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KMID : 1098420180260030240
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Korean Journal of Medicinal Crop Science
2018 Volume.26 No. 3 p.240 ~ p.247
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Influence of Sodium Concentrations on Growth, Physiological Disorder Symptoms, and Bed Soil Chemical Properties of 2-Year-Old Ginseng
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Yu Jin
Suh Soo-Jung
Jang In-Bae
Jang In-Bok
Moon Ji-Won
Kweon Ki-Bum
Lee Sung-Woo
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Abstract
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Background: Saline soil has negative effects on the growth of most crops. Sodium is the main element that causes salt accumulation in soil. Organic materials such as cow and poultry manure, are frequently used during the preparation stage, which causes an increase in the rate of salt accumulation in the soil.
Methods and Results: To investigate the influences of sodium on ginseng, NaH2PO4, Na2SO4, and NaCl were used to adjust the sodium concentrations at 0, 12.5, 25, 50, 75 and 100 mM in nutrient solution. In a 2-year-old ginseng, toxic symptoms appeared when the sodium treatment exceeded 50 mM. The sodium concentration in the leaves was 3.33%, which is more than twice as high as that of the control treated at 50 mM. As the sodium concentration increased, the root weight significantly decreased. In the 100 mM treatment, the weight decreased by 28% when compared to that of the control. The Amount of ginsenoside significantly increased with an increase in sodium concentrations.
Conclusions: These results suggest that the growth of 2-year-old ginseng is negatively affected when sodium exceeds 50 mM. This result can be used for a as basis in diagnosing the physiological disorders of ginseng.
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KEYWORD
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Panax ginseng C. A. Meyer, Physiological Disorder, Sodium, Toxicity
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