【摘要】 本文从此较解剖上观察了青檀(Pteroceltis tatarinowii Maxim.)的1、2、4及6年等各年生枝中韧皮纤维的分布及其形态特征,发现2—4年生枝的树皮,其韧皮纤维的相对含量较多,韧皮纤维较长,长宽比值较大;加以此等枝龄的树皮中,周皮和射线的扩展组织都还不很发达等,都说明了青檀2—4年生枝的树皮,用制宣纸最为合适。另外也从解剖学上说明了过幼(当年生枝)或过老(6年生以上)的树皮不适合造纸的原因。这些分析结果与制造宣纸工艺上对于青檀原料的要求,基本上是相符合的。同时,这些结果也可作为利用其他植物的树皮作造纸或纺织原料时,提供取材上的参考。更多还原

【Abstract】 A comparative study in the distribution and morphological characteristics of the phloem fibers in a number of branches of 1,2,4 and 6 years of age of Pteroceltis tatarinowii Maxim,were undertaken.The relative amount of the phloem fibers in the 2—4 years old branches was much greater than that in any other aged branches.The length as well as the length/width ratio of the phloem fibers was also the greatest in the 2—4 years group.Such characters together with the fact that the periderm and the dilated meristem in the bark were yet underdeveloped,all indicated that the 2—4 years old branches were most suitable for the Suan-paper manufacture.By the same token,one explained why the first year or more than 6 years old branches were not usable for paper manufacture. The results of this anatomical analysis were foundamentally pertinent to the technical data of Suan-paper fabrication.Furthermore,they were available as references to the use of bark from other plants for paper production or textile.更多还原