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KMID : 1098420140220050384
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Korean Journal of Medicinal Crop Science
2014 Volume.22 No. 5 p.384 ~ p.390
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Characteristics of Growth and Root Development of Peucedanum japonicum Seedling by Shading Rate and Container Size
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Song Ki-Seon
Jeon Kwon-Seok
Yoon Jun-Hyuck
Kim Chang-Hwan
Park Yong-Bae
Kim Jong-Jin
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Abstract
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This study was carried out in order to investigate the early growth and root development characteristics of Peucedanum japonicum container seedlings. The experiment was performed by containers (128 and 200 cavities containers) and shading levels (0%, 35%, 50% and 75% shading). Germination rate of P. japonicum seeds was getting higher in the lower shading level and the highest in the full sunlight (71.9%). Plant height was the highest under 50% shading of all containers. Fresh weight and dry weight of the shoot (leaves + stem) were the highest under 50% shading of all containers, too. Meanwhile, fresh weight and dry weight of the root per plant were the highest under the full sunlight of 128 cavities container such as 0.34 g and 0.03 g, respectively. Total root length, root project area and root surface area were higher under the full sunlight of 128 cavities container such as 234.5 cm, and , respectively and the next higher was under 35% shading such as 201.7 cm, and , respectively. A case of root volume was the highest with under the full sunlight. As a result of the surveying the whole experiment, it is concluded that the shoot and root of P. japonicum seedling grow nicely by maintaining 35% shading.
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KEYWORD
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Early Growth, Germination Rate, Peucedanum japonicum, Root Development
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