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KMID : 1098420230310020065
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Korean Journal of Medicinal Crop Science
2023 Volume.31 No. 2 p.65 ~ p.72
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Effects of the Number of Seed Harvesting on Growth, Root Yield and Ginsenoside Content in Ginseng
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Kim Young-Chang
Kim Jang-Uk
Cho Ick-Hyun
Bang Kyeong-Hwan
Kim Dong-Hwi
Lee Jung-Woo
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Abstract
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Background : This study aimed to provide basic data for seed production and management system to the farmers via the degree of root yield reduction, based on continuous ginseng seed harvesting.
Methods and Results : Yunpoong and Gumpoong ginseng varieties were selected. The planting density was set to 70 plants in 7 rows and 10 column in a 1.8 m × 0.9 m plot. The number of seed harvesting was 1 to 4 times from 3-year-old while growing a 6-year-old. Twelve treatments were performed according to the annual number of seed harvest. For both ginseng varieties, root yield was the highest when treated without seed harvesting and it, decreased as the number of harvested seed increased. The rate of yield loss in ginseng was on average 24.8%, 36.4%, 45.0%, and 56.3% in the seeds harvested for 1, 2, 3, and 4 times, respectively, compared with non-harvesting. Contrastingly, no notable difference was observed between the number of harvested seeds and ginsenosides content in white and red ginseng.
Conclusions : Ginseng farmers can manage seed harvesting by evaluating root yield with the number of seeds harvests, Additionally, root loss can be effectively managed with continuous seed harvests while ensuring high quality.
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KEYWORD
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Panax ginseng C. A. Meyer, Ginsenoside Content, Seed Harvesting Number, Yield
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