Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Anatomical Characteristics of Korean Red Pines According to Provinces

한국산 소나무의 지역에 따른 해부학적 특성

  • Kim, Min-Ji (Department of Forest Products, National Institute of Forest Science) ;
  • Seo, Jeong-Wook (Department of Wood & Paper Science, College of Agriculture, Life, and Environment Science, Chungbuk National University) ;
  • Kim, Byung-Ro (Department of Wood & Paper Science, College of Agriculture, Life, and Environment Science, Chungbuk National University)
  • 김민지 (국립산림과학원 임산공학부) ;
  • 서정욱 (충북대학교 농업생명과학대학 목재.종이과학과) ;
  • 김병로 (충북대학교 농업생명과학대학 목재.종이과학과)
  • Received : 2017.09.25
  • Accepted : 2018.01.10
  • Published : 2018.01.25
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Abstract

This study was fulfilled to investigate the anatomical characteristics according to provinces. In order to compare anatomical characteristics between provinces we selected Goseong, Hongcheon, and Bonghwa as experimental sites. To use the tree rings formed at the same years we dated all tree rings by cross-dating method used in dendrochronology and the cutting years were successfully dated in 2014, 2012, and 2014 for woods from Goseong, Hongchen, and Bonghwa, respectively. Based on the cutting years tracheid lengths and widths were measured considering juvenile wood (tree rings between the pith and first 10 years), heartwood (tree rings formed between 1955 and 1964), and sapwood (tree rings formed between 2002 and 2011). According to the results about differences between tracheid lengths from three provinces, juvenile wood did not show a difference, statistically, but heartwood and sapwood showed differences as the tracheid lengths following Bonghwa, Hongcheon, and Goseong. Bongwha also showed the largest value in the trachied width among three provinces. The tracheid lengths in the radial direction increased up to around the first 20 years, and then they showed stabilized. All wood samples showed typical Korean red pine's characteristics in anatomical observation under a light microscope.

본 연구는 우리나라에서 주요 용재로 사용되고 있는 소나무의 생장지역에 따른 해부학적 특성을 조사하기 위하여 실시하였다. 지역 간 비교를 위해 태백산맥을 기준으로 영동(고성), 영서(홍천), 영남(봉화) 세 지역을 선정하였다. 같은 연도에 형성된 연륜을 사용하기 위해 연륜연대학의 크로스데이팅법으로 벌채연도를 분석한 결과, 고성, 홍천 및 봉화 산 목재의 벌채연도가 각각 2014, 2012, 2014년으로 나타났다. 분석된 벌채연도를 토대로 각 지역에서 채취된 소나무의 미성숙재(수부터 20번째 연륜까지), 심재(연륜 생성연도: 1955~1964y), 변재(연륜 생성연도: 2002~2011y)를 대상으로 가도관 길이와 직경을 측정하였다. 산지 간 가도관 길이는 미성숙재에서는 차이를 보이지 않았으나 심재와 변재부에서는 봉화, 홍천 고성 산 순으로 나타났다. 가도관 직경의 경우도 봉화 산이 높게 나타났다. 가도관 길이의 방사방향변이는 약 20년 전후에 증가하다가 안정되는 경향을 보였다. 현미경을 이용한 목재해부학적 관찰에 따르면 세 지역 모두 전형적인 소나무의 특성을 보였다.

Keywords

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