孝顺竹纤维生长形态特征研究

代亚星; 袁金玲; 华克达; 孙志虎; 于磊; 岳晋军; 陈双林

doi:10.12302/j.issn.1000-2006.202404008

孝顺竹纤维生长形态特征研究

代亚星, 袁金玲, 华克达, 孙志虎, 于磊, 岳晋军, 陈双林

南京林业大学学报（自然科学版） ›› 2025, Vol. 49 ›› Issue (4) : 23-28.

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南京林业大学学报（自然科学版） ›› 2025, Vol. 49 ›› Issue (4) : 23-28. DOI: 10.12302/j.issn.1000-2006.202404008

专题报道Ⅰ：第二十七届中国科协年会中国林学会分会场专题——代塑竹种资源培育创新（执行主编曹福亮李维林）

孝顺竹纤维生长形态特征研究

代亚星 ¹^,²^,³ ,
袁金玲 ²^,^* ,
华克达 ⁴ ,
孙志虎 ¹ ,
于磊 ² ,
岳晋军 ² ,
陈双林 ²

作者信息 +

Study on the fiber growth and development characteristics of Bambusa multiplex

DAI Yaxing ¹^,²^,³ ,
YUAN Jinling ²^,^* ,
HUA Keda ⁴ ,
SUN Zhihu ¹ ,
YU Lei ² ,
YUE Jinjun ² ,
CHEN Shuanglin ²

Author information +

文章历史 +

摘要

【目的】孝顺竹(Bambusa multiplex)为地下茎合轴丛生,在我国亚热带分布广泛,具有较好的适应性和耐寒性,通过解析其纤维生长形态特征,为合理利用和深入研究竹纤维资源提供依据。【方法】以孝顺竹的笋和秆为材料,通过富兰克林法分离纤维,利用纤维分析仪检测纤维性状并采用单因素方差分析和Pearson相关性分析节间长度与纤维性状之间的关系。【结果】①孝顺竹笋的第2~4节间的纤维性状没有显著差异,可以作为纤维生长研究的测试材料;在孝顺竹笋第2~4节间不同生长长度下,纤维长度、纤维长宽比和扭结率等3个性状呈正态分布,其中纤维长度(y₁)、纤维长宽比(y₂)与竹笋节间长度(x₁)呈极显著正相关(P<0.01),且二者与节间长度的回归方程分别为y₁=0.347 ln x₁+0.622,y₂=0.004x₁³-0.282x₁²+8.773 6 x₁+23.601。②孝顺竹秆的节间长度、纤维长度、纤维宽度、纤维长宽比和扭结角等5个性状在第1~13节间的差异达极显著水平(P<0.01),前4个性状随着节位数的增加呈先升高后降低的趋势,最后1个性状则呈波动上升趋势;其中节间长度、纤维长度和纤维长宽比均在第6节间达到最大值,分别为(46.35±6.44)cm、(2.55±0.05)mm和174.81±4.40;第2节间的纤维长度和纤维长宽比分别为(2.31±0.07) mm和(161.38±4.39),均最接近全秆平均值(2.31±0.03)mm、161.18±0.06。③孝顺竹秆的纤维长度、扭结指数和扭结率等3个性状呈正态分布,其中竹秆纤维长度(y₃)与节间长度(x₂)呈极显著正相关(P<0.01),纤维长度与节间长度的回归方程为y₃=0.857 x₂^0.28。④孝顺竹秆的全秆纤维长度等性状与竹龄的相关性不大;1~4年生孝顺竹全秆平均纤维长度、纤维宽度、纤维长宽比、平均卷曲度、扭结指数、扭结率、扭结角、细小纤维指数分别为(2.31±0.03)mm、(14.34±0.05)μm、161.18±0.06、(4.13±0.11)%、(200.30±4.97)%、(275.78±6.53)%、(24.95±0.05)°、(86.85±0.38)%。【结论】孝顺竹笋2~4节间发育过程中纤维性状稳定,纤维性状与节间长度有相关性,可用于探究竹笋纤维发育机制的材料;孝顺竹秆各节间的纤维性状有显著差异,体现了纤维发育的动态过程,纤维长度与节间长度呈显著正相关,全秆纤维长度等性状与秆龄相关性不大,表明竹秆纤维生长规律独特受多因素影响。

