Comparative surveys on vegetative organs of Hungarian ash (Fraxinus angustifolia Vahl subsp. danubialis Pouzar) and Common ash (Fraxinus excelsior L.)
Ádám Silnicki, Gergely Zagyvai & Dénes Bartha
Correspondence: Silnicki Ádám
Postal address: H-9400 Sopron, Bajcsy-Zsilinszky E. u. 4.
The aim of present study was to discover the morphological variety of vegetative organs of two native Fraxinus species (F. excelsior, F. angustifolia ssp. danubialis) and to separate different taxa and hybrids through their vegetative morphological characteristics. Studied populations were originated from Rábaköz-Répce-plain area, Sopron-Hills and Gemenc. During statistical analysis multivariate statistical methods were applied such as Principal Component Analysis (PCA) and Principal Coordinates Analysis (PCoA) to demonstrate the correspondences between morphological characteristics and specimens. As a result of statistical analyses F. excelsior specimens separated significantly from the sample group consisted of specimens identified F. angustifolia ssp. danubialis and hybrids. Most of measured morphological variables proved to be highly distinctive in the case of above mentioned two sample groups, if they were applied collectively. Strongest distinctive features between F. excelsior and mixed group were the width variables of leaflets and leaflet teeth density, although these variables proved to be unsuitable for separation of hybrids.
Keywords: Fraxinus excelsior, Fraxinus angustifolia subsp. danubialis, compound leaves, morphological survey, hybridization
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Cite this article as:
Silnicki, Á., Zagyvai, G. & Bartha, D. (2016): Comparative surveys on vegetative organs of Hungarian ash (Fraxinus angustifolia Vahl subsp. danubialis Pouzar) and Common ash (Fraxinus excelsior L.). Bulletin of Forestry Science, 6(2): 115-125. (in Hungarian) DOI: 10.17164/EK.2016.009
Volume 6, Issue 2
27 September 2016
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