ISSN 1311-9109 Journal Content





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International Symposium
on Production and Establishment of Micropropagated Plants
April 19-24, 2015,
Sanremo, Italy


Propagation of Ornamental Plants
10(3): 163-165, 2010

ADVENTITIOUS ROOT FORMATION IN ROHIDA
(TECOMELLA UNDULATA (SM.) SEEM) CUTTINGS

Akbar Karami and Hassan Salehi*

Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz, Iran, *Fax: + 98 (711) 228 6133, *E-mail: hsalehi@shirazu.ac.ir


Abstract
The effect of IBA and NAA on the rooting of Rohida (T. undulata) in the late winter and late autumn was evaluated in order to determine the rooting ability of this species in different seasons. Rooting of T. undulata was seasonal and the response to auxin was uneven between seasons. Both NAA and IBA had significant effect on rooting. In the late winter the results from the experiments were better than the results from the rooting of cutting harvested in the late autumn. During the first period, the application of NAA at the concentration of 0.3% resulted in 82.92 and 89.37% rooted cuttings via semi-hardwood and hardwood cuttings, respectively, whereas IBA at the concentration of 0.4% resulted in 80.61 and 81.65% cuttings rooted via semi-hardwood and hardwood cuttings, respectively.

Key words: cutting types, IBA, NAA, rooting, time of cutting collection, vegetative propagation



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