摘要
对不同树龄(3～7年)三倍体毛白杨圆叶、裂叶及中林杨的纤维形态进行测试,并将结果进行纵横向的比较。结果表明:纤维长度随树龄递增而增加,纤维宽度的变化规律是在20～24μm不规则地波动,长宽比的变化规律与纤维长度的变化规律基本一致,壁腔比均小于1。三倍体毛白杨和中林杨之间的纤维特性又有较大区别,主要体现在三倍体毛白杨纤维长度变化比较缓慢,在树龄为5～7年达到最大值,纤维长度达到(峰值)稳定的时间较短;而中林杨纤维长度直到7年时仍呈增大趋势,变化幅度较明显。
The fibre morphology of round leaf variety and decomposite leaf variety of triploid populus tomentosa （ 3-7 year） and that of Zhonglin aspen was tested and vertical and horizontal comparisons were made. The results show that the fibre length increases with the increase of the tree age, the fiber width changes between 20 - 24 μm irregularly, the change of the length-width ratio is basically the same with the change of the fibre length and the ratio of wall to cavity are all smaller than 1. There exists a great difference in the fiber characteristics of triploid populus tomentosa and that of Zhonglin aspen： for the triploid populus tomentosa, the fibre length changes slower with the peak value at 5-7 years old and the stable time for the peak value of fibre length is shorter, while the fibre length of the Zhonglin aspen still has a increasing trend until 7 years old with remarkable changes.
出处
《中华纸业》
CAS
北大核心
2006年第5期71-73,共3页
China Pulp & Paper Industry
基金
北京林业大学研究生自选课题资助基金项目
并得到了三倍体毛白杨产业化项目(200-621220)的资助。
关键词
三倍体毛白杨
纤维长度
纤维宽度
壁腔比
triploid populus tomentosa
fibre length
fiber width
ratio of wall to cavity
