Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Growth and Root Development Characteristics of Atractylodes japonica Seedlings by Different Relative Light Intensity

상대광도별 삽주 유묘의 생장 및 뿌리 발달 특성

  • Song, Ki Seon (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Jeon, Kwon Seok (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Yoon, Jun Hyuck (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Kim, Chang Hwan (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Park, Yong Bae (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Kim, Jong Jin (Department of Environmental Design, Konkuk University)
  • 송기선 (국립산림과학원 남부산림자원연구소) ;
  • 전권석 (국립산림과학원 남부산림자원연구소) ;
  • 윤준혁 (국립산림과학원 남부산림자원연구소) ;
  • 김창환 (국립산림과학원 남부산림자원연구소) ;
  • 박용배 (국립산림과학원 남부산림자원연구소) ;
  • 김종진 (건국대학교 녹지환경계획학과)
  • Received : 2014.03.26
  • Accepted : 2014.04.17
  • Published : 2014.04.30
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Abstract

This study was carried out in order to investigate the early growth and root development characteristics of Atractylodes japonica container seedling. Experiment was performed by light intensity (100%, 60%, 25% and 10% of full sunlight). Height was surveyed well under 25% of full sunlight (overall 11.013.0%). Root collar diameter was the highest in the full sunlight (7.52 mm). It was the highest fresh weight (1.52 g, 0.92 g, 0.90 g and 3.34 g) under 25% of full sunlight, root dry weight was getting higher in the higher light level and the highest in the full sunlight (0.13 g). Total root length, root project area, root surface area and root volume were the highest under 25% of full sunlight (434.7 cm, $17.4cm^2$, $54.7cm^2$, $0.55cm^3$, respectively) and the lowest under 10% of full sunlight. As a result of surveying the whole experiment, A. japonica is judged nicely by maintaining 25% of full sunlight, excepting 10% of full sunlight. And light levels during the early growth are overly important to improve early growth.

Keywords

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