J Integr Plant Biol. ›› 1965, Vol. 13 ›› Issue (4): -.

• Research Articles •    

Comparative Anatomy of Phloem Fibers in Different-aged Branches of Pteroceltis tatarinowii Maxim.

C. L. Lee, Y. S. Hu and S. J. Liu   

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 tatari- nowii 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.

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