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Ratarstvo i povrtarstvo
2015, vol. 52, br. 3, str. 108-113
Klijanje paradajza u uslovima sušnog stresa izazvanog PEG-om
Brdar-Jokanović Milkaa ORCID, Zdravković Jasminab ORCID
aNaučni institut za ratarstvo i povrtarstvo, Novi Sad, Srbija
bInstitut za povrtarstvo, Smederevska Palanka, Srbija

e-adresa: milka.brdar@ifvcns.ns.ac.rs
Projekat:
Savremeni biotehnološki pristup rešavanja problema suše u poljoprivredi Srbije (MPNTR - 31005)
Novi koncept oplemenjivanja sorti i hibrida povrća namenjenih održivim sistemima gajenja uz primenu biotehnoloških metoda (MPNTR - 31059)

Sažetak
Cilj ovog istraživanja je bila procena efekata sušnog stresa na klijavost, energiju klijanja i broj dana do završetka klijanja kod petnaest populacija paradajza; utvrđivanje tretmana koji je najpogodniji za klasifikaciju paradajza na osnovu tolerantnosti na sušu u ranim fazama životnog ciklusa; kao i identifikacija populacija koje bi mogle biti iskorišćene za oplemenjivanje. Ogled je podrazumevao kontrolu (klijanje u prisustvu destilovane vode) i rastuće (4, 8 i 12%, w/v) tretmane polietilen-glikolom (PEG). Klijavost i energija klijanja su bili značajno niži u prisustvu PEG-a. Razlike u klijanju među populacijama paradajza su bile najizraženije kod tretmana 12% PEG, stoga se ovaj tretman preporučuje za dalji rad. Međutim, tolerantnost paradajza na sušu u fazi klijanja nije obavezno indikator tolerantnosti na ograničenu obezbeđenost vodom u kasnijim fazama razvoja biljke. Populacija 105 bi se mogla iskoristiti za oplemenjivanje paradajza tolerantnog na sušu.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/ratpov52-8324
objavljen u SCIndeksu: 25.10.2015.
metod recenzije: dvostruko anoniman

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