Wood anatomy and fiber biometry of pomegranate wood (Punica granutum L.) in a radial and longitudinal direction of tree

Document Type : Research Paper

Authors

1 Department wood and paper

2 Assistant Professor, Department of Wood and Paper Science & Technology, Faculty of Natural Resources, University of Tehran, Karaj, Iran

10.22034/ijwp.2023.555692.1553

Abstract

In this report, fiber biometry and microscopic features of pomegranate wood were discussed. For this purpose, pomegranate trees were selected and cut from the gardens of Neka city (Mazandaran province). Three discs of 5 cm thickness were prepared at breast height, 2.5 m height, and 3.5 m height. In the transverse direction, the test specimens were cut 2 × 2 cm to 3 cm from the pith to the bark sequentially and were examined. Fiber biometric properties including fiber length, fiber lumen diameter, fiber diameter and cell wall thickness were measured. Also, the anatomical properties of pomegranate wood were studied according to the IAWA list of microscopic features for hardwood identification using a light microscope. Wood anatomical features of pomegranate are as follows: diffuse-porous with multiple vessel groupings in the radial direction (in most cases), homogenous rays, simple perforation plates, alternate intervessel pits, the average length of vessel elements shorter than 350 microns. The results of fiber biometrics showed that there is a significant difference in the length of fibers, the diameter of fibers, the diameter of fiber lumina, and the thickness of the cell wall of the fibers, both in the radial, and in the longitudinal direction of the pomegranate tree stem. So that the biometric properties of the fibers increased from the pith to the bark. The average fiber length, fiber lumen diameter, fiber diameter and cell wall thickness of the fibers were measured as 0.75 mm, 22.5 µm, 18.3 µm and 4.2 µm, respectively.

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References

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Iranian Journal of Wood and Paper Industries
Volume 13, Issue 4
March 2023
Pages 487-496

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