[1]严瑞昌,吕运舟,叶萌,等.不同外皮形态榉树木材构造特征比较[J].江苏林业科技,2025,52(04):23-29.[doi:10.3969/j.issn.1001-7380.2025.04.005]
　Yan Ruichang,Lyu Yunzhou,Ye Meng,et al.Comparative study of wood anatomic properties from the trees of Zelkova serrata with different bark morphology[J].Journal of Jiangsu Forestry Science &Technology,2025,52(04):23-29.[doi:10.3969/j.issn.1001-7380.2025.04.005]
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不同外皮形态榉树木材构造特征比较()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第52卷
期数:
2025年04期
页码:
23-29
栏目:
试验研究
出版日期:
2025-08-31

文章信息/Info

Title:
Comparative study of wood anatomic properties from the trees of Zelkova serrata with different bark morphology
文章编号:
1001-7380（2025）04-0023-07
作者:
严瑞昌1; 吕运舟1; 叶萌2; 黄利斌1; 石江涛2; 董筱昀1*
1.江苏省林业科学研究院，江苏 南京 211153；
2.南京林业大学材料科学与工程学院，江苏 南京 210037
Author(s):
Yan Ruichang1;  Lyu Yunzhou1;  Ye Meng2;  Huang Libin1;  Shi Jiangtao2;  Dong Xiaoyun1*
1.Jiangsu Academy of Forestry, Nanjing 211153,China;
2.Nanjing Forestry University, Nanjing 210037,China
关键词:
榉树; 木材构造; 树皮形态; 边心材转变; 组织比量
Keywords:
Zelkova serrata;  Wood structure; Bark morphology;  Transition from heartwood to sapwood;  Tissue proportion
分类号:
Q944.1；Q944.6；S792.19
DOI:
10.3969/j.issn.1001-7380.2025.04.005
文献标志码:
A
摘要:
为了比较不同外皮形态榉树木材构造特征变化，选取光滑型、纵横浅裂型与纵向深裂型3类外皮形态榉树个体，采用微创取芯技术获取木芯，结合宏观观察、光学与荧光显微图像，对各样品的年轮宽度、心边材结构和组织比量进行系统分析，以评估外皮特征与木材构造特征的对应关系。结果表明：树干外皮的开裂形式在一定程度上反映了木材的径向生长量。开裂程度越大，木材径向年生长量越高；外皮的开裂形式与木材细胞组织比量，特别是木纤维存在一定的相关性；外皮开裂形态映衬了木材细胞尺寸与排列方式，如早材管孔的尺寸和排列、晚材管孔的尺寸。不同外皮形态在一定程度上对应了木材径向生长宽度、组织构成及细胞形态的差异，可用以体现榉树木材材性的特征。
Abstract:
To compare the wood anatomical characteristics of Zelkova serrata (Thunb.) Makino with different bark morphologies, the trunk of smooth, shallowly fissured (irregular transverse and longitudinal fissures), and deeply longitudinally fissured types were selected. Increment cores were collected at breast height using a minimally invasive coring technique. Macrographs, light microscopy, and fluorescence microscopy were employed to systematically analyze the annual ring width, heartwood–sapwood structure, and tissue proportions of each sample, aiming to evaluate the correspondence between bark fissure morphology and wood structure. The results showed that the degree of bark fissuring was positively associated with radial growth: individuals with more pronounced bark fissures exhibited significantly wider annual rings. In addition, bark fissure morphology was found to be correlated with wood tissue composition, especially the proportion of fibers. The fissure pattern of the bark also appeared to reffect cellular characteristics such of the size and arrangement of earlywood vessels and the diameter of latewood vessels. Overall, different bark fissure types corresponded to distinct patterns in radial growth, tissue distribution, and cell morphology, suggesting that external bark morphology may serve as a phenotypic indicator of wood quality traits in Z. serrata.

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备注/Memo

备注/Memo:
收稿日期：2025-04-16;修回日期：2025-05-27
基金项目：江苏省林业科学研究院自主科研项目"珍贵用材树种榉树、榔榆等新品种选育"（ZZKY202104）
作者简介：严瑞昌（1986- ），男，江苏姜堰人，助理研究员,硕士。主要研究方向为森林经营与管理。 E-mail: 764800451@qq.com
*通信作者：董筱昀(1984- )，女，河南正阳人，副研究员,硕士。主要从事林业技术推广工作。E-mail: 527971773@qq.com
更新日期/Last Update: 2025-11-05