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http://dx.doi.org/10.7783/KJMCS.2013.21.2.118

Growth Characteristics and Ginsenoside Contents of 6-Year-Old Ginseng (Panax ginseng C. A. Meyer) by Shade Materials in Paddy Field  

Lee, Sung Woo (Department of Herbal Crop Research, NIHHS, RDA)
Park, Kee Choon (Department of Herbal Crop Research, NIHHS, RDA)
Lee, Seung Ho (Department of Herbal Crop Research, NIHHS, RDA)
Kim, Geum Soog (Department of Herbal Crop Research, NIHHS, RDA)
Jang, In Bok (Department of Herbal Crop Research, NIHHS, RDA)
Kim, Yong Bum (Department of Herbal Crop Research, NIHHS, RDA)
Cha, Seon Woo (Department of Herbal Crop Research, NIHHS, RDA)
Publication Information
Korean Journal of Medicinal Crop Science / v.21, no.2, 2013 , pp. 118-123 More about this Journal
Abstract
This study was carried out to select optimal shade materials among four-layered polyethylene (PE) net (FLPN), aluminium-coated PE sheet (APSS), and blue PE sheet (BPSS) in condition of paddy field cultivated 6-year-old ginseng. The order of light-penetrated ratio and air temperature by shade materials was BPSS > APSS > FLPN. Light-penetrated ratio of BPSS before two fold shade was more 3 times and 2 times than that of FLPN and APSS, respectively. Air temperature of BPSS was also higher $1.6^{\circ}C$ and $1.4^{\circ}C$ than that of FLPN and APSS, respectively. BPSS showed good cultural environment because all of light-penetrated ratio and air temperature were become higher in spring and fall season but lower in summer season by additional shade with two-layered PE net. Survived-leaf ratio was highest in BPSS and lowest in FLPN causing a little water leak on a rainy day. Rusty-root ratio was also highest in FLPN because soil moisture content was increased by water leak. The order of root yield was BPSS > APSS > FLPN, and the cause of highest yield in BPSS was higher light-penetrated ratio during spring and fall season, higher survived-leaf ratio, and lower rusty-root ratio than that of APSS and FLPN. BPSS showed highest total ginsenoside content because of high light-penetrated ratio, blue light effect, and the difference in dry matter partitioning ratio such as low taproot ratio, and high lateral root ratio.
Keywords
Ginseng; Shade Material; Root Yield; Ginsenoside; Paddy Field;
Citations & Related Records
Times Cited By KSCI : 15  (Citation Analysis)
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