Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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Characteristics of Growth and Photosynthesis of Peucedanum japonicum by Shading and Leaf Mold Treatment in Forest Farming

임간재배 시 차광과 부엽토 처리에 따른 갯기름나물의 생장 및 광합성 특성

  • Song, Ki Seon (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Jeon, Kwon Seok (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Choi, Kyu Seong (Useful Plants Resources Center, Korea National Arboretum) ;
  • Kim, Chang Hwan (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Park, Yong Bae (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Kim, Jong Jin (Department of Environmental Design, Konkuk University)
  • 송기선 (국립산림과학원 남부산림자원연구소) ;
  • 전권석 (국립산림과학원 남부산림자원연구소) ;
  • 최규성 (국립수목원 유용식물증식센터) ;
  • 김창환 (국립산림과학원 남부산림자원연구소) ;
  • 박용배 (국립산림과학원 남부산림자원연구소) ;
  • 김종진 (건국대학교 녹지환경계획학과)
  • Received : 2015.09.04
  • Accepted : 2016.01.05
  • Published : 2016.03.31
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Abstract

This study was carried out to determine the effects of shading and leaf mold treatment on growth characteristics and photosynthesis responses of Peucedanum japonicum in forest farming. It is very valuable as a sort of health food, so that the demand for the vegetable has increased recently. The experiment can not only increase the yield but also contribute to the development of eco-friendly technology for high-quality P. japonicum. It was performed by shading treatments (full sunlight, 35%, 50% and 75% shading) and leaf mold treatments (control, pine tree and chestnut tree). Height, stem diameter, root collar diameter, number of stem and dry weight were the highest in chestnut-leaf mold under full sunlight. Leaf area, leaf length and leaf width were the highest in chestnut-leaf mold under 35% shading. Photosynthetic rate, conductance to $H_2O$, transpiration rate and water use efficiency were the highest in chestnut-leaf mold under full sunlight. Specially, photosynthetic rate was higher under chestnut-leaf mold in all shading treatment, and getting lower in the higher shading rate. As a result of surveying the whole experiment, it is concluded that P. japonicum grows nicely by maintaining 35% shading under chestnutleaf mold in forest farming. Thus, it is the most effective way to increase the yield for high-quality P. japonicum with eco-friendly technology.

본 연구는 수요가 증가되고 있는 산채인 갯기름나물을 대상으로 임간재배지 내 차광과 부엽토가 갯기름나물의 생장 및 광합성 특성에 미치는 영향을 조사하여 보다 고품질의 갯기름나물을 생산하는 것뿐만 아니라 생산량 증대 및 친환경 재배기술 개발에 이바지하고자 하였다. 실험은 전광 및 35%, 50%, 75% 차광으로 총 4차광처리와 부엽토처리(대조구, 침엽부엽토, 활엽부엽토)를 하였다. 초장, 줄기직경, 근원직경, 줄기수, 건중량은 전광 내 활엽부엽토에서 가장 높았으며, 엽면적, 엽장, 엽폭은 35% 차광 내 활엽부엽토에서 가장 높았다. 광합성, 기공전도도, 증산율, 수분이용효율은 전광 내 활엽부엽토에서 가장 높았다. 특히, 광합성률은 모든 차광에서 활엽부엽토가 높게 조사되었으며, 차광률이 높아질수록 낮아지는 경향을 보였다. 따라서 갯기름나물을 친환경적으로 재배하기 위해서는 임간재배에서 35% 차광(상대광도 51.1%) 후 활엽부엽토를 이용하는 것이 가장 좋은 생장을 보여 생산량 증대와 고품질 갯기름나물의 생산에 가장 효과적일 것으로 판단된다.

Keywords

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