Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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Characteristics of Seedling Quality of Daphniphyllum macropodum 2-year-old Container Seedlings by Shading Level

굴거리나무 2년생 용기묘의 피음수준별 묘목품질 특성

  • Song, Ki Seon (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Choi, Kyu Seong (Useful Plants Resources Center, Korea National Arboretum) ;
  • Sung, Hwan In (Department of Forestry and Landscape, Graduate School of Agriculture and Animal Science, Konkuk University) ;
  • Jeon, Kwon Seok (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • An, Kyoung Jin (Department of Environmental Design, Konkuk University) ;
  • Kim, Jong Jin (Department of Environmental Design, Konkuk University)
  • 송기선 (국립산림과학원 남부산림자원연구소) ;
  • 최규성 (국립수목원 유용식물증식센터) ;
  • 성환인 (건국대학교 농축대학원 산림조경학과) ;
  • 전권석 (국립산림과학원 남부산림자원연구소) ;
  • 안경진 (건국대학교 녹지환경계획학과) ;
  • 김종진 (건국대학교 녹지환경계획학과)
  • Received : 2015.03.23
  • Accepted : 2015.06.26
  • Published : 2015.09.30
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Abstract

This study was carried out in order to closely examine quality index by shading level of 2-year-old (1-1 seedling) container seedling of Daphniphyllum macropodum which is known as the species of having shade tolerance that is evergreen broad leaved tree in the warm temperate region. The shading treatment was regulated with the shading level of full sunlight, and 35%, 55%, 75%, 95% of full sunlight. As a result of surveying growth according to the shading level, both height and root collar diameter were surveyed to be the highest with 45.1 cm and 8.22 mm, respectively, under 75% of shading. The next was surveyed to be 43.2 cm & 8.05 mm and 42.5 cm & 7.98 mm, respectively, in order of 35% and 55% in shading. Leaf, shoot, root, and whole dry mass production were the highest under 75% of shading. The next was higher in leaf, stem, and whole dry mass production under 55% of shading. A root was higher under 35% of shading in the next. H/D ratio was the range of 5.29~5.35 under the 35~75% shading that showed the relatively high height and root collar diameter. T/R ratio was the lowest with 1.17 under 35% of shading. It was 0.41 under 95% of shading as for LWR, 0.24 under 75%-95% of shading as for SWR, and 0.46 under full sun and 35% shading as for RWR. QI was the highest with 3.74 under 75% of shading. As a result of surveying the whole experiment, it is concluded that the production of D. macropodum seedling is more effective under 75% shading

본 연구는 내음성이 있는 수종으로 알려진 난대 상록활엽수종인 굴거리나무 2년생 용기묘(1-1묘)를 대상으로, 피음수준이 묘목품질에 어떠한 영향을 미치는지 알아보고자 실시되었다. 피음은 전광과 전광의 35%, 55%, 75%, 95% 피음으로 조절하여 처리하였다. 피음수준에 따른 생장조사 결과, 간장과 근원경은 모두 75% 피음에서 각각 45.1 cm와 8.22 mm로 가장 컸으며, 그 다음은 35%와 55% 피음 순으로 각각 43.2 cm와 8.05 mm, 42.5 cm와 7.98 mm로 컸다. 잎, 줄기, 뿌리의 부위별 건물생산량과 전체 건물생산량 모두 75% 피음에서 가장 높았다. 그 다음은 55% 피음에서 잎, 줄기 및 전체 건물생산량이 높았으며, 뿌리의 경우는 35% 피음에서 높았다. H/D율은 상대적으로 높은 간장과 근원경생장을 보인 35~75% 피음처리구에서 5.29~5.35로 조사되었다. T/R율은 35% 피음에서 1.17로 가장 낮았다. LWR은 95% 피음에서 0.41로, SWR은 75%와 95% 피음에서 0.24로, RWR은 전광과 35% 피음에서 0.46으로 높았으며, QI는 75% 피음에서 3.74로 가장 높았다. 실험결과를 종합적으로 살펴보면, 굴거리나무는 75% 피음에서 생육하는 것이 보다 효과적일 것으로 판단된다.

Keywords

References

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