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以维管束密度和纤维比量的检测分析结果为依据，认定云南４种材用丛生竹（龙竹、甜龙竹、黄竹和油勒竹）的结构具较大差异；同一竹种沿竹秆径向和纵向的结构是不均匀的，且径向上的不均匀性远较纵向上的不均匀性为高，但竹材梢部的结构均匀性较其基部的为好．４种竹种的维管束密度与纤维比量的分布规律虽然具有一定的相似性，却没有绝对的正相关关系．上述结果为云南竹材的工业化开发利用提供了一定的基础性依据．
Based on the results of detection and analysis of vascular bundle density and fiber ratio, it was found that there was a big difference in the structure of bamboo (bamboo, sweet dragon, yellow bamboo and oleander bamboo) The radial and longitudinal structure of the stems is not uniform, and the radial inhomogeneities are much higher than the vertical ones, but the structural uniformity of the bamboo tip is better than that of the base. There was no absolute positive correlation between the distribution of vascular bundle density and fiber ratio of four kinds of bamboo species though they had some similarities. The above results provide a certain basis for the industrialization and utilization of bamboo in Yunnan.