Investigation of physiological factors affecting propagation of the indigenous ornamental plants yew (Taxus baccata L.) and strawberry tree (Arbutus unedo L.)
Abstract
Taxus baccata L. (yew) and Arbutus unedo L. (strawberry tree) are native shrubs in Greece and, recently, there is an increasing demand for these species in the market due to their use in landscaping, flower arrangement and plantations alongside the national roads. In addition, plant parts in yew contain taxol, an alkaloid, which is used as a medicine against cancer. For these reasons a study was undertaken to improve propagation through cuttings in these two plant species. The influence of growth regulators (IBA or K-IBA) on rooting was examined and their optimal concentrations were determined. Furthermore, the effect of cutting type, genotype, wounding, rooting medium and rooting system, supplementary lighting and harvesting season on rooting of Taxus and Arbutus cuttings were evaluated. In addition, the role of different rooting growth regulators and various genotypes on peroxidase and phosphatase activity modification and isoenzyme pattern during rooting were examined. The treatment ...
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