Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Effects of Sowing Density and Thinning Treatment on Growth Characteristics and Yield of 3-Year-Old Ginseng Cultivated in a Greenhouse

인삼 하우스 직파재배 시 파종밀도 및 솎음처리가 3 년근 인삼의 생육과 수량에 미치는 영향

  • Suh, Su Jeoung (Department of Herbal Crop Research, NIHHS, RDA) ;
  • Jang, In Bae (Department of Herbal Crop Research, NIHHS, RDA) ;
  • Yu, Jin (Department of Herbal Crop Research, NIHHS, RDA) ;
  • Jang, In Bok (Department of Herbal Crop Research, NIHHS, RDA) ;
  • Hyun, Dong Yun (Department of Herbal Crop Research, NIHHS, RDA) ;
  • Park, Hong Woo (Forest Medicinal Resource Research Center, NIFS) ;
  • Kweon, Ki Bum (Department of Herbal Crop Research, NIHHS, RDA)
  • 서수정 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 장인배 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 유진 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 장인복 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 현동윤 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 박홍우 (국립산림과학원 산림약용자원연구소) ;
  • 권기범 (농촌진흥청 국립원예특작과학원 인삼특작부)
  • Received : 2017.10.30
  • Accepted : 2018.01.22
  • Published : 2018.02.28
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Abstract

Background: The cultivation of ginseng (Panax ginseng C. A. Meyer) in greenhouses could reduce the use of pesticides and result in higher yield; however, construction costs are problematic. The adaptation of direct-sowing culture in greenhouses could reduce the cost of ginseng production. Methods and Results: To improve seedling establishment in direct-sowing culture, effects of sowing density (SD), number of seeds sown per hole (SN), and thinning (TH) treatment on the root yield were investigated after 3 years of seeding. The emergence rate was significantly influenced by SD, but not by SN or TH. Damping-off and rusty roots increased with an increase in SN with diminishing effects of SN on seedling establishment. Root weight and diameter were affected by SD, SN, and TH, however, there were no statistical significances. The total number of roots harvested per unit area increased with increasing SD and SN, and the weight of roots was affected by SD, but not by SN or TH. Conclusions: Multi-seed sowing per hole and/or thinning might not be an efficient method for the direct-sowing culture of ginseng. The SD for direct seeding culture in greenhouses should be approximately $33-42seeds/m^2$ for an optimum yield of 3-year-old ginseng.

Keywords

References

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