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Populacije kukuruza kao izvor adaptabilnosti na klimatske promene

dc.creatorAnđelković, Violeta
dc.creatorRistić, Danijela
dc.creatorBabić, Vojka
dc.creatorDumanović, Zoran
dc.creatorKravić, Natalija
dc.date.accessioned2019-05-16T12:20:12Z
dc.date.available2019-05-16T12:20:12Z
dc.date.issued2016
dc.identifier.issn1821-3944
dc.identifier.urihttp://rik.mrizp.rs/handle/123456789/657
dc.description.abstractPredictions of global warming point out that frequency and severity of temperature and rainfall extremes are expected to increase in the following decades. Yield stability could be achieved by improvement in future breeding based on information of cereal reproduction under changed environmental conditions. Landraces are valuable sources of beneficial alleles, e.g. tolerance to drought and improved grain yield, for introgression into adapted germplasm. Twenty-six drought tolerant maize landraces, selected among gene bank accessions and previously tested under controlled drought conditions and in temperate climate, were evaluated, at two sites and two plant densities in Zemun Polje. Since 2014 was with enormous rainfalls and flooding, morphological and agronomical traits were measured. Obtained data, together with the results from dry 2012, were plotted for principal component analysis. One local landrace and two introduced landraces, medium in maturity, were selected according to PC analysis and achieved grain yield that was stable across different climatic conditions.en
dc.description.abstractProcenjuje se da će u narednim decenijama, usled globalnog zagrevanja, doći do učestalije pojave ekstremnih temperatura i padavina. Ostvarivanje stabilnih prinosa u budućim programima oplemenjivanja zavisiće od informacija o mogućnostima reprodukcije useva u promenjenim uslovima spoljašnje sredine. Populacije predstavljaju dragocen izvor poželjnih alela (npr. za tolerantnost prema suši i poboljšanje prinosa) za introgresiju u adaptiranu germplazmu. Dvadeset šest populacija kukuruza, tolerantnih na sušu, odabranih iz banke gena i prethodno testiranih u uslovima kontrolisanog stresa suše, kao i u umerenom klimatu, testirane su na dva lokaliteta i u dve različite gustine u Zemun Polju. U 2014. godini koju su obeležile velike količine padavina i poplave, merena su morfološka i agronomska svojstva. Dobijeni podaci, zajedno sa podacima iz sušne 2012. godine obrađeni su PCA metodom (analiza glavnih komponenti). Jedna lokalna i dve introdukované, srednjestasne populacije, odabrane su na osnovu PC analize i ostvarenog prinosa zrna, koji je bio stabilan bez većih variranja, u različitim uslovima spoljašnje sredine.sr
dc.publisherInstitut za ratarstvo i povrtarstvo, Novi Sad
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31068/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceRatarstvo i povrtarstvo
dc.subjectadaptationen
dc.subjectclimatic changeen
dc.subjectdroughten
dc.subjectlandracesen
dc.subjectmaizeen
dc.subjectPCAen
dc.subjectprincipal component analysisen
dc.subjecttoleranceen
dc.subjectadaptabilnostsr
dc.subjectanaliza glavnih komponentisr
dc.subjectklimatske promenesr
dc.subjectkukuruzsr
dc.subjectPCAsr
dc.subjectpopulacijesr
dc.subjectsušasr
dc.subjecttolerantnostsr
dc.titleMaize landraces as a source of adaptation to climatic changeen
dc.titlePopulacije kukuruza kao izvor adaptabilnosti na klimatske promenesr
dc.typearticle
dc.rights.licenseBY
dc.citation.volume53
dc.citation.issue1
dc.citation.spage24
dc.citation.epage29
dc.citation.other53(1): 24-29
dc.citation.rankM51
dc.identifier.doi10.5937/ratpov53-9138
dc.identifier.fulltexthttp://rik.mrizp.rs//bitstream/id/2600/655.pdf
dc.type.versionpublishedVersion


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