[1]冷春晖,易敏,张露,等.刨花楠木材主要解剖性状与材性快速评估指标间的关系[J].林业工程学报,2019,4(05):46-53.[doi:10.13360/j.issn.2096-1359.2019.05.007]
　LENG Chunhui,YI Min,ZHANG Lu,et al.Study on the relationship between main wood anatomical traits and wood properties rapid assessment indexes of Machilus pauhiol[J].Journal of Forestry Engineering,2019,4(05):46-53.[doi:10.13360/j.issn.2096-1359.2019.05.007]
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刨花楠木材主要解剖性状与材性快速评估指标间的关系()
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《林业工程学报》[ISSN:1001-8081/CN:32-1160/S]

卷:
4
期数:
2019年05期
页码:
46-53
栏目:
木材科学与技术
出版日期:
2019-09-16

文章信息/Info

Title:
Study on the relationship between main wood anatomical traits and wood properties rapid assessment indexes of Machilus pauhiol
文章编号:
2096-1359(2019)05-0046-08
作者:
冷春晖; 易敏; 张露; 李响; 程子珊; 谌梦云; 刘思羽; 赖猛*
江西农业大学,江西特色林木资源培育与利用2011协同创新中心,江西省森林培育重点实验室,南昌 330045
Author(s):
LENG Chunhui;  YI Min;  ZHANG Lu;  LI Xiang;  CHENG Zishan;  CHEN Mengyun;  LIU Siyu;  LAI Meng*
Jiangxi Provincial Key Laboratory of Silviculture, 2011 Collaborative Innovation Center of Jiangxi Typical Trees Cultivation and Utilization, Jiangxi Agricultural University, Nanchang 330045, China
关键词:
刨花楠;  木材解剖性状;  材性快速评估;  木材性质快速测定
Keywords:
Machilus pauhiol;  wood anatomical traits;  wood properties rapid assessment;  wood properties rapid determination
分类号:
S781
DOI:
10.13360/j.issn.2096-1359.2019.05.007
文献标志码:
A
摘要:
为开发准确、快速、低损的木材解剖性状测定方法以简化育种程序,提高育种效率,以17年生刨花楠人工林为研究对象,综合利用Pilodyn、微秒计等材性快速评估仪器以及SilviScan、L&W Fiber Tester等木材性质快速测定仪,研究材性快速评估指标和木材解剖性状之间的相关关系及其内在的影响途径,初步建立刨花楠木材解剖性状快速评估模型。结果表明:在6个解剖性状中,Pilodyn测定值(Pr)与纤维壁腔比(RCC)(R=-0.803),纤维粗度(FC)(R=-0.453)和纤维宽度(FW)(R=0.676)呈极显著相关关系; 除FC外,应力波速(v)与其余5个解剖性状均呈显著至极显著的相关关系。RCC和FW成为对Pr影响较大的两个因子,两者对Pr的贡献率达73.0%,其中,以RCC的贡献率为主,达44.6%; 对v影响最大的因子为微纤丝角(MFA),其贡献率为27.4%。Pr与RCC和FW、v与MFA之间的线性回归方程分别为RCC=0.277-0.008 Pr(F=127.816**,R2=0.641)、FW=18.934+0.590 Pr(F=63.118**,R2=0.467)、MFA=36.544-6.371 v(F=24.286**,R2=0.247),3个模型的预估精度分别为98.59%,99.16%,97.26%,说明Pr能对RCC和FW进行较好的预测,v能对MFA进行较好的预测。因此,采用Pilodyn和微秒计等木材材性快速评估仪器可对RCC、FW和MFA进行快速评估; 建立的模型可为刨花楠人工林木材解剖性状的早期预测提供理论依据,同时为其他树种材性早期选育提供参考。
Abstract:
This research is to systematically analyze the relationship between the rapid assessment indexes of wood properties and wood anatomical traits and its internal influence pathways using a 17-year-old Machilus pauhiol plantation tree.Based on Pilodyn, Microsecond timer and the wood property rapid determination apparatus like SilviScan and L&W Fiber Tester, a rapid assessment model for wood anatomical traits of M.pauhiol was established.This research could be an important support for developing an accurate, rapid and low-loss method for the determination of wood anatomical traits to simplify the breeding procedures and improve the breeding efficiency.The results showed that among the six wood anatomical traits, the measured values of Pilodyn(Pr)were significantly correlated with the fiber wall cavity ratio(RCC)(R=-0.803), the fiber coarseness(FC)(R=-0.453)and the fibre length(FW)(R=0.676).In addition to FC, the wave velocity(v)was significantly correlated with the other five wood anatomical traits.RCC and FW were two factors that had a great influence on Pr, and their contribution rate to Pr was 73.0%.Among them, the contribution rate of RCC was 44.6%.The most influential factor on v was the microfibrillar angle(MFA), and whose contribution rate was 27.4%.The linear regression equation between RCC and Pr was RCC=0.277-0.008 Pr(F=127.816**, R2=0.641), and the equation between FW and Pr was FW=18.934+0.590 Pr(F=63.118**, R2=0.467).The estimated accuracy of the two models was 98.59% or 99.16%, respectively, which indicated that Pr could be used to predict RCC and FW.The linear regression equation between MFA and v was MFA=36.544-6.371v(F=24.286**, R2=0.247), and the estimated accuracy of the model was 97.26%, indicating that v could be used to predict MFA.Therefore, the wood properties of RCC, FW and MFA could be rapidly determined using the rapid assessment instruments such as the Pilodyn and Microsecond timer.The model established in this article provided a theoretical basis for the early prediction of wood anatomical traits of M.pauhiol plantation tree and also a reference for the early selection and breeding of wood properties of other tree species.

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　LENG Chunhui,YI Min,ZHANG Lu,et al.Application of wood properties rapid assessment technology in prediction of wood density and modulus of elastic of standing tree of Machilus pauhiol[J].Journal of Forestry Engineering,2018,3(05):56.[doi:10.13360/j.issn.2096-1359.2018.06.009]

备注/Memo

备注/Memo:
收稿日期:2019-01-17 修回日期:2019-06-01
基金项目:国家自然科学基金(31860220); 国家重点研发计划(2017YFD0600502-5); 江西林业科技创新专项(201811); 江西省青年科学基金(20181BAB214015)。
作者简介:冷春晖,女,研究方向为林木遗传育种。通信作者:赖猛,男,讲师。E-mail:laimeng21@163.com
更新日期/Last Update: 2019-09-10