Show simple item record

Varijabilnost i heritabilnost komponenta prinosa populacija kukuruza sa egzotičnom germplazmom

dc.creatorŽivanović, Tomislav
dc.creatorSečanski, Mile
dc.creatorVasiljević, Sanja
dc.creatorProdanović, Slaven
dc.creatorTurudija-Živanović, Svetlana
dc.creatorVučković, Savo
dc.creatorŠurlan-Momirović, Gordana
dc.date.accessioned2020-12-17T19:54:30Z
dc.date.available2020-12-17T19:54:30Z
dc.date.issued2010
dc.identifier.issn0354-5695
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/2379
dc.description.abstractThe investigations included mean values, genetic and phenotypic variability, heritability and genetic and phenotypic coefficients, variability of yield components in the original maize population with 25% of the exotic germplasm incorporated and also, in the population after three and five cycles of gene recombining. The two-replicate trial was set up according to the nested design method in two locations in order to investigate effects of different cycles of gene recombination. According to the obtained results, it was concluded that the mean values had increased more significantly to the third than from the third to the fifth cycle of free hybridisation. The additional gene recombination affected the insignificant decrease of the genetic and phenotypic variability of traits. Estimated values of heritability were high and significant for yield, which indicated that they were mostly determined by the additive variance. The additional cycles of gene recombination caused the decrease of heritability and the coefficient of genetic and phenotypic variability. Greater mean values of yield components after the third and the fifth gene recombination cycles, relating to the original population, indicate to a positive effect of the additional recombination cycles on the increase of a gene frequency in case of desirable traits, and the frequency of the more yielding genotypes. .en
dc.description.abstractProučavanjem je obuhvaćena originalna populacija kukuruza sa 25% egzotične germplazme (1601/5 x ZPL913)F2R0 i populacije nakon tri (1601/5 x ZPL913) F2R3 i pet (1601/5 x ZPL913)F2R5 ciklusa rekombinovanja gena. Ogled sa S1 potomstvom je postavljen po metodu nested dizajna u dva ponavljanja na dve lokacije u toku dve godine (2005 i 2006). Prosečne vrednosti za sva ispitivana svojstva osim sadržaja vlage pri berbi su se povećavale sa brojem ciklusa rekombinacija. Različiti agroekološki uslovi, genotipovi, interakcija familija x lokacija 1 i familija x lokacija 2 uticali su značajno na varijabilnost svih ispitivanih svojstava za populacije. Genetičke i fenotipske varijanse za sva ispitivana svojstva osim mase 1000 zrna su se smanjivale pod uticajem broja ciklusa rekombinacija. Značajno smanjenje nije bilo samo za dužinu klipa, što je posebno značajno za praktično oplemenjivanje. Genetičke varijanse su dovoljno visoke da omoguće uspešno oplemenjivanje. Slično se dešavalo i sa koeficijentima heritabilnosti. .sr
dc.publisherSavez poljoprivrednih inženjera i tehničara, Beograd
dc.rightsopenAccess
dc.sourceJournal of Scientific Agricultural Research
dc.subjectegzotična germplazmasr
dc.subjectheritabilnost kukuruzsr
dc.subjectrekombinacijesr
dc.subjectsvojstvasr
dc.subjectvartijabilnostsr
dc.titleVariability and heritability of yield components in maize populations with exotic germplasmen
dc.titleVarijabilnost i heritabilnost komponenta prinosa populacija kukuruza sa egzotičnom germplazmomsr
dc.typearticle
dc.rights.licenseARR
dc.citation.epage13
dc.citation.issue3
dc.citation.other71(3): 5-13
dc.citation.rankM52
dc.citation.spage5
dc.citation.volume71
dc.identifier.fulltexthttp://aspace.agrif.bg.ac.rs/bitstream/id/1175/2376.pdf
dc.identifier.rcubconv_3458
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_agrospace_2379
dc.type.versionpublishedVersion


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record