Abstract

【Objective】Bambusa multiplex has sympodial tufted rhizomes and is widely distributed in subtropical bamboo regions of China, with good adaptability and cold tolerance. Analyzing the morphological characteristics of its fiber growth provides a basis for the rational utilization and in-depth study of bamboo fiber resources.【Method】Using shoots and culms of B. multiplex as materials, fiber traits were detected by a fiber analyzer after fiber separation by the Franklin method, and the relationship between internodal length and fiber traits was analyzed by One-way analysis of variance (ANOVA) and Pearson’s correlation (PCR).【Result】Fiber traits in the 2nd to 4th internodes of B. multiplex shoots showed no significant differences, making them suitable test materials for fiber growth research. Under different growth lengths of the 2nd to 4th internodes in shoots, three traits—fiber length, ratio of fiber length to width and kink rate—exhibited normal distributions. Bamboo shoots fiber length (y₁) and ratio of fiber length to width (y₂) were extremely significantly positively correlated with shoot internode length (x₁), respectively. Their regression equations with internode length were: y₁ = 0.347 ln x₁ + 0.622, y₂ = 0.004 x₁³- 0.282 x₁² +8.773 6 x₁ + 23.601.In culms, five traits—internode length, fiber length, fiber width, ratio of fiber length to width, and kink angle—showed extremely significant differences among the 1st to 13th internodes. The first four traits increased and then decreased with increasing internode number, while the last trait showed a fluctuating upward trend. Internode length, fiber length, and ratio of fiber length to width reached their maximum values at the 6th internode, measuring (46.35±6.44) cm, (2.55±0.05) mm, and 174.81±4.40, respectively. Fiber length and ratio of fiber length to width in the 2nd internode [(2.31±0.07) mm and (161.38±4.39)] were closest to the whole-culm averages [(2.31±0.03) mm and (161.18±0.06)].In culms, three traits—fiber length, kink index, and kink rate—showed normal distributions. Bamboo culms fiber length (y₃) was extremely significantly positively correlated with culm internode length(x₂), described by the regression equation: y₃= 0.857 x₂^0.28. Traits such as whole-culm fiber length were not strongly correlated with culm age. For one-four-year-old B. multiplex culms, the average whole-culm fiber length, fiber width, ratio of fiber length to width, mean curl degree, kink index, kink rate, kink angle, and fine fiber index were (2.31±0.03) mm, (14.34±0.05) μm, 161.18±0.06, (4.13±0.11)%, (200.30±4.97)%, (275.78±6.53)%, (24.95±0.05)°, and (86.85±0.38)%, respectively.【Conclusion】The stable fiber traits in the 2nd to 4th internodes of B. multiplex shoots make them suitable for future research. The correlation between fiber traits and internode length aids in exploring the mechanisms of fiber development in bamboo shoots. Significant differences in fiber traits among culm internodes reflect the dynamic process of fiber development. The significant positive correlation between fiber length and internode length, along with the weak correlation between whole-culm fiber traits and culm age, indicate that bamboo fiber growth follows unique laws influenced by multiple factors.

导出引用

代亚星, 袁金玲, 华克达, 等. 孝顺竹纤维生长形态特征研究[J]. 南京林业大学学报（自然科学版）. 2025, 49(4): 23-28 https://doi.org/10.12302/j.issn.1000-2006.202404008

DAI Yaxing, YUAN Jinling, HUA Keda, et al. Study on the fiber growth and development characteristics of Bambusa multiplex[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2025, 49(4): 23-28 https://doi.org/10.12302/j.issn.1000-2006.202404008

中图分类号： S795

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