ISSN 1311-9109 Journal Content





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


Propagation of Ornamental Plants
7(4): 195-198, 2007

EFFECTS OF DIFFERENT SUBSTRATES ON ACCLIMATIZATION OF
ECHINODORUS IN VITRO PLANTS IN GREENHOUSE CONDITIONS

Ina Pinker1*, Gjok Vuksani2, Rainer Dietz3, and Michael Böhme1

1Humboldt-University of Berlin, Institute of Horticultural Sciences, A. Thaer-Weg 1, D-14195 Berlin, Germany, *Fax: 0049-30-31471100, *E-mail: ina.pinker@rz.hu-berlin.de
2Agricultural University of Tirana, Department of Horticulture, Kamenz Tirana, Albania
3Fa. Rainer Dietz, Allee der Kosmonauten 16, D-10315 Berlin, Germany


Abstract
Organic substrates (Coconut fiber, Peat, ‘Toresa’ Wood fibers), mineral substrates (Rockwool types ‘Grodan’ and ‘Pargro’ and Perlite) and a synthetic substrate (Polyurethane Foam ‘Aggrofoam’) have been used in a recirculating nutrient solution system (Deep-flow-technique) for acclimatization of in vitro plants of Echinodorus aschersonianus Graebner, a tropical aquarium plant. Plant survival and growth were influenced by the substrate used. For evaluation of plant growth leaf number, length of the largest leaf, root length, leaf and root dry weight were determined. Plant development was similar on the commonly used Rockwool (‘Pargro’ and ‘Grodan’), Peat, ‘Toresa’ Wood fibers and Aggrofoam. On Coconut fibers, the plants were significantly taller and more vigorous. On Perlite, the plant growth was clearly inhibited.

Key words: coconut fiber, peat, perlite, polyurethane foam, rockwool, wood fiber



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