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Growth Characteristics of Ginseng Seedlings as Affected by Mixed Nursery Soil under Polyethylene Film Covered Greenhouse

비닐하우스에서 상토의 조성에 따른 묘삼의 생장특성

  • Park, Hong Woo (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Jang, In Bae (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Kim, Young Chang (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Mo, Hwang Sung (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Park, Kee Choon (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Yu, Jin (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Kim, Jang Uk (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Lee, Eung Ho (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Kim, Ki Hong (Ginseng Research Division, Department of Herbal Crop Research, NIHHS, RDA) ;
  • Hyun, Dong Yun (Planning and Coordination Division, RDA)
  • 박홍우 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 장인배 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김영창 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 모황성 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 박기춘 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 유진 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김장욱 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 이응호 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김기홍 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 현동윤 (농촌진흥청 국립원예특작과학원 기획조정과)
  • Received : 2014.06.24
  • Accepted : 2014.08.06
  • Published : 2014.10.30

Abstract

This study was conducted to find out the optimum composition of nursery soil for raising seedling of ginseng (Panax ginseng C. A. Meyer). Total 9 kinds of raw materials were used such as peat-moss, perlite, leaf mould, rice bran, gull's guano, castor-oil plant bark, palm bark, cow manure and chicken manure for optimum composition of nursery soil in ginseng. Occurrence of damping-off in ginseng was lowered about 50% in nursery soil type 1, 2 and 4 than in other types nursery soil in June, and occurrence rate of rusty root also lowest in nursery soil type 1. As the salinity of nursery soil increased, so did the occurrence of physiological disorder in ginseng seedling. The cause of salinity increasing in nursery soil has closely relation to $NO_3-N$, $P_2O_5$ and $Na^+$ content. Plant height, root length, diameter and weight were longer and heavier in nursery soil type 1 (mixing ratio of peat-moss, perlite and leaf mould was 50 : 20 : 30 based in volume) than in other types of nursery soil. So nursery soil type 1 was selected for raising seedling of ginseng. pH and electric conductivity (EC) of selected nursery soil type 1 was 5.55 and 0.13 dS/m. Contents of $NO_3-N$ and $P_2O_5$ were 21.0 and 40.0 mg/L, and $K^+$ 0.36, $Ca^{2+}$ 3.38, $Mg^{2+}$ 2.01 and $Na^+$ $0.09cmol^+/L$, respectively.

Keywords

References

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