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Wood and Cellular Properties of 4 New Hevea Species
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  • Wood and Cellular Properties of 4 New Hevea Species
  • Wood and Cellular Properties of 4 New Hevea Species
저자명
Allwi. Norul Izani Md.,Sahri. Mohd. Hamami,Chun. Su-Kyoung
간행물명
한국가구학회지
권/호정보
2008년|19권 4호|pp.273-282 (10 pages)
발행정보
한국가구학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

Increasing demand for timber and the depletion of natural forest have encouraged utilization of many non-popular species. The understanding of wood properties and behavior is important to evaluate the potential of these species to produce high quality end products. This study determines the anatomical and physical properties of Hevea species viz Hevea pauciflora, Hevea guianensis, Hevea spruceana, Hevea benthamiana and Hevea brasiliensis. Each sample tree was cut into three different portions along the height (bottom- B, middle- M and upper -T parts) and two radial samples (outer- O and inner- I parts). H. brasiliensis clone RRIM 912 exhibited the longest fibre with $1214{mu}m$, followed by H. benthamiana (HB, $1200{mu}m$), H. pauciflora (HP, $1189{mu}m$), H. spruceana (HS, $1158{mu}m$) and H. guianensis (HG, $1145{mu}m$). Fibre length has a positive correlation with specific gravity. The largest fibre diameter ($24.9{mu}m$) and lumen diameter ($12.5{mu}m$) were recorded in H. guianensis. The highest moisture content was obtained from H. spruceana (64.34%) compared to the lowest with 60.01% (Clone RRIM912). The higher moisture content is normally associated with lower strength. Overall, the properties of clone RRIM 912 is found to be comparatively better because of higher strength due to longer fibre length, thicker cell walls and higher specific gravity than the other Hevea species. Therefore, this species can be used as a general utility timber.