[논문]국내 유통 합판의 수종식별을 위한 해부학적 특성 분석

LEE, Hyun Mi; JEON, Woo Seok; LEE, Jei Wan

doi:10.5658/wood.2021.49.6.574

국내 유통 합판의 수종식별을 위한 해부학적 특성 분석
Analysis of Anatomical Characteristics for Wood Species Identification of Commercial Plywood in Korea 원문보기

목재공학 = Journal of the Korean wood science and technology, v.49 no.6, 2021년, pp.574 - 590

LEE, Hyun Mi (Division of Timber Engineering, National Institute of Forest Science) , JEON, Woo Seok (Research & Development Team, Eagon Industrial CO, LTD) , LEE, Jei Wan (Division of Forest Genetic Resources, National Institute of Forest Science)

초록
AI-Helper

전 세계적으로 불법목재 방지를 위한 국제적 노력이 확대되고 있으며, 우리나라는 국내에 수입·유통되는 목재의 합법성을 강화하기 위하여 2019년 '합법목재 교역촉진제도'를 시행하고 있다. 합법목재 교역촉진제도는 목재, 목재제품 등을 수입할 시 생산 국가, 수종, 벌채지 등에 대해 합법한 목재임을 입증하는 제도이다. 입증 방법에는 주로 DNA 분석 기술과 현미경을 이용한 해부학적 특징 분석이 함께 이용되고 있다. 따라서, 본 연구에서는 다양한 목재제품 중에 우선적으로 합판의 해부학적 특성을 분석하여 수종 식별을 하였다. 공시재료는 합판 생산 기업의 합판(7, 9ply)을 취급하는 4업체를 선정하여 미송(Pseudotsuga menziesii (Mirb.) Franco.) 및 낙엽송(Larix kaempferi (Lamb.) Carriere)합판을 구입하여 시료를 확보하였다. 각 회사의 합판을 약 1cm³ 크기로 절삭한 뒤, 표판부터 이판까지 하나의 단판으로 분리하여 광학현미경을 이용하여 3단면을 관찰하였다. 수종식별 결과, 침·활엽수 혼합 합판과 소나무류, 포플러류, 낙엽송·소나무류의 혼합으로 구성되어 있었다. 현미경법을 이용한 목재의 수종식별은 무분별한 불법 목재의 유통 및 불법 벌채 위험국가로부터 수입되는 합판을 비롯한 다른 여러 가지 목재 제품을 과학적으로 분석·검증할 수 있는 중요한 분야이다

Abstract ▼ AI-Helper

International efforts to prevent illegally logged wood are expanding around the world. The "Legal Wood Trade Promotion System" was enacted in Korea in 2019 to strengthen the legal import and distribution of commercial wood in Korea. Since then, this system has promoted and ensured that the imported wood and wood products are legal with respect to the country of origin, wood species, and harvested area. As verification methods, DNA analysis technology and anatomical analysis using a microscope are mainly used in conjunction. Therefore, in this study, wood species of plywood were identified by analyzing the anatomical characteristics of various wood products for the first time. Douglas fir (Pseudotsuga menziesii (Mirb.) Franco.) and larch (Larix kaempferi (Lamb.) Carriere) plywoods (7, 9 ply) were obtained from four companies that supply plywood in Korea. After cutting each company's plywood to a size of about 1 cm3, the layers from top to bottom were separated into single layers, and three sections were observed using an optical microscope. The results revealed that the plywood was composed of a mixture of softwood and hardwood wood species, pine wood species, poplar wood species, or a mixture of larch and pine wood species. Identification of wood species using microscopy is important and can enable the scientific analysis and verification of various wood products, including plywood, imported from countries where the likelihood of indiscriminate distribution of illegal wood and illegal logging is high.

주제어

표/그림 (11)

그림 Fig. 1. Four companies supplying softwood plywood in Korea.A company 1(Pseudotsuga menziesii), 1-1(Larix kaempferi); B company 2(Pseudotsuga menziesii), 2-1(Larix kaempferi);C company 3(Pseudotsuga menziesii), 3-1(Larix kaempferi); D company 4(Pseudotsuga menziesii), 4-1(Larixkaempferi)
그림 Fig. 2. Plywood separation.
표 Table 1. Wood properties of useful wood species from Korea
그림 Fig. 3. Light microscope images on the plywood 3 sections(1).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits, axial‧ radial intercellular canals(1∼7)
그림 Fig. 4. Light microscope images on the plywood 3 sections(1-1).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits, axial‧ radial intercellular canals(1, 3, 5, 7)Figure legends: ray tracheid, axial intercellular canals, piceoid pits orcupressoid pits, ray parenchyma cells, epithelial cells(2, 4, 6)
그림 Fig. 5. Light microscope images on the plywood 3 sections(2).Figure legends: diffuse porous wood, perforation plate, simple perforation,axial parenchyma(1∼9)
그림 Fig. 6. Light microscope images on the plywood 3 sections(2-1).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits, axial ‧radial intercellular canals(1, 3, 5, 7, 9)Figure legends: diffuse porous wood, perforation plate, simple perforation,axial parenchyma(2, 4, 6, 8)
그림 Fig. 7. Light microscope images on the plywood 3 sections(3).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits,axial‧radial intercellular canals(1∼7)
그림 Fig. 8. Light microscope images on the plywood 3 sections(3-1).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits,axial ‧ radial intercellular canals(1∼8)Figure legends: diffuse porous wood, perforation plate, simple perforation,axial parenchyma(9)
그림 Fig. 9. Light microscope images on the plywood 3 sections(4).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits,axial ‧ radial intercellular canals(1∼7)
그림 Fig. 10. Light microscope images on the plywood 3 sections(4-1).Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits,axial ‧ radial intercellular canals(1, 3, 5, 7)Figure legends: tracheid, epithelial cells, parenchyma cells, cross-field pits,axial ‧ radial intercellular canals(2, 4, 6)

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표제어: PCR

동의어: Packet Collision Rate

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