Quantifying bark-stripping damages to address the relationship between external and internal wood defects

Rossner, Michael; Vor, Torsten; Seidel, Dominik

doi:10.1016/j.tfp.2023.100415

Cited by 1 publication

(2 citation statements)

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“…When only phloem and cambial tissue are removed, there is a vastly different impact on tree physiology than when the xylem tissue, especially the vascular tissue, is affected [38]. A study conducted in Germany on European beech (Fagus sylvatica L.) showed that the area with internal wood damage was smaller than the external bark stripping area, although length of the damaged stem section was always greater inside than outside [39]. Bark stripping, which mostly occurs in young forest stands [40], affects wood quality from both the economic point of view and that of final wood production [41].…”

Section: Introductionmentioning

confidence: 99%

“…Bark stripping, which mostly occurs in young forest stands [40], affects wood quality from both the economic point of view and that of final wood production [41]. The internal damage which manifests itself in the wooden body is of decisive importance for forestry as far as silvicultural decisions and economic profits are concerned [39]. In relation to this, additional data for quantifying the damage caused by debarking are essential.…”

Section: Introductionmentioning

confidence: 99%

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Fungal Presence and Changes of Wood Structure in Bark Stripping Wounds Made by Red Deer (Cervus elaphus L.) on Stems of Fraxinus angustifolia (Vahl)

Kranjec Orlović,

Diminić,

Ištok

et al. 2024

Forests

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Narrow-leaved ash (Fraxinus angustifolia Vahl), a highly valued European forest tree species, has been severely affected by a large-scale decline, which is most probably driven by a complex of multiple interacting factors including fungi, which contribute to and accelerate this process. Red deer (Cervus elaphus L.) can be considered as one of the contributing factors, as they inflict damage on the stems of young trees by stripping the bark. These wounds not only represent suitable entry points for fungi which can cause tissue necroses and decomposition, they can lead to changes in the wood structure as well. The aims of this research were to analyze chosen parameters of bark stripping wounds in narrow-leaved ash stands, identify fungi present in the tissue exposed by wounding, and inspect the effect of wounding on the wood structure. Bark stripping was observed on ash trees from 2 cm up to 18 cm of DBH and between 0.1 m and 1.9 m of stem height. The most susceptible trees were those with an average DBH of 5 ± 2.5 cm. On most of the ash trees (51%), one-third to two-thirds of the circumference was damaged. In wounded tissue, 174 fungal isolates were found, most of which belonged to known endophytic fungi from the genera Trichoderma, Fusarium, and Clonostachys. It was observed that earlywood cells in the wounding zone had narrower lumens compared to ones in adjacent healthy zone with regard to different trees and stem heights.

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Section: Introductionmentioning

confidence: 99%