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Articles containing the keyword 'perforation plates'

Category : Article

article id 5113, category Article

K. M. Bhat, Matti Kärkkäinen. (1981). Wood anatomy and physical properties of wood and bark in Betula tortuosa Ledeb. Silva Fennica vol. 15 no. 2 article id 5113. https://doi.org/10.14214/sf.a15054

Keywords: bark; basic density; wood anatomy; Betula pubescens ssp. czerepanovii; perforation plates

Abstract | View details | Full text in PDF | Author Info

Ten trees of mountain birch (Betula tortuosa Ledeb, now Betula pubescens subsp. czerepanovii) with an average age of 39 years were sampled in northern Lapland in Finland. The average green density of wood was 589 kg/m³ and that of bark 941 kg/m³. The basic densities were 520 kg/m³ and 559 kg/m³, respectively. The basic density increased only little from the pith to the surface. In contrast, the number of bars in the perforation plates of the vessels increased considerably in the same direction. The average number of bars was 17.3.

The PDF includes a summary in Finnish.

Bhat, E-mail: kb@mm.unknown
Kärkkäinen, E-mail: mk@mm.unknown

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