Comparisons of tracheid lengths in Pinus densiflora Siebold & Zucc.: earlywood versus latewood and province versus province

IF 2.2 3区 农林科学 Q2 FORESTRY Holzforschung Pub Date : 2024-07-02 DOI:10.1515/hf-2023-0107
Jeong-Wook Seo, En-Bi Choi, Jun-Hui Park, Yo-Seob Lee, Hyun-Mi Lee, Eun-Sook Kim
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Abstract

The tracheid length (TL) in conifer species is a primary factor to determine quality of paper and wood products. However, TL in Pinus densiflora Siebold & Zucc., a dominant conifer species in Korea, has not been monitored systematically across the country yet. To this end, the TL of early- and latewoods of Korean red pine from 16 provinces of the Republic of Korea was measured and compared to verify the differences (1) between the monitoring years (2014–2018), (2) between early- and latewoods of the trees from the same provinces, and (3) between the early- and latewoods from different provinces. Analysis of 31,500 tracheids revealed that the variation of TL of early- and latewood from two and six out of 16 sites, respectively, were not statistically meaningful and the TL of latewood displayed a lower annual variation than that of the earlywood during the monitoring years. The TL of the latewood was longer than that of the earlywood; however, four out of 16 sites showed shorter TL for the latewood. So, it was verified that the relationship between the TL of the early- and latewood can change. Moreover, the TL was longer for the trees located in the southeast regions.
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Pinus densiflora Siebold & Zucc.的气管长度比较:早材与晚材以及省与省的比较
针叶树种的气管长度(TL)是决定纸张和木制品质量的主要因素。然而,韩国的主要针叶树种 Pinus densiflora Siebold & Zucc. 的气管长度尚未在全国范围内得到系统监测。为此,对大韩民国 16 个道的韩国红松早材和晚材的总材积进行了测量和比较,以验证(1)监测年份(2014-2018 年)之间的差异;(2)同一道的早材和晚材之间的差异;以及(3)不同道的早材和晚材之间的差异。对 31500 个气管进行分析后发现,在 16 个监测点中,分别有 2 个和 6 个监测点的早材和晚材的总材积变化无统计学意义,而且在监测年份中,晚材总材积的年变化低于早材总材积的年变化。晚材的总材积比早材的总材积长,但 16 个地点中有 4 个地点的晚材总材积较短。因此,早材和晚材的总材积关系会发生变化。此外,位于东南部地区的树木的总材积更长。
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来源期刊
Holzforschung
Holzforschung 工程技术-材料科学:纸与木材
CiteScore
4.60
自引率
4.20%
发文量
83
审稿时长
3.3 months
期刊介绍: Holzforschung is an international scholarly journal that publishes cutting-edge research on the biology, chemistry, physics and technology of wood and wood components. High quality papers about biotechnology and tree genetics are also welcome. Rated year after year as one of the top scientific journals in the category of Pulp and Paper (ISI Journal Citation Index), Holzforschung represents innovative, high quality basic and applied research. The German title reflects the journal''s origins in a long scientific tradition, but all articles are published in English to stimulate and promote cooperation between experts all over the world. Ahead-of-print publishing ensures fastest possible knowledge transfer.
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