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Annual Ring Formation of Major Wood Species Growing in Chuncheon, Korea(I) - The Period of Cambium Activity -  

Kwon, Sung Min (College of Forest Sciences, Kangwon National University)
Kim, Nam Hun (College of Forest Sciences, Kangwon National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.33, no.4, 2005 , pp. 1-8 More about this Journal
Abstract
The initiation and cessation of cambial activities were investigated to find out the growth characteristics of the major species growing in Chuncheon, Korea. The division of cambial zone in Pinus densiflora and Pinus koraiensis began from the middle of March through the end of March. The activity of cambial zone in P. densiflora and P. koraiensis was vigorous from the end of May through the middle of July. During this period the number of cells increased rapidly in radial direction. However, the number of cells in P. densiflora was gradually increased. The division of cambial zone in ring-porous wood, such as Quercus mongolica and Robinia pseudoacacia began in the middle of March, before the formation of vessel. The division of cambial zone in diffuse-porous wood, such as Cornus controversa and Prunus sargentii, began in early April, and then the formation of vessels began after one to three weeks. It was considered that the cambial zone in softwood was ceased from the beginning of November, whereas cambial activities in hardwood ceased in the middle of October. Consequently, the formation of growth ring was different among the species, even though the trees were grown under the same conditions.
Keywords
annual ring formation; cambial zone; cessation of cambium; vessel;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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