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首页> 外文期刊>Journal of Arboriculture >Branch junction characteristics affect hydraulic segmentation in red maple
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Branch junction characteristics affect hydraulic segmentation in red maple

机译：分支结特征影响红枫的水力分割

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摘要

The effect of branch morphological characteristics on hydraulic segmentation in red maple branch junctions was determined using hydraulic conductivity measurements. Relative branch size impacted hydraulic conductivity at the branch junction. Conductivity ratios were directly proportional to the ratio of branch diameter to stem diameter. Junctions with perpendicular branches showed lower hydraulic conductivities than more upright branches. The presence of visible branch collars was a good indicator of low branch junction conductivity. Branches having pith that was continuous with trunk pith were associated with codominant stems that had high branch junction conductivity. Branch junction hydraulic conductivity was positively correlated with the amount of discolored wood development after branch removal. This finding may indicate that similar anatomical properties are responsible for both branch junction decay resistance and hydraulic segmentation.
机译：使用水力传导率测量来确定分支形态特征对红枫枝路口水力分割的影响。相对分支尺寸影响分支结处的水力传导率。电导率与支径与茎径之比成正比。具有垂直分支的连接点显示出的水力传导率比垂直分支更高。可见的分支环的存在是低分支结电导率的良好指示。具有与树干髓连续的髓的分支与具有高分支结电导率的显性茎相关。分支结水力传导率与去除分支后变色的木材发育量呈正相关。这一发现可能表明，类似的解剖学特性对分支结的抗衰变性和水力分割都负有责任。

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