Indian Journal of Science and Technology

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Anatomical Structural Differences between Branch and Trunk in Ailanthus altissima Wood


Affiliations
1 Department of Wood and Paper, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Department of Wood and Paper Science and Technology, Chalous Branch, Islamic Azad University, Mazandaran, Iran
 

Wood fiber dimensions such as length, diameter, lumen width, cell wall thickness, Runkel ratio, slenderness ratio, flexibility ratio of Ailanthus altissima were investigated from wood of trunk and branches. In trunk wood, the length, diameter, lumen width, cell wall thickness, Runkel ratio, slenderness ratio, flexibility ratio were 940±167, 22.8±4.63, 16.16±4.69, 3.34±1.18, 0.46±0.21, 42.97±11.57, 70.12±9.97 μm respectively, whereas for branch wood the corresponding values were 594±134, 17.81±3.53, 12.78±3.71, 2.49±0.6, 0.38±0.26, 35.31±11.03, 70.70±9.81 μm respectively. Fiber dimensions of A. altissima are in the normal range for hardwoods. The morphology of fibers and its fiber indices from the A. altissima wood is reasonably good for the purpose of paper manufacturing. The short length and thin walled fibers may be expected to give relatively dense papers which are weak in tearing strength, but are superior in burst and tensile properties.

Keywords

Ailanthus altissima , Wood Anatomy, Runkel Ratio
User

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  • Anatomical Structural Differences between Branch and Trunk in Ailanthus altissima Wood

Abstract Views: 431  |  PDF Views: 153

Authors

Ahmad Samariha
Department of Wood and Paper, Science and Research Branch, Islamic Azad University, Tehran, Iran
Majid Kiaei
Department of Wood and Paper Science and Technology, Chalous Branch, Islamic Azad University, Mazandaran, Iran
Mohammad Talaeipour
Department of Wood and Paper, Science and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad Nemati
Department of Wood and Paper, Science and Research Branch, Islamic Azad University, Tehran, Iran

Abstract


Wood fiber dimensions such as length, diameter, lumen width, cell wall thickness, Runkel ratio, slenderness ratio, flexibility ratio of Ailanthus altissima were investigated from wood of trunk and branches. In trunk wood, the length, diameter, lumen width, cell wall thickness, Runkel ratio, slenderness ratio, flexibility ratio were 940±167, 22.8±4.63, 16.16±4.69, 3.34±1.18, 0.46±0.21, 42.97±11.57, 70.12±9.97 μm respectively, whereas for branch wood the corresponding values were 594±134, 17.81±3.53, 12.78±3.71, 2.49±0.6, 0.38±0.26, 35.31±11.03, 70.70±9.81 μm respectively. Fiber dimensions of A. altissima are in the normal range for hardwoods. The morphology of fibers and its fiber indices from the A. altissima wood is reasonably good for the purpose of paper manufacturing. The short length and thin walled fibers may be expected to give relatively dense papers which are weak in tearing strength, but are superior in burst and tensile properties.

Keywords


Ailanthus altissima , Wood Anatomy, Runkel Ratio

References





DOI: https://doi.org/10.17485/ijst%2F2011%2Fv4i12%2F30306