Vol. 24 No. 1-2 (2018)
Articles

Evaluation of lifespan values of six tree taxa in city streets

Published June 10, 2018
A. Zsiláné-André
University of Debrecen, Institute of Horticulture P.O. Box 36, H-4015 Debrecen, Hungary
L. Zsila
Zsila László Private Enterprise, Debrecen, Hungary
I. J. Holb
University of Debrecen, Institute of Horticulture P.O. Box 36, H-4015 Debrecen, Hungary; Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 102, H-1525 Budapest, Hungary
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APA

Zsiláné-André, A., Zsila, L., & Holb, I. J. (2018). Evaluation of lifespan values of six tree taxa in city streets. International Journal of Horticultural Science, 24(1-2), 25-27. https://doi.org/10.31421/IJHS/24/1-2./1543

The aim of this study was to evaluate lifespan values of trees in tree-row system in the streets of Debrecen in two years (2009 and 2017). Six selected taxa (Pyrus calleryana, Acer tataricum, Sorbus intermedia, Magnolia kobus, Acer platanoides and Crataegus x lavalleei) were estimated for the following lifespan parameters: i) trunk diameter (cm), ii) tree crown size (m), iii) trunk status (in 0-5 grades), iv) tree crown status (in 0-5 grades), and v) estimated tree viability (in 0-5 grades). Our results showed that the largest were achieved for Pyrus calleryana and the lowest for Acer tataricum. The largest tree crown diameters were achieved for Acer platanoides and the lowest Magnolia kobus. The best trunk statuses by 2017 were achieved for Pyrus calleryana and the worst Crataegus x lavalleei. The best tree crown statuses by 2017 were achieved for Pyrus calleryana and the worst for Acer tataricum. The best estimated tree viability status was achieved for two taxa (Pyrus calleryana and Acer platanoides). Overall tree values were 2.73 times higher in 2017 compared to 2009. In summary, this study demonstrated the role of appropriate choice of tree taxa for a tree-row system under city street conditions.

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