related to this topic will be presented here, some of them may provide benefits for plant breeding. EFFECT OF DIFFERENT ROOTHSTOCK TYPE ON QUALITY AND YIELD OF TOMATO FRUITS Anđelko Mišković, Žarko Ilin, Mihal Đurovka and Vladan Marković Grafting of tomato represent new agrotechnical measures, which is conducted in purpose to increase intesity of rooth development and higher resistant on soil borne diseases. During the year of 2004 and on Faculty of Agriculture were conducted the investigation of effect of several different varieties for grafting on quality and yield of tomato fruits. In investigation were used next varieties: Maxifort, Beaufort, Vigomax, Licopersicon esculentum var. cerasiformae, Licopersicon esculentum var. pruniformae i Licopersicon esculentum var. pyriformae. For control it is used hybrid Jeremy. Measured values of ph were very similar; content of licopene was significant higher in year; highest yield in 2004 year was with roothstock Vigomax, and in year it was with roothstock Maxifort. Based on this results it can be suggest uses of hibrid roothstock Maxifort and Vigomax. With this roothstock can be achieved highed yield, but no any expand of color intensity. CHEMICAL MUTAGENESIS IN HEAD CABBAGE (Brassica oleracea var capitata L.) ІІ. EFFECT OF ETHYL METHANE SULPHONATE ON PHOTOSYNTETIC APPARATUS EFFICIENCY Valentina Petkova, Vesselina Nikolova, Nasya Tomlekova, Galina Antonova and Ilia Denev Physiological studies on head cabbage, cv. Ditmarsko, for determining the influence of chemical mutagen ethylmethansulphonate (EMS) treatment of seeds in concentration 0.5%, 0.6% and 0.7 % upon photosynthetic apparatus (PSA) efficiency of the produced plants in