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dc.contributor.authorZimmer, Katrin
dc.contributor.authorTreu, Andreas
dc.date.accessioned2021-10-20T09:08:10Z
dc.date.available2021-10-20T09:08:10Z
dc.date.created2021-06-07T13:44:08Z
dc.date.issued2021-05-26
dc.identifier.citationZimmer, K., & Treu, A. (2021). Lignification and cell wall thickening of ray parenchyma cells in Scots pine sapwood. IAWA Journal, 42(3), 235–243.en_US
dc.identifier.issn0928-1541
dc.identifier.urihttps://hdl.handle.net/11250/2824042
dc.description.abstractScots pine exhibits variations in ray anatomy, which are poorly understood. Some ray parenchyma cells develop thick and lignified cell walls before heartwood formation. We hypothesized that some stands and trees show high numbers of lignified and thick-walled parenchyma cells early in the sapwood. Therefore, a microscopic analysis of Scots pine sapwood from four different stands in Northern Europe was performed on Safranin — Astra blue-stained tangential micro sections from outer and inner sapwood areas. Significant differences in lignification and cell wall thickening of ray parenchyma cells were observed in the outer sapwood between all of the stands for the trees analyzed. On a single tree level, the relative lignification and cell wall thickening of ray parenchyma cells ranged from 4.3% to 74.3% in the outer sapwood. In the inner sapwood, lignification and cell wall thickening of ray parenchyma cells were more frequent. In some trees, however, the difference in lignification and cell wall thickening between inner and outer sapwood was small since early lignification, and cell wall thickening was already more common in the outer sapwood. Ray composition and number of rays per area were not significantly different within the studied material. However, only one Scottish tree had a significantly higher number of ray parenchyma cells per ray. The differences discovered in lignification and cell wall thickening in ray parenchyma cells early in the sapwood of Scots pine are relevant for wood utilization in general and impregnation treatments with protection agents in particular.en_US
dc.language.isoengen_US
dc.publisherBrillen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleLignification and cell wall thickening of ray parenchyma cells in Scots pine sapwooden_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© Katrin Zimmer and Andreas Treu, 2021en_US
dc.source.pagenumber235-243en_US
dc.source.volume42en_US
dc.source.journalIAWA Journalen_US
dc.source.issue3en_US
dc.identifier.doi10.1163/22941932-bja10063
dc.identifier.cristin1914191
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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