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논문 기본 정보

자료유형
학술저널
저자정보
Ok Ran Lee (Chonnam National University) Ngoc Quy Nguyen (Chonnam National University) Kwang Ho Lee (Chonnam National University) Young Chang Kim (Rural Development Administration) Jiho Seo (Korea Ginseng)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.41 No.4
발행연도
2017.10
수록면
463 - 468 (6page)

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초록· 키워드

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Background: Both Panax ginseng Meyer and Panax quinquefolius are obligate shade-loving plants whose natural habitats are broadleaved forests of Eastern Asia and North America. Panax species are easily damaged by photoinhibition when they are exposed to high temperatures or insufficient shade. In this study, a cytohistological study of the leaf structures of two of the most well-known Panax species was performed to better understand the physiological processes that limit photosynthesis.
Methods: Leaves of ginseng plants grown in soil and hydroponic culture were sectioned for analysis. Leaf structures of both Panax species were observed using a light microscope, scanning electron microscope, and transmission electron microscope.
Results: The mesostructure of both P. ginseng and P. quinquefolius frequently had one layer of noncylindrical palisade cells and three or four layers of spongy parenchymal cells. P. quinquefolius contained a similar number of stomata in the abaxial leaf surface but more tightly appressed enlarged grana stacks than P. ginseng contained. The adaxial surface of the epidermis in P. quinquefolius showed cuticle ridges with a pattern similar to that of P. ginseng.
Conclusion: The anatomical leaf structure of both P. ginseng and P. quinquefolius shows that they are typical shade-loving sciophytes. Slight differences in chloroplast structure suggests that the two different species can be authenticated using transmission electron microscopy images, and light-resistant cultivar breeding can be performed via controlling photosynthesis efficiency.

목차

ABSTRACT
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusions
References

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