Show simple item record

Variranje sadržaja fitinskog i neorganskog fosfora u listovima i semenu populacija kukuruza

dc.creatorDragičević, Vesna
dc.creatorKovačević, Dragan
dc.creatorSredojević, Slobodanka
dc.creatorDumanović, Zoran
dc.creatorMladenović Drinić, Snežana
dc.date.accessioned2019-05-16T12:11:40Z
dc.date.available2019-05-16T12:11:40Z
dc.date.issued2010
dc.identifier.issn0534-0012
dc.identifier.urihttp://rik.mrizp.rs/handle/123456789/319
dc.description.abstractThe phytate function in plants is still not completely understood: it is the primary storage P form in seeds that is utilized during germination and early seedling development. Approaches to resolve problem of the bad nutritive quality of grain phytate include engineering of crops with reduced levels of seed phytic acid. The objective of this study was to investigate genetic variability and correlation of phytic (Pphy) and inorganic phosphorus (Pi) and soluble proteins among 28 maize populations, consisted into three groups: low-, intermediate- and high-phytic populations, with the aim to determine the potential of enhancing the P profile of maize plants and high grain yield through selection. The highest genetic variability of Pi and Pphy content in leaves was expressed in group with intermediate Pphy content in grain. Meanwhile, leaves of low-phytic populations were characterized with low Pphy, too (averagely 18%) and high content of soluble proteins (averagely 15%) in relation to high- and intermediate-phytic populations. Additionally, the lowest genetic variability of protein content was also noticeable in leaves of low-phytic populations. Positive correlation between Pi and protein content was observed in leaves of low- and high-phytic populations. The negative correlation between Pphy and Pi was detected in maize grain, but correlation was significant only in intermediate-phytic group. The highest, but not significant, average yield was observed in group of low-phytic populations, as well as its relative high genetic variability. That indicates that development of high yielding genotypes with lower phytate in grain is reasonable, and could be potentially useful in enhancing the sustainability and decreasing of environmental impact in agricultural production.en
dc.description.abstractUloga fitata u biljkama još nije potpuno razjašnjena: on predstavlja prevashodno skladišnu P formu u semenu, koja se koristi tokom klijanja i ranog rasta klijanaca. Antinutritivni kvalitet fitata iz zrna je inicirao rad na inženjeringu biljnih vrsta sa smanjenim nivoom fitinske kiseline u zrnu. Cilj ovog rada je da se ispita genetska varijabilnost i korelacije između fitinskog (Pphy) i neorganskog fosfora (Pi), kao i rastvorljivih proteina kod 28 populacija kukuruza, podeljenih u tri grupe: nisko, srednje i visoko fitinske, da bi se utvrdio potencijal poboljšanja P profila kod kukuruza, uz visok prinos preko selekcije. Najveća genetska varijabilnost Pi i Pphy je bila ispoljena u listovima kukuruza populacija sa srednjim nivoom fitata u zrnu. Međutim, nisko fitinske populacije su pored niskog sadržaja Pphy u listovima (prosečno za 18%) imale i viši nivo rastvorljivih proteina (prosečno za 15%), u odnosu na visoko i srednje fitinske populacije. Takođe, najniža genetska varijabilnost u sadržaju proteina je bila prisutna u listovima nisko fitinskih populacija. Pozitivna korelacija između Pi i proteina je bila uočena u listovima nisko i visoko fitinskih populacija. Negativna korelacija između Pphy i Pi je bila uočena u zrnu kukuruza, ali je bila značajna samo u grupi srednje fitinskih populacija. Najveći prosecan prinos, ali ne značajno, je bio prisutan kod nisko fitinskih populacija, uz najveću genetsku varijabilnost. Ovo ukazuje na mogućnost razvijanja visokoprinosnih genotipova sa niskim nivoom fitata u zrnu, što bi moglo biti potencijalno korisno sa aspekta održivosti i smanjenja uticaja okoline na poljoprivrednu proizvodnju.sr
dc.publisherDruštvo genetičara Srbije, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/20114/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceGenetika
dc.subjectinorganic phosphoorusen
dc.subjectmaize populationsen
dc.subjectphytic phosphorusen
dc.subjectsoluble proteinsen
dc.titleThe variation of phytic and inorganic phosphorus in leaves and grain in maize populationsen
dc.titleVariranje sadržaja fitinskog i neorganskog fosfora u listovima i semenu populacija kukuruzasr
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.volume42
dc.citation.issue3
dc.citation.spage555
dc.citation.epage563
dc.citation.other42(3): 555-563
dc.citation.rankM24
dc.identifier.wos000286115300017
dc.identifier.doi10.2298/GENSR1003555D
dc.identifier.scopus2-s2.0-79957686047
dc.identifier.fulltexthttp://rik.mrizp.rs//bitstream/id/2251/317.pdf
dc.type.versionpublishedVersion


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record