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Many shade and ornamental trees are damaged throughout the year by windstorms, ice and snow accumulations, lightning or other mechanical sources (automobiles, vandalism, etc.). Damage usually consists of a few broken branches. However, more severe damage such as splitting or pulling apart of branch forks, removal of large areas of bark, twisting and splitting of the trunk, or even uprooting may occur. These injuries usually result in a change in appearance of the tree and increase its susceptibility to a subsequent insect or disease attack. Thus, it is important that the damage be properly treated and repairs promptly made to maintain the health of the tree.
When winter storms blow, falling trees and flying tree limbs can smash roofs, break windows, flatten cars and sometimes kill people. Some warning signs of potential tree trouble from the National Arborist association are:
energized when they contact electric wires.
● Dead or partially attached limbs hung up in the higher branches that could fall and cause damage or injury.
● Cracked stems and branch forks that could cause catastrophic failure of a tree section.
● Hollow or decayed areas on the truck or main limbs, or mushrooms growing from the bark indicate a decayed and weakened stem.
● Peeling bark or gaping wounds in the trunk that indicate structural weakness.
● Tight, V-shaped
forks. They are much more prone to
failure than open, U-shaped ones. ● Heaving soil at the tree base indicates a potentially unsound root system.
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