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2016, vol. 22, br. 1, str. 17-25
Efekat prajminga semena na vigor i početni porast klijanaca kukuruza pri optimalnim i suboptimalnim temperaturnim uslovima
Naučni institut za ratarstvo i povrtarstvo, Novi Sad

e-adresapetar.canak@ifvcns.ns.ac.rs
Projekat:
Projekat Ministarstva nauke Republike Srbije, br. TR 1661056

Ključne reči: Zea mays; hidroprajming; KNO3 prajming
Sažetak
Niske temperature imaju negativan uticaj na parametre klijanja i početni porast klijanca. Prajming semena predstavlja tretman kojim se seme delimično hidrira tako da se inicira proces klijanja, a zatim suši kako bi se klijanje zaustavilo pre izbijanja korenka iz semena. Cilj ovog eksperimenta bio je da se ispita uticaj različitih prajming tretmana na vigor i porast klijanca kukuruza u različitim temperaturnim uslovima. Prajming semena izvršen je sa vodom (hidroprajming) i KNO3 rastvorom (0,1% i 0,5%) na temperaturi 25°C u trajanju od 17 h. Seme je naklijavano na 25°C, 15/25°C i 15°C. Pozitivniji efekat prajminga utvrđen je pri suboptimalnim (15°C i 15/25°C) nego pri optimalnim temperaturnim uslovima. Kao najbolji, pokazao se tretman sa rastvorom 0,5% KNO3 uvećavši posmatrane parametre na suboptimalnoj temperaturi. Ovi rezultati ukazuju da je primenom prajminga sa rastvorom KNO3 moguće poboljšati vigor semena i početni porast ponika kukuruza pri suboptimalnim temperaturama, odnosno, obezbediti sigurnije nicanje pri ranim rokovima setve.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/SelSem1601017C
objavljen u SCIndeksu: 01.09.2016.
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