The influence of growth regulators upon the in vitro propagation of Hedera helix L. Dark Pittsburgh and Kolibri
Marcinek, B. | Hetman, J. | Witek, M.(Akademia Rolnicza, Lublin (Poland). Katedra Roslin Ozdobnych)
The subject of the examination was the influence of cytokinine (BA, Kinetyna and 2iP) upon the propagation of Hedera helix L. sprouts of the cultivars: Dark Pittsburgh and Kolibri in the in vitro cultures. Both cultivars gave the greatest number of: angular sprouts upon the MS medium complemented with BA in a dose of 2 mg/cubic dm + NAA 0.5 mg/cubic dm. The length increase of the sprouts was most strongly influenced by Kinetine used in the concentration of 0.5-2 mg/cubic dm and also BA in low concentrations 0.5-1 mg/cubic dm. As the coefficient of propagation is rather low, the most efficient method of Hedera propagation is the stimulation of length increase of sprouts and them into one-node fragments. With the use of the control medium complemented with NAA 0.5 mg/cubic dm all the explants have taken roots
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