Occlusion of pruning wounds on northern red oak (<i>Quercus rubra</i>) trees in Romania

Nicolescu, Valeriu‐Norocel; Sandi, Melinda; Paun, Marius

doi:10.1080/02827581.2012.747621

Cited by 13 publications

(8 citation statements)

References 8 publications

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“…In addition, the present study also showed that the branch occlusion time was positively correlated with the occluded branch diameter and negatively correlated with the stem diameter growth rate during branch occlusion independent of pruning treatment. These results have been widely verified by many studies on branch occlusion time, such as P. ponderosa F. excelsior and A. pseudoplatanus (Hein and Spiecker, 2007;Dȃnescu et al, 2015), Fagus sylvatica (Hein, 2008) and Quercus rubra (Nicolescu et al, 2013). Due to the fact that dead branch stub length was also positively correlated with branch diameter (Fig.…”

Section: Branch Occlusion Timesupporting

confidence: 80%

Branch occlusion and discoloration of Betula alnoides under artificial and natural pruning

Chun-sheng

Hein

Zhao

et al. 2016

Forest Ecology and Management

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Section: Branch Occlusion Timesupporting

confidence: 80%

Branch occlusion and discoloration of Betula alnoides under artificial and natural pruning

Chun-sheng

Hein

Zhao

et al. 2016

Forest Ecology and Management

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“…Confirming the results of many experiments (Hein and Spiecker, 2007;Nicolescu et al, 2013a;Nicolescu et al, 2013b;Petruncio et al, 1997;Smith et al, 2006) the duration of branch occlusion after pruning was found to be strongly related to branch size, and therefore smaller branches would occlude faster ( Fig. 2A).…”

Section: Duration Of Branch Occlusionsupporting

confidence: 78%

“…We also found that the duration of branch occlusion after pruning was significantly reduced by high radial increment rates during occlusion (e.g. Hein and Spiecker, 2007;Montagu et al, 2003;Nicolescu et al, 2013a;Nicolescu et al, 2013b;Petruncio et al, 1997) (Fig. 2A).…”

Section: Duration Of Branch Occlusionmentioning

confidence: 68%

“…2A). Because diameter increment is a strong indicator of tree vigor, this result suggests that vigorous trees should be first and foremost selected for pruning (Nicolescu et al, 2013a). Depending on the intensity of green crown removal, it is often desirable to also release the pruned trees from competitors, as this would not only promote their radial increment (and consequently increase wound occlusion rates), but it may also prevent suppression of the pruned trees by their unpruned competitors (Alcorn, 2008).…”

Section: Duration Of Branch Occlusionmentioning

confidence: 93%

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Modelling discoloration and duration of branch occlusion following green pruning in Acer pseudoplatanus and Fraxinus excelsior

Dănescu¹,

Ehring²,

Bauhus

et al. 2015

Forest Ecology and Management

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“…In this study, OT increased with increasing OBD and DBSL, and decreased with increasing IROT (Figure 6a,b). Similar results have been found for Fraxinus excelsior [33], Acer pseudoplatanus [33], Quercus rubra [34], and Betula alnoides [14]. We also found that DBSL was more closely related to OT than to OBD.…”

Section: Branch Occlusion Timesupporting

confidence: 90%

Branch Occlusion and Discoloration under the Natural Pruning of Mytilaria laosensis

Qin

Jiang

Yang

et al. 2019

Forests

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The production of knot-free and high-quality wood can be a vital issue in silviculture and forest management. In this study, knot properties, branch occlusion, and wood discoloration were investigated in an 11-year-old Mytilaria laosensis plantation in Guangxi, China, to examine the effectiveness of natural pruning in reducing knot-related defects. A total of 1513 occluded branches from 20 trees were sampled and dissected. Occluded branches were most common at heights of 2–6 m, and the mean diameter of the occluded branches gradually increased with height from the base to 6 m. Linear and generalized linear mixed-effect models were developed to reveal the relationship between branch occlusion and discoloration. The mortality of branches was highest in the third and fourth year and it took roughly three to six years to occlude. The mixed-models indicated that the branch occlusion time was positively correlated with the occluded branch diameter and dead branch stub length, and negatively correlated with the stem radial increment during branch occlusion. Branch discoloration was positively correlated with the occluded branch diameter and branch occlusion time, and was negatively correlated with the branch angle. The probability of wood discoloration also increased with the branch occlusion time. Our findings contribute to a better understanding of the spatiotemporal allocation and internal characteristics of occluded branches, and provide a reference for growing high-quality M. laosensis wood.

show abstract

Occlusion of pruning wounds on northern red oak (Quercus rubra) trees in Romania

Cited by 13 publications

References 8 publications

Branch occlusion and discoloration of Betula alnoides under artificial and natural pruning

Branch occlusion and discoloration of Betula alnoides under artificial and natural pruning

Modelling discoloration and duration of branch occlusion following green pruning in Acer pseudoplatanus and Fraxinus excelsior

Branch Occlusion and Discoloration under the Natural Pruning of Mytilaria laosensis

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