ISHS Acta Horticulturae 424: II International Rose Symposium
INFLUENCE OF PROPAGATION MATERIAL AND METHOD ON REGENERATION, GROWTH AND FLOWERING OF CUT ROSE CVS FRISCO AND GABRIELLA |
| Authors: | N. Bredmose, J. Hansen |
| Abstract:
Effects of flowering shoots versus blind shoots, and of propagation by cutting versus grafting on Rosa canina 'Inermis' (stenting method) on regeneration, growth and flowering were studied with the cut rose cultivars 'Korflapei' Frisco® and 'Bergme' Gabriella®. The rose plants, raised from cuttings and scions comprising two five-leaflet-leaves, were subsequently grown in rockwool slabs in a glasshouse with supplementary lighting and cultivated for 20 months. There was no significant difference in root formation percentage for cuttings and scions from blind shoots compared with flowering shoots. Bud growth, initial shoot growth and survival were better from flowering shoots of Frisco, whereas for Gabriella, there were no significant differences. For both cvs blind shoots compared with flowering shoots as propagation material, resulted in an increased production of saleable blooms comprising both first grade (ns) and second grade blooms. As opposed to Frisco, Gabriella had a higher bud growth percentage for stentlings than for cuttings. Plants propagated by cuttings had a better root formation, a higher initial shoot growth and produced more flowers than stentlings. | |
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