Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Growth Characteristics of Adenophora triphylla var. japonicum by Shading Treatments

차광처리에 의한 잔대의 생육특성

  • Kim, Jeong-Woon (Southern For. Res. Center, Korea For. Res. Insti.) ;
  • Yoon, Jun-Hyuck (Southern For. Res. Center, Korea For. Res. Insti.) ;
  • Jeon, Kwon-Seok (Southern For. Res. Center, Korea For. Res. Insti.) ;
  • Jung, Jae-Min (Dept. of Plant Conserv., Korea National Arboretum) ;
  • Jung, Hye-Ran (Dept. of Plant Conserv., Korea National Arboretum) ;
  • Cho, Min-Gi (Dept. of For. Environ. Res., Gyeongsang National Univ.(Insti. of Agric. & Life Sci.)) ;
  • Moon, Hyun-Shik (Dept. of For. Environ. Res., Gyeongsang National Univ.(Insti. of Agric. & Life Sci.))
  • 김정운 (국립산림과학원 남부산림연구소) ;
  • 윤준혁 (국립산림과학원 남부산림연구소) ;
  • 전권석 (국립산림과학원 남부산림연구소) ;
  • 정재민 (국립수목원 산림자원보존과) ;
  • 정혜란 (국립수목원 산림자원보존과) ;
  • 조민기 (경상대학교 산림환경자원학(농업생명과학연구원)) ;
  • 문현식 (경상대학교 산림환경자원학(농업생명과학연구원))
  • Received : 2011.12.23
  • Accepted : 2012.04.27
  • Published : 2012.04.30
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Abstract

This study is an analysis of the initial growth of Adenophora triphylla var. japonica, and the growth of their above- and underground parts by means of shading treatment in order to provide a basic data that can be used in growing A. triphylla var. japonica in mountainous area. As for the rate of sprouting by shading treatment, 25% treatment and control showed the earliest sprouting. The leaf unfolding had the same order as the rate of sprouting. The analysis of the characteristics of growth of above- and underground parts showed that the growth of aboveground parts are excellent in the 25% treatment. 25% treatment were shown to be the longest in the total length of roots and root projection area. Control were discovered to be the most prominent in root surface area, root diameter, and root volume. 75% and 25% treatment in distribution by root diameter showed 72.4% and 69.5% of very fine root(>0.5mm), respectively.

본 연구는 차광처리에 의한 잔대의 지상부 및 지하부 생장특성을 파악하여 잔대의 임간재배기술을 확립하기 위한 기초정보를 제공하기 위함에 있다. 차광처리에 의한 잔대의 발순율 및 개엽율은 25% 처리구에서 가장 높았으며, 75% 처리구에서 가장 낮게 나타났다. 잔대의 지상부 및 지하부의 생장특성을 분석한 결과, 초장, 엽수, 엽장, 엽폭 등 지상부의 생장은 25% 처리구에서 가장 우수하였고, 뿌리의 형태적 특성인 총근장과 뿌리투영면적은 25% 처리구에서 가장 높게 나타났으며, 뿌리표면적, 뿌리부피 및 뿌리직경은 대조구에서 가장 우수한 것으로 나타났다. 0.5 mm이하의 미세근은 75% 처리구에서 72.4%로 가장 높았으며 이어 25% 처리구에서 69.5%로 다른 처리구에 비해 높은 것으로 분석되었다.

Keywords

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