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YANG Yan, TANG Jie, LI Yongjin, TANG Yuxi, LI Lei. Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210481
Citation: YANG Yan, TANG Jie, LI Yongjin, TANG Yuxi, LI Lei. Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210481

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Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China

doi: 10.11833/j.issn.2095-0756.20210481
  • Received Date: 2021-07-12
  • Accepted Date: 2022-03-27
  • Rev Recd Date: 2022-03-11
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China

doi: 10.11833/j.issn.2095-0756.20210481

Abstract:   Objective  With an investigation of differences among wood fiber related traits and their correlation with growth traits among tested poplar (Populus) clones, this paper provides basic information and guidance for the targeted cultivation and selection as well as the utilization of high-quality poplar clones.   Method  Seven poplar clones, including XL-80, XL-86, XL-83, XL-58, XL-75, ZH-17 and I-69 (ck) with straight trunk and large growth were chosen before the principal component comprehensive score method was employed to evaluate the fiber traits of each clone with indexes including fiber length, fiber width, fiber length-width ratio, cellulose mass fraction and cellulose content per plant.   Result  The wood fiber length range of the seven poplar clones was 0.95−1.12 mm, all meeting the standard of intermediate fiber length 0.91−1.60 mm stipulated by the International Society of Wood Anatomy. The length to width ratio of fiber varied from 49.09 to 54.62, which is 63.67%−82.00% of the length to width ratio (30) required for paper making. The cellulose mass fraction varied from 53.06% to 59.66%, exceeding the basic requirement (40%) of paper making cellulose content. Fiber width was positively correlated with height, diameter at breast height (DBH) and biomass but not significantly (P>0.05). Fiber length, fiber length-width ratio and cellulose mass fraction were negatively correlated with DBH, tree height and growth, respectively, but not significantly (P>0.05). Five clones with good traits were selected by principal component comprehensive score method, namely XL-80, XL-58, XL-86, ZH-17, and XL-83.   Conclusion  The five selected fiber clones have integrated the excellent characteristics of each character, which could maximize the utilization of poplar clones and provide more abundant genetic resources for poplar multi-objective breeding. [Ch, 6 tab. 24 ref.]

YANG Yan, TANG Jie, LI Yongjin, TANG Yuxi, LI Lei. Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210481
Citation: YANG Yan, TANG Jie, LI Yongjin, TANG Yuxi, LI Lei. Analysis and evaluation of growth and wood fiber characters of seven poplar clones in southern China[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210481
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