Parallel to this, all tree forks are regarded in many arboricultural texts as inherently weak structures, regardless of their specific nature. The afore-mentioned guide states that "[c]odominant stems are inherently weak because the stems are of similar diameter" [1]. Considering a fork as inherently weak, justified only based on axes ratio is not founded on persuasive or extensive scientific study.When we look at a mature tree developing through a strategy of reiteration that has established a strong, solid and stable main fork as a result of a long and progressive architectural metamorphosis, we are witnessing that all forks are not weak structures. Certain forks, especially main forks, are so strong, solid and stable that they may be the most reliable structure formed in the tree, capable of supporting the entire broad-crown and its wind-induced oscillations. Terminological Approach to Tree ForksThe botanical term for a junction yielding two or more equivalent axes that form sharp angles between them is 'a fork'. However, forks have also been referred to as 'codominant stems' in arboriculture since the early 1970s, a term that is strongly established. The term 'co-dominant stems' can be traced, in forestry literature, all the way back to the 19th century, originating in the English translations of the crown classification system by Gustav Kraft, which was published in Ger-
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