Effects of $Ca^{2+}\;:\;K^+$ Ratio in Nutrient Solution on the Growth and Quality of Marjoram(Origanum majorana) and Oregano(Origanum vulgare) Grown in Hydroponic Culture

수경재배시 Ca 및 K 이온의 조성비율 차이가 마죠람과 오레가노의 생육 및 품질에 미치는 영향

  • Park, Kuen-Woo (Division of Bioscience and Technology, College of Life and Environmental Sciences, Korea University) ;
  • Na, Cheol-Wook (Division of Bioscience and Technology, College of Life and Environmental Sciences, Korea University) ;
  • Kang, Ho-Min (Division of Bioscience and Technology, College of Life and Environmental Sciences, Korea University)
  • 박권우 (고려대학교 생명환경과학대학 생명산업과학부) ;
  • 나철욱 (고려대학교 생명환경과학대학 생명산업과학부) ;
  • 강호민 (고려대학교 생명환경과학대학 생명산업과학부)
  • Published : 2003.12.01

Abstract

The purpose of this study was to investigate a proper $Ca^{2+}\;:\;K^+$ ratio in nutrient solution to produce marjoram and oregano by hydroponics. Two herbs were grown for 40 days with the $Ca^{2+}\;:\;K^+$ ratio of 3.5;13, 4.5:11(standard herb's nutrient solution), 5.5:9 and 6.5:7mM${\cdot}L^{-1}$ of herb's nutrient solution developed by European Vegetable R &D Center, Belgium. The ratio of 5.5:9, and 6.5:7 mM${\cdot}L^{-1}$ showed better results in growth of marjoram than other treatments. Vitamin C contents and amounts of esential oil were the highest in the ratio of 5.5:9 and 6.5:7, respectively. Inoregano, the growth and vitamin C contents were the highest in the ratio of 5.5:9 and 6.5:7 mM${\cdot}L^{-1}$, respectively. The content (%) and amount (mg/plant) of essential oil were the highest in the ratio of 6.5:7mM${\cdot}L^{-1}$. These results indicated that 5.5:9 and 6.5:7 mM${\cdot}L^{-1}$were proper $Ca^{2+}\;:\;K^+$ ratio of nutrient solution of marjoram and oregano, respectively, by hydropoinics.

마죠람과 오레가노 수경재배시에 생육과 정유함량에 미치는 양액내 $Ca^{2+}\;:\;K^+$의 적정비율을 구명하고자 시험을 수행하였다. 양액은 유럽채소연구소의 0.5배액을 사용하였다. $Ca^{2+}\;:\;K^+$의 비율은 3.5;13, 4.5:11(표준용액), 5.5:9, 6.5:7 mM${\cdot}L^{-1}$ 4가지 농도로 처리하였다. 그 결과 마죠람의 생육은 5.5:9와 6.5:7 mM${\cdot}L^{-1}$구에서 우수하였다. 비타민 C는 6.5:7구에서 그리고 정유함량(%)과 정유수량은 5.5:9구에서 높았다. 오레가노의 경우는 생육과 비타민 C의 함량은 5.5:9와 6.5:7구에서, 정유성분과 수량은 6.5:7구에서 높았다. 따라서 마죠람은 5.5:9 그리고 오레가노는 6.5:7로 조절하여 가꾸는 것이 생육과 수량 그리고 정유 생산량을 증가시킬 수 있다고 본다.

Keywords

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