Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Comparison of Yield and Content of Salidroside with Application Rates of Nitrogenic Fertilizer under Forcing Culture of Rhodiola rosea L.

바위돌꽃(Rhodiola rosea L.)의 촉성재배시 질소 시비에 따른 수량과 Salidroside 함량

  • Lee, Kang-Soo (Crop Production and Technology Major, College of Agriculture & Life Sciences, Chonbuk National University) ;
  • Choi, Sun-Yeong (Crop Production and Technology Major, College of Agriculture & Life Sciences, Chonbuk National University) ;
  • Li, Long-Gen (College of Agronomy and Biotechnology, Yunnan Agricultural University) ;
  • Hwang, Seon-Ah (Crop Production and Technology Major, College of Agriculture & Life Sciences, Chonbuk National University)
  • 이강수 (전북대학교 농업생명과학대학 작물생산공학전공) ;
  • 최선영 (전북대학교 농업생명과학대학 작물생산공학전공) ;
  • 이용근 (중국 운남농업대학 농학 및 생물기술학원) ;
  • 황선아 (전북대학교 농업생명과학대학 작물생산공학전공)
  • Published : 2008.04.30
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Abstract

This experiment was conducted to investigate the optimum nitrogen fertilization conditions for the production of high-quality Rhodiola rosea L. in forcing culture. Up until 48 kg N/10 a of both urea and ammonium sulfate, dry matter yield of root of Rhodiola rosea L. tended to increase with increase in application rates, however, it decreased thereafter in higher application rates. In the case of urea, the content of salidroside in the root of the Rhodiola rosea L. appeared to decrease rapidly from the application rates of 64 kg N/10 a and over. Meanwhile, the content of salidroside in the root tended to decrease gradually with the application rates exceeding 64 kg N/10 a of ammonium sulfate. The optimum fertilization rates of urea and ammonium sulfate was 45-8-20-10-10 (N-P-K-Ca-Mg) kg/10 a according to the curvilinear regression equation. However, considering the nitrogen accumulation in soil, nitrogen translocation into the plant, and dry matter yield and content of salidroside in the root of Rhodiola rosea L., the optimum fertilization rates of urea and ammonium sulfate would be 40-8-20-10-10 kg/10 a and 35-8-20-10-10 kg/10 a, respectively.

본 연구에서는 질소비료의 종류 및 처리량 차이가 바위돌꽃의 뿌리 수량 및 유효성분인 salidroside의 함량변화에 미치는 영향을 구명하여 고품질의 바위돌꽃을 생산할 수 있는 최적의 시비조건을 확립하고자 하였다. 요소비료와 유안비료 모두 48kg N/10 a까지는 처리량이 증가할수록 바위돌꽃 뿌리의 건물 생산량이 증가하는 경향이었으나, 그 이상의 처리량부터는 오히려 건물 생산량이 감소하였다. 요소비료와 유안비료 모두 화학비료 성분 처리량 48-8-20-10-10 kg/10a에서 가장 높은 salidroside 함량을 나타내었다. 곡선회귀 방정식에 기준한 요소와 유안비료의 적정 시비량은 45-8-20-10-10 kg/10 a로 나타났으나, 요소비료와 유안비료의 처리후 토양중 질소 축척과 토양 산성화, 식물체로의 질소 흡수이행량, 바위돌꽃 뿌리의 건물생산량 그리고 바위돌꽃 뿌리에 함유되어 있는 약리성분인 salidroside의 함량 등 제반사항을 고려하였을 때, 요소비료는 질소성분량으로 40 kg/10 a, 유안비료는 질소성분량으로 35 kg/10 a가 합리적일 것으로 판단된다.

Keywords

References

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