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

Effect of Planting Density on Knot Attributes and Branch Occlusion of Betula alnoides under Natural Pruning in Southern China

“…This is consistent with studies on Fraxinus excelsior, Acer peseudoplatanus and Fagus sylvatica [18,19]. Generally, branches with large diameters often generate long dead branch stubs [18,30]. O'Hara and Buckland [20], Petruncio et al [21] and Dănescu et al [30] found that the branch occlusion time also increased with the increasing length of dead branch stub.…”

“…Generally, branches with large diameters often generate long dead branch stubs [18,30]. O'Hara and Buckland [20], Petruncio et al [21] and Dănescu et al [30] found that the branch occlusion time also increased with the increasing length of dead branch stub. This can explain the positive relationship between OBD and OT as well as RDP.…”

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

“…Internal branch and knot attributes were measured following the methods of Hein (2008) and Dȃnescu et al (2015). For each sampled specimen, the occluded branch diameter (OBD) was measured at the position with the largest diameter.…”

“…A number of studies have shown that the size of dead knot under natural pruning was significantly and positively correlated with branch diameter and stem diameter growth (Hein and Spiecker, 2007;Hein, 2008;Wang et al, 2015). The incidence and size of decay or discoloration also increased with increasing branch diameter (Gerrand et al, 1997;Wardlaw and Neilsen, 1999;Wiseman et al, 2006;Sandi et al, 2012), dead branch stub length and branch occlusion time (Metzler, 1997;Dȃnescu et al, 2015). Considering this body of evidence, it appears that reducing the branch diameter and shortening branch occlusion time through forest management measures would support http://dx.doi.org/10.1016/j.foreco.2016.05.027 0378-1127/Ó 2016 Elsevier B.V. All rights reserved.…”

Branch Development of Five-Year-Old Betula alnoides Plantations in Response to Planting Density

“…Quality grade and value of the timber depend largely on branchiness, as the size and number of branches along the stem influence the development of knots and the occurrence of knot-related defects [2,6,7]. This has also been demonstrated for a large quantity of species with a specific focus on branch and knot development [4,[7][8][9][10].…”