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
8(2): 108-110, 2008

ROOTING OF CUTTINGS OF DAHLIA PINNATA CAV.

Krystyna Pudelska

Agricultural University, Institute of Ornamental Plants and Landscape Architecture,
58 Leszczynskiego str., 26-068 Lublin, Poland, Fax: (+ 48 81) 53 382 41**101,
*E-mail: kpudelsk@autograf.pl


Abstract
The demand of flower markets for bedding and balcony plants to decorate private and public gardens was a push and pull factor to find both an easy and effective method to propagate the respective plants. The most popular way of propagation is the use of rooted cuttings. In the conducted experiment the ability to root of five types of stem cuttings collected in the spring from different parts of young shoots sprouting from the crowns of Polish Dahlia cultivars: ‘Balbinka’, ‘Celinka’, ‘Inca’, and ‘Toto’ was assessed. After 5 weeks of culture the percentage of rooted cuttings, the weight of the rooting system, number and length of roots per cutting, the weight of fresh matter of the above ground part and number of leaves per cutting were assessed. For all cultivars, the cuttings ‘with heel’ rooted best (the percentage and quality of rooted cuttings). The cultivars ‘Balbinka’, ‘Celinka’, and ‘Inca’ produced better rooting systems and more leaves except for the cuttings ‘with heel’, on cuttings ‘without heel’ as well as the apical ones with 2-3 pairs of leaves collected from stems with at least 5-6 pairs of leaves and middle-stem ones.

Key words: cuttings, Dahlia pinnata, propagation



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