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Title: Effect of dormancy on the development of phloem fiber clusters
Authors: Baba, Kei’ichi
Kurita, Yuko
Mimura, Tetsuro
Author's alias: 馬場, 啓一
Keywords: Annual rhythm
Phloem fiber
Issue Date: 9-Aug-2019
Publisher: Springer Science and Business Media LLC
Journal title: Journal of Wood Science
Volume: 65
Thesis number: 40
Abstract: The development of phloem fibers was investigated in poplars grown under artificially fixed conditions and under an artificially shortened annual cycle system that includes a dormancy phase. The phloem tissues in these trees formed two- or three-layer fiber clusters; however, clusters in trees that underwent periodic dormancy were larger than those in trees that did not. Individual fibers were also larger in the former than in the latter, as assessed on transverse sections. Differences were most pronounced in the radial diameter of fibers in the layer nearest the cambium. These results suggest that dormancy affects both the size of fiber clusters and the diameter of individual fibers. Furthermore, these results imply that dormancy affects the development of phloem fibers, and that the shortened annual cycle system is a useful model for investigating phloem development caused by dormancy repetition.
Rights: © The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
DOI(Published Version): 10.1186/s10086-019-1819-z
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