Comparative effect of IAA, IBA and NAA on rooting of hardwood stem cuttings of Celtis australis Linn.

Abstract

Celtis australis is widely cultivated in Jammu and Kashmir as an agroforestry species mainly for fodder, fuel and small timber. Effect of growth hormone (IAA, IBA and NAA) on hardwood stem cuttings of Celtis australis revealed that IAA and NAA at 100 ppm concentration gave higher rooting per cent (17.33%) and (15.99%) respectively. IBA at 300 ppm concentration gave significantly better results in terms of rooting percentage (23.99), average root number (11.60), average root length (30.54 cm), average plant height (37.70 cm) and average collar diameter (0.45 cm). The encouraging results were not observed in case of IAA, IBA and NAA at 900 ppm concentration.