Effects on Pinus densiflora Seedlings as Affected by Different Container Growth Conditions

Jae Hwan Kim, Byoung-Youn Kang, Jungho Ryu and In-Hyun Nam
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Jae Hwan Kim: Department of Human Environment Design, College of Science, Cheongju University, Cheongju 28503, Korea
Byoung-Youn Kang: Chungbuk Farm Company Farming Association Corporation, Okcheon 29061, Korea
Jungho Ryu: Geologic Environment Research Division, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon 34132, Korea
In-Hyun Nam: Geologic Environment Research Division, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon 34132, Korea

IJERPH, 2020, vol. 17, issue 10, 1-10

Abstract: The purpose of this study was to determine the effects that different container conditions have on Pinus densiflora seedling growth. Under greenhouse cultivation, there were no statistical differences observed in plant height and the number of branches; however, significant differences in root collar diameter and root status were observed. In control container growth conditions, the roots grew in an abnormal spiral shape, while in negative phototropism container growth conditions the roots grew in a vertical shape. In outdoor cultivation, seedlings in various container growth conditions showed significant differences. The seedlings that were grown in negative phototropism container growth conditions showed the greatest increases in height, number of branches, root collar diameter, and root growth. This study determined that seedling roots in negative phototropism container growth conditions grew vertically, thus displaying successful rooting when they were transplanted outdoors. This resulted in favorable measurements in height, number of branches, root collar diameter, and root growth.

Keywords: negative phototropism; seedling growth; root collar diameter; root status; Pinus densiflora seedling (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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