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Factors Influencing Rootability of Dracaena Cuttings

Research Abstract
Dracaena marginata, Lam. Cuttings (tip, middle and basal) were treated with certain growth regulators (IAA,IBA and NAA), each applied individually at 1000 ppm as a powder, beside control treatment to define the most effective combination of auxin and cutting types stimulating the rootability.The highest percentage of rooted cuttings was resulted from IBA (73%) fol-lowed by IAA (46%) and NAA (32%). Tip-shoot cuttings showed the maximum rooting percentage (46%), while basal cuttings resulted in the minimum rooting percentage, however, middle cuttings appeared intermediate responses. Also, IBA produced higher number and shorter roots th an IAA. Similarly, basal cut-tings produced the highest root number and formed the shortest roots. Generally, tip-shoot cuttings treated with IBA 1000 ppm proved to be more effective treatment enhancing the rooting percentage (88%) and improving root characteristics.
Research Authors
F. K. Attia, I. H. El-Sallami, M. M. Gad, E. Y. Abdul-Hafeez
Research Department
Research Journal
Assiut J. Agric. Sci.
Research Pages
71-79
Research Publisher
Faculty of Agriculture, Assiut University
Research Rank
2
Research Vol
Vol. 46, No. 2
Research Website
http://www.aun.edu.eg/faculty_agriculture/arabic
Research Year
2015