Radial flow of Bornmullerian fir (Abies bornmulleriana Mattf.) as affected by wood tapering and the condition of end wall structure of uniseriate ray parenchyma cells

IRG/WP 08-40441

I Usta, S Aslan

Amenability to radial permeability of Bornmullerian fir (Abies bornmulleriana Mattf.) was studied on the base of the effects of wood tapering and the structure of end walls of uniseriate ray parenchyma cells. The results showed that the most remarkable culprits of the greatest fluid uptake (as the percentage of void volume filled by the fluid in the radial flow direction, RVVF%) are the lesser wood tapering and a slight inclination of the end walls. It was also noticed that the thinner end walls having the larger apertures of the simple pits influence to RVVF%. It could be therefore stated that both wood tapering and the situation of the end walls of uniseriate ray parenchyma cells were the most important factors for regulating radial flow for Bornmullerian fir.


Keywords: fir, radial permeability, wood tapering, ray parenchyma, end wall

Conference: 08-05-25/29, Istanbul, Turkey


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