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http://dx.doi.org/10.7740/kjcs.2014.60.1.070

The Effect of Blue and Red LEDs Irradiation on The Growth Characteristics and Ginsenoside Content of Panax ginseng C. A. Meyer  

Seong, Bong-Jae (Chungnam Agricultural Research & Extention Service)
Kim, Hyun-Ho (Chungnam Agricultural Research & Extention Service)
Cho, Jin-Woong (College of Agricultural and Life Sciences, Chungnam National University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.60, no.1, 2015 , pp. 70-74 More about this Journal
Abstract
An LED plant factory farm is an alternative way to grow crops regardless of weather, season, and blight in such times of climate change. In recent years, it is a currently active and vibrant research field. The industry, which ranges from leaf vegetables to high value products, is expanding. This study was conducted to test tthe response of LED (Light-emitting diode) irradiation on the growth characteristics and ginsenoside levels indoors, in order to find out suitable light conditions. Ginseng seedling was transplanted from a styrofoam pot ($L{\times}W{\times}D$:$495{\times}315{\times}215mm$, inside diameter) into a closed plant production system in four blue LED (BL) and red LED (RL) different ratios of 1:1, 1;2, 1:3, 1:4 in a temperature range of $20{\sim}25^{\circ}C$, relative humidity of between 55 and 65%, and a 12-hour photoperiod. The LED irradiation shows the highest levels were found at 1:1 of BL and RL ratio at $61.21{\mu}mol\;s^{-l}m^{-2}$, 1:2 ratio $68.55{\mu}mol\;s^{-l}m^{-2}$, 1:3 ratio $63.85{\mu}mol\;s^{-l}m^{-2}$ and 1:4 ratio $62.41{\mu}mol\;s^{-l}m^{-2}$ from highest to lowest respectively. After analyzing from shoot and root 2 yers old ginseng plant which were cultivated under 1:3 irradiation of BL and RL ratio, it generally showed a positive effect under a 1:3 ratio of BL and RL.
Keywords
ginseng seedling; blue LED; red LED; ginsenoside;
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Times Cited By KSCI : 5  (Citation Analysis)
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