VEGETATIVE PROPAGATION OF Terminalia arjuna (Roxb.) WT. & ARN. BY STEM CUTTINGS UNDER MIST

KUSUM BANJARA¹*, S.L. SWAMY², A.K. SINGH^3
1Department of Forestry, Indira Gandhi Agricultural University, Krishak Nagar, Raipur, Chhattisgarh 492012, India
²Department of Forestry, Indira Gandhi Agricultural University, Krishak Nagar, Raipur, Chhattisgarh 492012, India
³Department Department of Agricultural Statistics, Indira Gandhi Agricultural University, Krishak Nagar, Raipur, Chhattisgarh 492012, India
* Corresponding Author : kusumbanjara017@gmail.com

Received : 05-08-2017     Accepted : 24-10-2017     Published : 30-10-2017
Volume : 9     Issue : 50       Pages : 4847 - 4850
Int J Agr Sci 9.50 (2017):4847-4850

Keywords : Auxins, Clonal multiplication, Multipurpose tree, Plus trees, Tassar silk
Academic Editor : Dr Suresh Kumar, Archana Verma
Conflict of Interest : None declared
Acknowledgements/Funding : The authors acknowledge the facilities provided by the Indira Gandhi Agricultural University, Krishak Nagar, Raipur, Chhattisgarh 492012, India for conducting the research work in the mist chamber. The authors also express the sincere thanks to technical staff for helping in conducting the experiment
Author Contribution : The first author conducted the research experiment and collected the data. Second author prepared and revised the MS, while the third author analyzed the data and prepared the graphics

The effect IBA and NAA concentrations were examined to mass multiply plus trees of Terminalia arjuna (Roxb.) by vegetative propagation via rooting of stem cuttings. The experiment was conducted in a completely randomized design (CRD) with three replications. One-year old leafless branch cuttings were taken from selected superior phenotypes from the surrounding environs of Raipur, Chhattisgarh. Cuttings were treated with 0, 500, 1000, 1500 and 2000 mg L-1 concentrations of Indole 3- Butyric Acid (IBA) and Naphthalene Acetic Acid (NAA) and planted in poly bags kept under a phyto-environmentally controlled mist chamber. A limited rooting was achieved in untreated cuttings (control), while rooting of cuttings of significantly increased with an increase in concentration of IBA and NAA. Among two auxins tested, IBA was most effective in inducing rooting, sprouting and associated traits. Out of different concentrations, 2000 mg L-1IBA concentration was found to be best and achieved over 75% rooting in cuttings. It also triggered more number of roots, higher root length, shoot proliferation, maximum shoot and root biomass. This paper discusses the role of auxins in influencing rooting of stem cuttings. This has a practical implication for the development of protocol for asexual propagation and establishing clonal plantations of Terminalia arjuna for promoting tassar cultivation.

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