Turkish Journal of Agriculture and Forestry

Impregnation Treatments and Anatomical Properties of the Wood of Regional Grown Douglas Fir (Pseudotsuga menziesii (Mirb) Franco)




Impregnation of Douglas fir wood of the native regional grown type (Tonya-Trabzon Olmympia: A2 origin) were subjected in this study aimed at effective industrial usages of the wood as an exotic and rapid grown species. Result indicated that, douglas fir wood originated from Olmpia: A2 (Tonya district in Trabzon) is somewhat at lower density and having higher lumen volume than European and American douglas types (P. taxifolia). Treatments with aqeous and PEG-400 solutions of boron compounds and/or some water repellents confirmed the exectation of easy penetration and diffusion into the dry wood by vacuum-diffusion process based on the determined anatomical and physical properties.

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