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RISS 인기검색어
- 검색키워드
- 저자 : Vasantha P. V. Rupasinghe (검색결과 2 건)
- 무료
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- 유료
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Morphological and Ginsenoside Differences among North American Ginseng Leaves
John T. A. Proctor,Alan J. Sullivan,Vasantha P. V. Rupasinghe,Chung-Ja C. Jackson 고려인삼학회 2011 Journal of Ginseng Research Vol.35 No.2
Leaf characteristics of mature 2, 3 and 4-year-old North American ginseng (Panax quinquefolius L.) leaves on fruiting and nonfruiting (NF) plants were studied. Leaflets of the 2-year-old plants had the lowest fresh and dry weight, area, volume and internal gas volume. Inflorescence removal in 3-year-old plants did not affect leaf characteristics or ginsenoside concentration but in 4-yearold plants it increased leaf fresh (38.6%) and dry (43.9%) weight, leaf area (29.1%), specific leaf mass (11.4%), leaf volume (43.1%), and leaf thickness (12.1%), and decreased leaf water content (6.2%). Cultivated ginseng, although an understorey plant, had the specific leaf mass, 35.6 g m?² (range, 36 to 39 g m?²) and a chlorophyll a/b ratio of 2.40 to 2.61, both suggesting the ability to perform like a sunny habitat plant. Also, specific leaf mass of 35.6 g m?² is similar to that reported for perennial plants, 36.8 g m?², rather than that for annuals, 30.9 g m?².
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Morphological and Ginsenoside Differences among North American Ginseng Leaves
Proctor, John T.A.,Sullivan, Alan J.,Rupasinghe, Vasantha P.V.,Jackson, Chung-Ja C. The Korean Society of Ginseng 2011 Journal of Ginseng Research Vol.35 No.2
Leaf characteristics of mature 2, 3 and 4-year-old North American ginseng (Panax quinquefolius L.) leaves on fruiting and non-fruiting(NF) plants were studied. Leaflets of the 2-year-old plants had the lowest fresh and dry weight, area, volume and internal gas volume. Inflorescence removal in 3-year-old plants did not affect leaf characteristics or ginsenoside concentration but in 4-year-old plants it increased leaf fresh (38.6%) and dry (43.9%) weight, leaf area (29.1%), specific leaf mass (11.4%), leaf volume (43.1%), and leaf thickness (12.1%), and decreased leaf water content (6.2%). Cultivated ginseng, although an understorey plant, had the specific leaf mass, 35.6 g $m^{-2}$ (range, 36 to 39 g $m^{-2}$) and a chlorophyll a/b ratio of 2.40 to 2.61, both suggesting the ability to perform like a sunny habitat plant. Also, specific leaf mass of 35.6 g $m^{-2}$ is similar to that reported for perennial plants, 36.8 g $m^{-2}$, rather than that for annuals, 30.9 g $m^{-2}$.
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