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Age matters: the struggle for life of a monumental tree

机译：年龄问题：挣扎着纪念碑树的斗争

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摘要

This study was performed in order to evaluate the conditions of a majestic monumental bi-centennial London plane tree (Platanus x hybrida) in a public park in the town of Pisa, Central Italy. Many major branches are dead and severe decay is evident in a large portion of the trunk. Following a conventional visual tree assessment, the degree and extent of trunk deterioration was assessed by means of a non-destructive acoustic tomographic investigation followed by dendropenetrometric analyses. Molecular characterization (PCR amplification of ITS region of DNA extracted from wood cores extracted with an incremental borer) brought to identify in Fomes fomentarius the causal agent of wood decay; the relative sequences have been deposited. Local administrators are facing a dilemma: the plant is unsafe and the possibility that the whole tree or major branches fell down is obvious, but it represents an iconic inalienable value for the citizenry. Urgent measures are required.
机译：进行了这项研究，以评估意大利中部比萨镇的公共公园的雄伟纪念性双百年伦敦平面树（Platanus X Hybrida）的条件。 许多主要分支已经死亡，在一大部分后备箱中都很明显。 在常规的视觉树评估之后，通过非破坏性声学断层调查评估树干劣化的程度和程度，然后进行枝形异常分析。 分子表征（从用增量硼雷提取的木芯中提取的DNA区域的PCR扩增）鉴定在FOMES Fomentarius中木材衰变的因果剂; 已经沉积了相对序列。 地方管理人员面临困境：该工厂不安全，整个树木或主要分支的可能性是明显的，但它代表了公民的标志性的不可剥夺价值。 迫切需要措施。

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