Background Ginseng ( Panax ginseng Meyer) is an important medicinal herbs in Asia. However, ginseng varieties are less developed. Method To developed ginseng varieties, a pure line selection method was applied in this study. Results Gumpoong was testing of 4-yr-old specimens in 2002, the proportions of the below-ground roots that were rusty colored for Gumpoong was 1.29 in Daejeon and 1.45 in Eumseong, whereas the proportions for its yellow berry variant were 2.60 and 2.45 in the two regions, respectively. Thus the Gumpoong was resistant to root rust. Sunpoong has a high yielding property. Its average root weight is 70.6?g for 6-yr-old roots. Its yield is 2.9?kg/1.62m2 and the rate of heaven- and earth-grade product is 20.9%, which is very high compared to 9.4% for Yunpoong. Sunone is resistance to root rot and the survival rate of 4-yr-old roots was 44.4% in 1997, whereas that of the violet-stem variant landrace was 21.7%. Sunhyang has content of arginyl-fructosyl-glucose (AFG), which produces the unique scent of red ginseng, is 95.1?μmol/g and greater than the 30.8?μmol/g of Chunpoong in 6-yr-old plants. Sunun and Cheongsun are being nurtured to protect genetic resources. Conclusion Developed ginsneg varieties will be used as the basis for the protection of genetic resources and breeding. Keywords: breeding, Korean, KGC, Panax ginseng , variety.
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