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对于乳管堵塞指数的问题,已进行了很多研究。据Milford等观察,堵塞指数体现无性系的特性,与树龄无关,也较少受生境因素的影响。Narayanan等发现,堵塞指数在同一地区同一割制的不同无性系中有明显的差异;在同一地区同一无性系的不同割制中也有明显的差异。各月堵塞指数变化的分析结果也显示出季节性差异。本文是研究乳管堵塞与树皮特性的关系。
Much research has been done on the problem of the tube blockage index. According to Milford et al., The clogging index reflects clonal characteristics, has nothing to do with the age, but also less affected by habitat factors. Narayanan et al. Found that there was a significant difference in the clogging index among different clones of the same cut in the same area; there were also significant differences among different cuttings of the same clones in the same area. The analysis of the change in the blockage index for each month also showed a seasonal difference. This article studies the relationship between duct blockage and bark characteristics.