KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Comparison of Growth Characteristics and Ginsenoside Contents of 3-Year-Old Ginseng (Panax ginseng C. A. Meyer) by Drainage Class and Shade Material in Paddy Soil

논토양에서 해가림 유형별 3년생 인삼의 생육과 진세노사이드함량 비교

  • Lee, Sung-Woo (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Gum-Sook (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Hyun, Dong-Yun (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Yong-Burm (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Yeon, Byeong-Yeol (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kang, Seung-Won (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kim, Young-Churl (Ginseng Research Division, Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA)
  • 이성우 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김금숙 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 현동윤 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김용범 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 연병열 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 강승원 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김영철 (농촌진흥청 국립원예특작과학원 인삼특작부)
  • Published : 2009.12.31
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Abstract

To select optimal shade material in paddy soil, growth characteristics and ginsenoside contents were investigated in new cultivar, 'Cheonpoong' of three-year-old ginseng cultured under three kinds of shade materials such as three-layered blue and one-layered black PE (polyethylene) net (TBPN), blue PE sheet (BPSS), and aluminium-coated PE sheet (APSS). The order of light transmission ratio and air temperature by shade materials were BPSS > APSS > TBSB among three shade materials. Average soil water tension in PDC and IDC was 64 mbar (absolute soil moisture, 25%) and 123 mbar (absolute soil moisture, 17%), respectively, and soil water tension in IDC was changed more distinctly than that of PDC by season and shade materials. Yield in PDC was distinctly decreased more than that in IDC because of the increase of discolored-leaf and rusted-root ratio. BPSS and TBPN among three shade materials were the most effective on the increase of yield in PDC and IDC, respectively. Ratio of rusty-colored root showed not significant difference by drainage class and shade materials. Contents of panaxatriol ginsenoside (Rg1, Re and Rf) were decreased in PDC, while it of panaxadiol ginsenoside (Rb1, Rc and Rd) were increased in IDC. Total ginsenoside contents of IDC was distinctly higher than that of PDC, and BPSS showed the highest contents among three shade materials regardless of poorly and imperfectly drainage class.

인삼 논재배 안전생산기술을 개발하기 위해 배수불량지와 배수약간불량지 논토양에서 청3+흑1중직 차광망, 청색차광지 및 은박차광판 해가림을 처리하여 3년생 천풍의 생육특성 및 진세노사이드 함량을 조사한 결과는 다음과 같다. 해가림 유형별 투광량과 기온은 차광지 > 은박차광판 > 차광망 순이었다. 배수불량지의 토양수분장력은 평균 64mbar (절대토양수분함량 25%)로 과습한 조건이었으며, 배수약간불량지에서는 평균 123 mbar (절대수분함량 17%)이었다. 배수불량지의 토양수분장력은 계절과 해가림 유형별 뚜렷한 차이를 보이지 않았지만 배수약간불량지에서는 60~200 mbar의 범위에서 계절적 변화를 보였으며, 해가림유형에 따라 약간의 차이를 보였다. 배수불량지의 수량성은 황증과 적변 발생율의 증가로 배수약간불량지보다 현저히 감소되었다. 해가림 유형별 수량성은 배수불량지에서 차광지가, 배수약간불량지에서 차광망이 가장 높았다. 적변 발생율은 배수등급과 해가림 유형에 따라 일정한 경향이 없었다. 배수불량지는 Panaxatriol 계열 (Rg1, Re 및 Rf)의 진세노사이드 함량이 감소되고 Panaxadiol 계열 (Rb1, Rc 및 Rd)의 함량이 증가되었다. 총 진세노사이드 함량은 배수불량지보다 배수약간불량지에서 높았으며, 해가림 유형별 총 진세노사이드 함량은 배수등급에 관계없이 차광지에서 가장 높았다.

Keywords

References

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