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KMID : 1098420090170030187
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Korean Journal of Medicinal Crop Science
2009 Volume.17 No. 3 p.187 ~ p.191
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Effect of Blue and Red LED irradiation on Growth Characteristics and Saponin Contents in Panax Ginseng C. A. Meyer
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Kim Min-Jeong
Choi Jae-Eul
Li Xiang-guo
Han Jin-Soo
Lee Seong-Eun
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Abstract
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This study was conducted to assess the response of LED (Light-emitting diode) irradiation on the growth characteristics and saponin contents of Panax ginseng C. A. Meyer. LED irradiation showed a positive effect for most of the parameters studied. The content of chlorophyll a in leaves was increased by 4.9~36.5%, under LED and fluorescent light conditions compared to the control. The content of chlorophyll b was also increased by 44.4~55.6% under blue and red LED compared to the control except under the red plus blue LED condition. The shoot and root weight were increased by 20~60% and 14.8~59.3%, respectively under LED and fluorescent light conditions compared to the control. The total aponin
content was increased by 1.8% under blue LED compared to the control, while total saponin content was decreased by 8.8~11.5% under red LED, red plus blue LED and fluorescent light conditions.
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KEYWORD
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Panax ginseng, LED, Chlorophyll, T/R ratio, Root Weight, Saponin
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