Comparative Wood Anatomy of Branch and Trunk Wood of Some Forest Trees
Abstract
The anatomical, physical and mechanical differences between stem and branch wood in forest trees have been
known for many years. Anatomical studies in Turkey have mainly focused on stem wood with little attention on
branch wood. However stem and branch woods differ significantly for vessel or tracheid frequency, vessel or
tracheid’s tangential and radial diameter, ray frequency, ray width and ray height etc. In this study, stem and
branch woods of Pinus brutia, Alnus glutinosa, Juglans regia and Robinia pseudoacacia species were compared
for some of the anatomical properties. For P. brutia, the tangential and radial tracheid diameters are narrower and
the number of tracheids per mm2
is higher in the branch wood compared to the stem wood. Similarly, the
tangential and radial diameters of vessels are narrower and vessel frequencies are higher in the branch woods
compared to the stem woods for A. glutinosa, J. regia and R. pseudoacacia. Ray widths of P. brutia, J. regia and
R. pseudoacacia are narrower in branches than in stems. But for A. glutinosa ray width is narrower in stem wood.
In branch woods of P. brutia and R. pseudoacacia, ray frequency is higher than in stem wood. In the other two
species, there is no statistically significant difference between branch and stem wood in terms of ray frequency.
In all species examined, ray height is shorter in branch wood, with some exceptional example trees.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
Türkçe
Konular
-
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
1 Aralık 2017
Gönderilme Tarihi
22 Kasım 2017
Kabul Tarihi
24 Kasım 2017
Yayımlandığı Sayı
Yıl 2017 Cilt: 19 Sayı: 2