Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Characteristics of Sap Exudation from Acer okamotoanum (Nakai) Plantation Forest in Jinju Region

진주지역 우산고로쇠나무 인공림의 수액 출수 특성

  • Kim, Chang-Hwan (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Park, Joon-hyung (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Lee, Kwang-Soo (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Park, Yong-Bae (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Lee, Kyoung-Tae (Southern Forest Resources Research Center, National Institute of Forest Science)
  • 김창환 (국립산림과학원 남부산림자원연구소) ;
  • 박준형 (국립산림과학원 남부산림자원연구소) ;
  • 이광수 (국립산림과학원 남부산림자원연구소) ;
  • 박용배 (국립산림과학원 남부산림자원연구소) ;
  • 이경태 (국립산림과학원 남부산림자원연구소)
  • Received : 2017.04.02
  • Accepted : 2017.04.30
  • Published : 2017.05.25
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Abstract

This study was carried out to investigate the sap exudation characteristics in Acer okamotoanum (Nakai) plantation forest. As a result, Sap exudation quantity was rapidly reduced when mean temperature was increased by above $3.4^{\circ}C$. Considering this result, sap collection before end of February is more effective. Sap exudation quantity during the day started at approximately 9 o' clock, and reached the peak at approximately 11 o' clock, and ended at approximately 16 o' clock. Sugar content of sap was reduced with increasing period. Except for Na, and mineral components by tapping period were no significant difference.

본 연구는 우산고로쇠나무 조림지에서 수액 출수 특성을 구명하고자 수행하였다. 그 결과, 우산고로쇠나무 수액 출수량은 일 평균기온 $3.4^{\circ}C$ 이상 오를 시 출수량이 급격히 감소하였으며, 이를 고려해볼 때, 2월 하순 이전에 수액채취를 하는 것이 효율적일 것으로 판단되었다. 하루 중 수액출수는 약 9시경부터 출수를 시작하여 11시경에 최대량이 출수되었고 16시경에 출수가 종료되었다. 수액 당도는 시간이 흐름에 따라 감소하는 경향이 나타났으며, Na를 제외한 다른 무기성분들은 시기별 차이는 없었다.

Keywords

References

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