Physicochemical Characteristics of 3-Year-Old Ginseng by Various Seeding Density in Direct-Sowing Culture
2010
Seong, B.J., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Kim, G.H., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Kim, H.H., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Kim, S.I., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Han, S.H., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea | Lee, K.S., Geumsan Ginseng and Medicinal Crop Experiment Station, CNARES, Geumsan, Republic of Korea
This study was carried out to investigate the physicochemical characteristics of 3-year-old ginseng (for Samgyetang product) cultured by various seeding density in direct-sowing culture. Ginsengs were cultured by the seeding density, 275, 300, 330, 352 and 396 seeds per Kan, 180 × 90 cm area. Survived rate (82.1%) were the highest in plot of 352 seeds sowed, length and leaf width were high in plot of 300 and 352 seeds. Root yield grain was increased with increase of the seeding density in direct-sowing culture except 352 seeds sowed. Average root weight and diameter were the highest in plot of 352 seeds sowed, 31.6 g and 18.4 mm, respectively. Crude saponin and each ginsenosides content were the highest in plot of 275 seeds sowed. Rg1 content was decreased, Rc and Rb2 content were increased with increase of the seeding density. Total soluble sugar content was the highest in plot of 330 seeds sowed and the lowest in plot of 396 seeds sowed, and oligo- and disaccaride content were high in plot of 330 and 352 seeds sowed. Reological characteristics of ginsengs cultivated according to various seeding density, hardness and springness were high and maximum fracture force was low with decrease of the seeding quantity.
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