[논문]광환경 조절이 인삼의 생육과 진세노사이드 함량에 미치는 영향

장인배; 유진; 권기범; 서수정

doi:10.7783/kjmcs.2016.24.4.277

광환경 조절이 인삼의 생육과 진세노사이드 함량에 미치는 영향
Effect of Controlled Light Environment on the Growth and Ginsenoside Content of Panax ginseng C. A. Meyer 원문보기

韓國藥用作物學會誌 = Korean journal of medicinal crop science, v.24 no.4, 2016년, pp.277 - 283

장인배 (국립원예특작과학원 인삼특작부 인삼과) , 유진 (국립원예특작과학원 인삼특작부 인삼과) , 권기범 (국립원예특작과학원 인삼특작부 인삼과) , 서수정 (국립원예특작과학원 인삼특작부 인삼과)

Abstract ▼ AI-Helper

Background: The photosynthetic efficiency cool-season, semi-shade ginseng is normal at low morning temperatures, but drops at high afternoon temperatures. Therefore, optimal plant performance would be ensured if it were possible to control daily light transmission rates (LTR). Methods and Results: Plants were grown in a controlled light environment that replicated 11 AM conditions and comparatively analyzed against plant grown under normal conditions. Growth in the controlled light environment resulted in a 2.81 fold increase in photosynthetic efficiency with no change in chlorophyll content, although LTR were high due to low morning temperatures. Increased aerial plant growth was observed in the ginseng plants adapted to the controlled light environment, which in turn influenced root weight. An 81% increase in fresh root weight (33.3 g per plant on average) was observed in 4-year-old ginseng plants grown in controlled light environment compared to the plants grown following conventional practices (18.4 g per plant on average). With regard to the inorganic composition of leaves of 4-year-old ginseng plants grown in controlled light environment, an increased in Fe content was observed, while Mn and Zn content decreased, and total ginsenoside content of roots increased 2.37 fold. Conclusions: Growth of ginseng under a favorable light environment, such as the condition which exist naturally at 11 AM and are suitable for the plant's photosynthetic activity creates the possibility of large scale production, excellent-quality ginseng.

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제안 방법

The external and internal radiation intensities of facilities were measured for 2 minutes and 3 times by LI-250A quantum sensor (LI-COR, Lincoln, NE, USA) at the height of the leaves to establish LTR following the light environment control; a thermometer (Thermo Recorder TR-72Ui, T&D Corp., Tokyo, Japan) with data save function was hung around the leaves during the high-temperature period from July to August 2014 to measure the temperature.
Therefore, this study was conducted to install sun shading that could control the light environment based on 11 AM and examine ginseng's growth and photosynthetic characteristics.

대상 데이터

Table 4. Inorganic component contents of 3-year-old Panax ginseng leaf grown in control and blind-type shading facilities on July 21, 2014.
10 kinds of ginsenosides were analyzed by finally harvesting 3-year-old and 4-year-old ginseng roots. The 10 kinds of ginsenoside standard samples were Rb₁, Rb₂, Rb₃, Rc, Rd, Re, Rf, Rg₁, Rg₂, and Rh₁ (ChromaDex, Irvine, CA, USA), the solvent for analysis was GR-grade. For the ginsenoside analysis, 0.
The experiments were performed in the experimental field at the department of Herbal Crop Research located in Eumseong, Chungbuk from March 28, 2014 to October 15, 2015. Pipes with diameter of 48 ㎜ were inserted into the ground at a depth of 0.

데이터처리

The results obtained from this experiment on the control group and treatment plot were analyzed via student's t-test using the SAS software package (SAS v9.2, SAS Institute Inc., Cary, NC, USA), and the difference was proven to be statistically significant when the p-value was under 0.05.

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