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http://dx.doi.org/10.7732/kjpr.2022.35.2.183

Effect of Seed Moisture Content on Seed Storage of Dehisced Ginseng Seeds  

Suh, Su Jeoung (Department of Herbal Crop Research, NIHHS, RDA)
Yu, Jin (Department of Herbal Crop Research, NIHHS, RDA)
Jang, In-Bae (Department of Herbal Crop Research, NIHHS, RDA)
Kim, Young-Chang (Department of Herbal Crop Research, NIHHS, RDA)
Publication Information
Korean Journal of Plant Resources / v.35, no.2, 2022 , pp. 183-191 More about this Journal
Abstract
Ginseng (Panax ginseng C.A. Meyer) is a perennial plant and propagates by seeds, and those need after-ripening for germination. To be ready for climate change and to ensure a stable seed supply, the technique for storing seeds in short-term and long-term in large quantities is required. In this study, dehisced ginseng seeds from two locations, batch #1 and batch #2, were stored at -3.5℃ with different moisture content, and after 3, 15, and 27 months of storage, the percentage of radicle emergence and shoot emergence were measured. After 3 months, radicle emergence and shoot emergence were normal only when the seed moisture content was more than 35%, and overall, germination was higher in batch #2 than in batch #1. After 15 months, the partially dehydrated seeds, with a moisture content between 45 to 54%, showed the highest germination rates, and most of the undried seeds were spoiled and failed to germinate. Seeds with moisture content lower than 25% had poor germination, too. The partially dehydrated seeds also succeeded in germination and growth in the soil after 15 months of storage, but deteriorated after one more 1 year, too. In summary, ginseng seeds look like have temperate recalcitrant seed characteristics, and partial dehydration allows extension of seed longevity.
Keywords
Dehydration; Germination; Panax ginseng C.A. Meyer; Seeds; Storage;
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