Propagation of <i>Ulmus wallichiana</i> from Divergent Sources of North India

Anita Tomar; Dinesh Kumar

doi:10.36808/if/2018/v144i12/141852

Propagation of Ulmus wallichiana from Divergent Sources of North India

Authors

Anita Tomar Forest Research Centre for Eco-rehabilitation, Allahabad
Dinesh Kumar Forest Research Centre for Eco-rehabilitation, Allahabad

DOI:

https://doi.org/10.36808/if/2018/v144i12/141852

Keywords:

Ulmus wallichiana, Threatened species, Branch cuttings, IBA, Germplasm.

Abstract

Effectiveness of indole-3-butyric acid (IBA) has been examined in adventitious root formation in branch cuttings of Ulmus wallichiana, a threatened species. Cuttings were collected from different districts (covering states of Uttarakhand, Himachal Pradesh and Jammu and Kashmir) during the month of March. Four IBA treatments viz. 4000 ppm, 5000 ppm, 6000 ppm and 7000 ppm, in addition to control, were tested in four replications. Data on callus formation, rooting and plant per cent were recorded after twelve weeks of planting. Among all germplasm collections and IBA concentrations, the maximum rooting was 41.3 per cent recorded with 6000 ppm IBA for Mukteshwar (Nainital) and with 7000 ppm IBA for Munsyari (Pithoragarh) while the minimum rooting, excluding control, was 26.3 per cent for Bijoriya (Bageshwar) at 4000 ppm IBA. The plant percentage ranged from minimum 23.8 per cent to maximum 35.0 per cent. Without IBA, the rooting success was zero to 2.50 per cent. In view of similar rooting response of diverse germplasm, it was inferred that this species can be reliably propagated through branch cuttings with use of 6000 ppm IBA regardless of source of germplasm.

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