摘要
【目的】分析野生青檀纤维形态特征及其差异,为青檀优质资源的筛选提供依据。【方法】以湖北省不同地区19个野生青檀种群为对象,采用果胶酶法分离檀皮纤维细胞,检测其纤维长度、宽度及长宽比等指标,并比较不同种群各指标之间的差异。【结果】湖北野生青檀纤维平均长度为1 499.68μm,平均宽度为8.90μm,长宽比为168.91;不同种群的纤维形态指标总体上存在极显著差异,种群18(广水三潭)和种群1(保康五道峡)的纤维形态显著优于其他种群,二者纤维平均长度为2 248.46μm,平均宽度为9.82μm,长宽比为237.65。【结论】湖北野生青檀纤维适宜作为宣纸原料;其中广水三潭和保康五道峡的野生青檀可作为湖北省青檀优质资源加以利用。
【Objective】Pteroceltis tatarinowii is an economically important tree species widely used in Xuan paper industry due to the presence of high-quality fibers in its barks.Understanding the differences infiber morphology among wild P.tatarinowii populations could provide essential background for high-quality fiber resources screening.【Method】The length,width,and ratio of length to width of fiber cells were measured and compared among nineteen wild P.tatarinowii populations in Hubei Province,using the pectinase solution to separate fiber cells.【Result】In general,the average fiber length,the average width,and the ratio of length to width among populations were 1 499.68 μm,8.90 μm,and 168.91 respectively.Significant differences in overall fiber morphology indices were evident.Both population 18(from Santan Scenic Area) and population 1(from Five Gorge Scenic Area) were superior than that of the other populations,with the average fiber length,the average fiber width and the ratio of fiber length to width of the two populations being 2 248.46μm,9.82 μm,and 237.65 respectively.【Conclusion】The fiber of wild P.tatarinowii populations in Hubei Province is a suitable raw material for producing Xuan paper,and the populations from Santan Scenic Area and Five Gorge Scenic Area could be utilized as potential high-quality fiber resources.
引文
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