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Statements

Subject Item
n2:GA206%2F08%2F1126
rdf:type
n20:Projekt
rdfs:seeAlso
http://www.isvav.cz/projectDetail.do?rowId=GA206/08/1126
dcterms:description
Cílem je objasnit mechanismy hybridizace mezi ploidními úrovněmi u modelové skupiny Centaurea sect. Jacea. Bude studována zejména role neredukovaných gamet (četnost, variabilita mezi jedinci a populacemi) a další podceňované aspekty koexistence diploidů a polyploidů, např. kompetice pylových zrn. Centaurea sect. Jacea is polyploid complex with diploids and tetraploids occurring sometimes in mixed populations. Reproductive barrier between them is strong, but incomplete. Unreduced gametes are involved in inter-ploidy crosses. It makes the sect. Jacea suitable model for a study of establishment of polyploids.Despite a lot of polyploidy studies only few of them are detailed enough to be comparable with theoretical models. The main goal of our project is thus quantitative study of (i) hybridization between the ploidy levels in the sect. Jacea and (ii) variation of frequencies of unreduced gametes, which is usually not evaluated, but which can have major impact on polyploid formation and establishment. We will also focus on other processes, which are often neglected, although they can be important in polyploid complexes, e.g. competition of pollen of different ploidy levels. Results of the project will bring new insights in polyploid evolution and diploid-polyploid coexistence and they will also contribute to solution of taxonomic problems in Centaurea sect. Jacea.
dcterms:title
Hybridization between ploidy levels and the role of unreduced gametes in polyploid complex Centaurea sect. Jacea (Knapweeds) Hybridizace mezi ploidními úrovněmi a role neredukovaných gamet u polyploidního komplexu Centaurea sect. Jacea (chrpa)
skos:notation
GA206/08/1126
n3:aktivita
n4:GA
n3:celkovaStatniPodpora
n12:celkovaStatniPodpora
n3:celkoveNaklady
n12:celkoveNaklady
n3:datumDodatniDoRIV
2015-03-02+01:00
n3:druhSouteze
n17:VS
n3:duvernostUdaju
n18:S
n3:fazeProjektu
n11:91495187
n3:hlavniObor
n7:EF
n3:hodnoceniProjektu
n22:U
n3:kategorie
n21:ZV
n3:klicovaSlova
Centaurea; polyploidie; hybridizace; neredukované gamety; průtoková cytometrie
n3:partnetrHlavni
n8:orjk%3A12310
n3:pocetKoordinujicichPrijemcu
0
n3:pocetPrijemcu
1
n3:pocetSpoluPrijemcu
0
n3:pocetVysledkuRIV
4
n3:pocetZverejnenychVysledkuVRIV
4
n3:posledniUvolneniVMinulemRoce
2011-04-16+02:00
n3:prideleniPodpory
n9:206%2F08%2F1126
n3:sberDatUcastniciPoslednihoRoku
n19:2011
n3:sberDatUdajeProjZameru
n19:2012
n3:soutez
n13:SGA02008GA-ST
n3:statusZobrazovaneFaze
n16:DUU
n3:typPojektu
n10:P
n3:ukonceniReseni
2011-12-31+01:00
n3:zahajeniReseni
2008-01-01+01:00
n3:zhodnoceni+vysledku+projektu+dodavatelem
The project gone according to plan both in terms of expertise and in terms of disbursement of funds. Řešení projektu proběhlo podle plánu jak z hlediska odborného tak i z hlediska čerpání finančních prostředků.
n3:zivotniCyklusProjektu
n14:ZBBKU
n3:klicoveSlovo
neredukované gamety polyploidie Centaurea hybridizace