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Poplar
2019, Issue 203, p. 45-51

Original scientific paper
UDC: 582.681.81

Physical Properties of Wood in White Poplar Clone 'L-12' Grown in Republic of Croatia and Serbia


Tomislav Sedlar 1*, Iva Ištok 1, Gordana Orešković 1, Srđan Stojnić 2, Ernest Goršić 1, Bogoslav Šefc 1


1 University of Zagreb, Faculty of Forestry, Svetošimunska cesta 25, 10000 Zagreb, Croatia
2 University of Novi Sad, Institute of Lowland Forestry and Environment, Antona Čehova 13, 21000 Novi Sad, Serbia

Corresponding author:
Tomislav Sedlar, E-mail: tsedlar@sumfak.hr


Abstract

Due to increasing demand for forest products, fast-growing species such as poplars are grown in plantations to a larger extent. The quality of wood raw material depends to a greater extent on its physical properties. The available data on physical and mechanical properties of white poplar wood grown in Republic of Croatia and Serbia are insufficient. In this article, preliminary results on physical properties of white poplar clone 'L-12' wood grown in Republic of Croatia and Serbia are presented. Five representative trees of white poplar clone 'L-12’ from two sites were collected. One is located near the city of Osijek in the Republic of Croatia, within Osijek Podravina forests and the other one is located at Experimental Estate of the Institute of Lowland Forestry and Environment “Kaćka šuma” near the city of Novi Sad in the Republic of Serbia. Both sites are representatives of breeding poplar plantations. The investigations were carried out using only segments with north and south orientation in wood at the breast height of each tree. The results of average values indicate that there is no significant difference in wood density in clone 'L-12' between two sites. There is significant difference in longitudinal, tangential and volume shrinkage and maximal moisture content between sites, but the difference, as far as practice is concerned, is negligible. For a better prediction 


Keywords: physical properties, sites, white poplar clone 'L-12'
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University of Novi Sad
Institute of Lowland Forestry and Environment
Antona Čehova 13d
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Republic of Serbia
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