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Anatomical Characteristics of Acacia spp. from Vietnam
( Alvin Muhammad Savero ),( Jong-ho Kim ),( Byantara Darsan Purusatama ),( Denni Prasetia ),( Se-hwi Park ),( Nam-hun Kim ) 한국목재공학회 2022 한국목재공학회 학술발표논문집 Vol.2022 No.2
To investigate and compare the anatomical characteristics of Acacia spp. (Acacia mangium and Acacia hybrid) from Vietnam, the anatomical characteristics were observed by optical microscopy connected to an image analysis system and analyzed according to the IAWA list for hardwood identification. Both wood species had different bark surface characteristics in color and roughness. Heartwood-sapwood color and microscopic features of both species were similar. Both species showed differences in cell dimension such as vessel diameter and vessel number.
( Alvin Muhammad Savero ),( Imam Wahyudi ),( Istie Sekartining Rahayu ),( Andi Detti Yunianti ),( Futoshi Ishiguri ) 한국목재공학회 2020 목재공학 Vol.48 No.5
Muna teakwood, especially from old stands, has been popular as raw material for timber industries in Indonesia for the past ten decades. Due to the scarcity of this wood, superior-grown seedlings of Muna teakwood have been developed and widely planted. Since there is no information on its characteristics, therefore, the aim of this research was to investigate wood characteristics of the 8-year-old superior-grown teak from Muna Island to ensure their proper utilization as raw material for wooden furniture. Wood discs and boards from basal area of three different trees were used as the samples. Macroscopic and microscopic anatomical characteristics were observed following the IAWA's list, while their physicalmechanical properties were measured following British Standard 373-57. Results showed that anatomical characteristics of this wood sample are similar to regular teakwood, but its heartwood portion is higher. Differences among trees are found in regards to wood texture, growth ring width, as well as early and latewood portion. The green moisture content was lower than that of fast-growing teak of a similar age. The wood is more stable than the old teakwood, but its specific gravity is lower. In general, mechanical properties of this wood were higher than those of the regular fast-growing teakwood, but lower than the old one. Based on its specific gravity, this superior Muna teakwood was categorized as a Strength Class of III. The wood is suitable enough for wooden furniture manufacturing.
Anatomical characteristics of Acacia mangium and Acacia hybrid from northern Vietnam
Alvin Muhammad Savero,Jong-Ho Kim,Byantara Darsan Purusatama,Denni Prasetia,Se-Hwi Park,Nam-Hun Kim 강원대학교 산림과학연구소 2022 강원대학교 산림과학연구소 학술대회 Vol.2022 No.10
Korea imports wood from Southeast Asia, North America, South America, China, Vietnam, etc. Korea also has been planted in 14 countries by 34 companies for overseas plantation, including Vietnam. Vietnam is the second biggest Korean overseas plantation country among the 14 countries. Acacia mangium and Acacia hybrid are the dominant species in the Vietnam plantation forest. There is still needed on the information of the wood quality of A. mangium and A. hybrid growing in Vietnam for further effective utilization of both species. Therefore, this study aimed to investigate and compare the anatomical characteristics of Acacia mangium and Acacia hybrid from northern Vietnam. The anatomical characteristics of both species were observed using optical microscopy and evaluated according to the International Association of Wood Anatomist list for hardwood identification. The results of this study will be presented in the oral presentation at the International Symposium.