Tree Care, Circling and Girdling Tree Roots
Circling roots and girdling roots are a common problem with trees in urban landscape. And yes, we all live in the urban landscape. Often these problems are not visible at the time that we plant a tree. The best chance for remediation of this common problem is to have the root collar excavated by a professional.
All adventitious roots, as well as epicormic roots should be pruned to prevent their further development. If this is done before the tree is planted, and the tree is planted properly, then there should be no circling or girdling issues as it grows. Many cases of circling and girdling roots are caused from a tree being planted too low. This can be mere inches lower than the natural grade, or in severe circumstances many inches below.
Once a tree has established and matured, and shows the circling and girdling roots on the surface, it is imperative to have a Certified Arborist assess the tree's condition and formulate a plan of action. The steps to remediating these troublesome root structures can include the pruning and removal of the bad roots, as well as providing the tree with regular protection against insect and disease issues.
While dealing with these root problems, the tree's defenses are weakened by the reduced water and nutrient supply as the roots apply pressure to the vascular layers that transport these much needed products throughout the tree. Just because your tree has circling and girdling roots does not mean it may be necessary to remove the tree. However having the tree assessed by a Pro Arbor, ISA Certified Arborist, is highly advisable. One excellent way to help prevent as well as treat circling and girdling roots is the application of the Rootwell devices. You may find more information about these devices at www.rootwell.com. Rootwells installed around the tree help the tree to set its roots on the optimum trajectory underground.
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