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KMID : 1098420120200040231
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Korean Journal of Medicinal Crop Science
2012 Volume.20 No. 4 p.231 ~ p.237
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Variations of Agronomic Characteristics of Cultivars and Breeding Lines in Korean Ginseng (Panax ginseng C. A. Mey
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Bang Kyong-Hwan
Seo A-yeon
Kim Young-Chang
Jo Ick-Hyun
Kim Jang-Uk
Kim Dong-Hwi
Cha Sun-Woo
Cho Yong-Gu
Kim Hong-Sig
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Abstract
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These studies were conducted to provide basic information on Korean ginseng cultivars and breeding lines (Panax ginseng C. A. Mey.) and to identify the variations that can be utilized in ginseng breeding programs. The agronomic
characteristics was used to clarify the genetic relationships among Korean ginseng cultivars and breeding lines and to classify them into distinct genetic groups. Angle of petiole and number of fibrous root showed a wide variation from 15.0~67.8 o and 0~5, respectively. The average plant length was 54.2 ㎝ with a range of 37.9~64.8 ㎝ and the average stem diameter was 5.6 ㎜ with a range of 4.0~7.5 ㎜. The average stem length was 31.9 ㎝ with a range of 21.8~37.9 ㎝ and the average root weight was 38.1 g with a range of 23.0~52.0 g. The 24 Korean ginseng cultivars and breeding lines were classified into 4 groups based on agronomic characteristics using the complete linkage cluster analysis. The Ⅰ, Ⅱ, Ⅲ and Ⅳ groups included the 60.8%, 7.4%, 13.1% and 8.7% of the cultivars and breeding lines, respectively. The breeding lines in group Ⅰ could be characterized as the group with the highest growth characters and yield components, such as plant length, stem diameter and root weight. The root weight, the yield component, had highly significant positive correlations with stem diameter, plant length and stem length.
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KEYWORD
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Ginseng, Agronomic Characteristics, Cultivar, Breeding Line
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