管胞长度在树干水平及垂直方向的变异,是林业科学吸引人的领域,一个多世纪以来,不断有人进行这方面的研究,但缺乏马尾松(Pinus massoniana Lamb.)和杉木(Cunning hamia lanceolata Hook.)的报道,补充这两个有代表性树种的资料是有意义的。由于马尾松木材大量用于造纸,本试验侧重这个树种,测定了不同产地的管胞长度,供纤维利用时参考。 The variation of tracheid length at the trunk level and in the vertical direction is an attractive field of forestry science. More and more studies have been conducted on this area for more than a century, but Pinus massoniana Lamb and Cunning hamia lanceolata Hook .) It is interesting to supplement the information of these two representative tree species. As a large number of masson pine timber for papermaking, this experiment focused on this tree species, determination of tracheid length in different areas of origin, for fiber utilization reference.