ISSN 1311-9109 Journal Content





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


Propagation of Ornamental Plants
11(2): 78-90, 2011

ADVENTITIOUS ROOT FORMATION in ORNAMENTAL PLANTS:
I. GENERAL OVERVIEW AND RECENT SUCCESSES

Gunamani Oinam1, Edward Yeung1*, Leonid Kurepin2,
Tegan Haslam1,3, and Arturo Lopez-Villalobos1

1Department of Biological Sciences, University of Calgary, Calgary,
Alberta, Canada T2N1N4
2
Department of Biology, University of Western Ontario, London, Ontario, Canada
N6A 5B7, *Fax: + 1 403-289-9311, *E-mail: yeung@ucalgary.ca
3
Present address, Department of Botany, 3529-6270 University Blvd., University
of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4


Abstract
Adventitious rooting is an essential step in the vegetative propagation of plants for forestry, horticulture, and agriculture. In this review, we document examples of recent, successful induction of adventitious root growth in a wide variety of ornamental species. Uses of plant growth regulators and growth media are summarized in tables. We discuss the in vitro and in vivo processes of adventitious root formation, and provide a special focus on the structural ontogeny of adventitious roots. We also discuss possible causes of recalcitrance to adventitious rooting. Our intention is that the present work will serve as a convenient and up-to-date source of information for ornamental plant propagation.

Key words: adventitious roots, micropropagation, microshoots, ornamental plants, recalcitrance to rooting, stem cuttings



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