Uticaj vremena uzimanja reznica i koncentracije IBA na ožiljavanje zelenih reznica drena (Cornus mas L.) - poreklom sa reprezentativnih matičnih stabala na području Beograda

Abstract

U radu je prikazan efekat različitih koncentracija IBA na ožiljavanje jednonodusnih zelenih reznica drena, kao i uticaj tipa reznica i vremena njihovog sakupljanja na procenat i kvalitet ožiljavanja. Korišćena su 4 tipa reznica: bazalne reznice, vršne reznice, bazalne sa delom dvogodišnjeg drveta, vršne sa delom dvogodišnjeg drveta. Pokazano je da koncentracija IBA i tip reznica i vreme njihovog uzimanja značajno utiču na ožiljavanje. Najbolji rezultati su dobijeni korišćenjem 1% IBA, dok je procenat ožiljavanja bio primetno veći u drugom terminu uzimanja reznica, sredinom jula. Najveći procenat ožiljavanja (preko 90%) u oba termina su imale vršne reznice, tretirane sa 1% IBA u prahu.

In this study, the effect of concentration of indole-3-butyric acid (IBA) (powder dip), cutting type as well as the time of taking cuttings on the rooting of softwood cuttings of cornelian cherry was examined. Four types of cuttings were used: basal cuttings, terminal cuttings, basal cuttings with 2-year-old wood and terminal cuttings with 2-year-old wood. The obtained results showed that IBA concentration, cutting type and time of collecting have significant effect on rooting. The best results were obtained using 1% IBA and cuttings collected in the second term (in mid-July) had a higher rooting percentage. Terminal cuttings treated with 1% IBA (powder dip) should be used for optimum results. In that case the rooting percentage was very high (over 90%) in both terms of cuttings collection.