Zbornik - Društvo genetičara Srbije

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148 ZBORNIK ABSTRAKATA III KONGRESA GENETIÈARA SRBIJE IV-Pos-31 Subotica, 30. novembar - 4. decembar 2004. NASLEÐIVANJE OSOBINA RAZVIJENOG LISTA U POTOMSTVU VINOVE LOZE DOBIJENOM UKRŠTANJEM SORTI MUSKAT HAMBURG I VILLARD BLANC D. Nikoliæ Poljoprivredni fakultet, Beograd-Zemun Od 21 morfološke osobine koje za opis i determinaciju sorti vinove loze preporuèuje Internacionalni institut za biljne genetièke resurse šest su osobine razvijenog lista. To su: velièina, broj renjeva, oblik zubaca, oblik peteljkinog sinusa, gustina poleglih malja i gustina uspravnih malja izmeðu nerava na nalièju razvijenog lista. Varijabilnost i naèin nasleðivanja navedenih osobina ispitivani su kod 90 sejanaca F1 generacije iz kombinacije ukrštanja Muskat hamburg x Villard blanc. Kategorizacija prouèavanih osobina izvršena je pomoæu sistema šifri OIV, a odreðivanje naèina njihovog nasleðivanja pomoæu 2 testa. Dobijeni rezultati pokazuju da je u hibridnom potomstvu ispoljena znatna varijabilnost svih prouèavanih osobina. Velièina razvijenog lista, broj renjeva razvijenog lista, oblik zubaca razvijenog lista i oblik peteljkinog sinusa razvijenog lista najverovatnije su uslovljeni veæim brojem genetièkih faktora, jer je pri prouèavanju naèina njihovog nasleðivanja ustanovljeno odstupanje od testiranih, monogenskih odnosa razdvajanja. Za gustinu poleglih malja i gustinu uspravnih malja izmeðu nerava na nalièju razvijenog lista utvrðeno je monogensko nasleðivanje. INHERITANCE OF MATURE LEAF PROPERTIES IN GRAPEVINE PROGENY OBTAINED BY CROSSING MUSCAT HAMBURG AND VILLARD BLANC CULTIVARS Of the 21 morphological property recommended by the International Plant Genetic Resources Institute for description and determination of grapevine cultivars six properties are those of the mature leaf, e.g. size, number of lobes, shape of teeth, shape of petiole sinus, density of prostrate and erect hairs between the veins on lower side. Variability and inheritance mode of these properties were analyzed in 90 seedlings of the F1 generation from the crossing combination of Muscat Hamburg x Villard Blanc. The properties analyzed were classified according to the OIV system of classification and 2 test was used to determine the inheritance mode. A substantial variability of the analyzed characteristics was recorded in the hybrid progeny. Mature leaf size, number of mature leaf lobes, shape of mature leaf teeth and shape of mature leaf petiole sinus were most probably affected by a great number of genetic factors because there were divergences with regard to inheritance in relation to the tested monogenic relationships of separation. Monogenic inheritance was determined with regard to the density of prostrate and erect hairs between the veins on lower side of the mature leaf.
IV-Pos-32 ZBORNIK ABSTRAKATA III KONGRESA GENETIÈARA SRBIJE 149 Subotica, 30. novembar - 4. decembar 2004. ADAPTABILNOST I STABILNOST GENOTIPOVA PŠENICE U VOJVODINI Sofija Petroviæ, M. Dimitrijeviæ i Marija Kraljeviæ-Balaliæ Katedra za genetiku i oplemenjivanje biljaka, Departman za ratarstvo i povrtarstvo, Poljoprivredni fakultet, Novi Sad Adaptabilnost i stabilnost genotipova pšenice, kao i ostalih kultura, je posledica interakcije genotipa i spoljne sredine. Oplemenjivanje na visok prinos dobija na efektu tek ako je taj visok prinos praæen i dobrom stabilnošæu tj. ako se visok nivo prinosa odrava, ili što manje varira iz godine u godinu. Posmatrajuæi prinos kao rezultat ukupne genetièke osnove i uslova ivota, u radu je praæena interakcija genotipa i uslova gajenja za komponente prinosa u poljoprivredno naprednom regionu Vojvodine. ADAPTABILITY AND STABILITY OF WHEAT GENOTYPES IN VOJVODINA Adaptability and stability of the wheat genotypes are the results of genotype by environment interaction. The full effect of breeding for high yield is achieved when is followed by a good stability when high yield shows as low variation as possible through seasons. Considering yield as a result of total genetic background and growth conditions, genotype/environment interaction of the yield components in developed agricultural region of Vojvodina has been followed in the article.
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ZAVRŠNO PREDAVANJE CLOSING LECTURE
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Zbornik - Društvo genetičara Srbije

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