Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Effects of LED Light Illumination on Germination, Growth and Anthocyanin Content of Dandelion (Taraxacum officinale)

  • Ryu, Jai Hyunk (Department of Bioresources Science, Sunchon National University) ;
  • Seo, Kyoung Sun (Jangheung-county Mushroom Research Institute) ;
  • Choi, Gab Lim (Korea Institute of Ecology and Environment (KIEE)) ;
  • Rha, Eui Shik (Department of Bioresources Science, Sunchon National University) ;
  • Lee, Sheong Chun (Department of Bioresources Science, Sunchon National University) ;
  • Choi, Seong Kyu (Department of Development in Oriental Medicine Resource, Sunchon National University) ;
  • Kang, Si-Yong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Bae, Chang-Hyu (Department of Bioresources Science, Sunchon National University)
  • Received : 2012.11.27
  • Accepted : 2012.12.17
  • Published : 2012.12.31
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Abstract

Dandelion has been widely utilized for medicinal and edible purposes. This research was conducted to evaluate the effect of supplemental LED (light-emitting diode) light on germination, growth characteristics and anthocyanin content of dandelion (Taraxacum officinale) seedling using LED blue (460 nm), red (660 nm, R), blue + red (B:R=6:4) and fluorescent lamp light treatment. By LED illumination to T. officinale seed germination speed was delayed, and germination rate was the highest in the fluorescent light. The growth characteristics (plant height, number of leaves, root length and fresh weight) were greatly influenced by supplemental LED light compared with control treatment, and the growth promotion was the most effective in the red LED illumination. After 60 days of red and mixed LED light treatments, anthocyanin content of dandelion plants was significantly changed. The anthocyanin content was increased by 12~19 mg/100 g under the red LED and the mixed light conditions compared with the control and the blue LED. Results indicate that illumination with red and mix LEDs, compared with other light treatments, is beneficial for promotion of growth and anthocyanin content in dandelion.

Keywords

References

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