Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Growth characteristics of 2-year-old cultivars in Korean ginseng (Panax ginseng C. A. Meyer) conditioned artificial wet injury

인위적인 습해 유발조건에서 2년생 인삼 품종의 생육특성

  • 김장욱 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과) ;
  • 이정우 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과) ;
  • 조익현 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과) ;
  • 김동휘 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과) ;
  • 김기홍 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과) ;
  • 김영창 (농촌진흥청 국립원예특작과학원 인삼특작부 인삼과)
  • Received : 2015.09.15
  • Accepted : 2015.10.28
  • Published : 2015.12.31
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Abstract

This study was conducted to investigate growth characteristics to develop the technique to select resistant cultivar by wet injury at an early stage through the automatic irrigation maintaining 30, 20, 10 kPa respectively using native variety, Chunpoong, Yunpoong, Gumpoong and Sunun. The aerial growth was decreased at 10 kPa compared to 30 kPa. In addition, the survival rate was decreased by 66.6%, 62.3%, 33.8% at 30, 20, 10 kPa, respectively. The survival rate of Chunpoong and Gumpoong were higher than others at 10 kPa. While root growth characteristics such as root length, root weight, number of lateral root and side root were tended to decrease, root diam was no significant or increased. And the more humid condition is, the more the incidence rate of rusty root and rough skin were tended to increase. The epidermal thickness of Chunpoong and Gumpoong was increased but the figures of native variety, Yunpoong and Sunun were decreased at 10 kPa compared to 30 kPa. But, the tissue stiffness of root was decreased at 10 kPa compared to 30 kPa.

Keywords

References

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