Tree Disease Spotlight: Thousand Cankers and Emerald Ash Borer

When called about tree removal or treatments, 2 diseases seen by tree arborists near Decatur and Atlanta are thousand cankers and emerald ash borer. Watch this video for an introduction to these 2 causes of tree damage.

Thousand cankers disease causes black spots to form under the bark of trees, and it usually works its way downward from the top of a tree. For this reason, if you’ve noticed dead branches in the upper part of your tree’s canopy, then you may be dealing with thousand cankers and could benefit from calling a tree service or ISA arborist. The emerald ash borer is an exotic beetle that infests ash trees, and being careful about transporting firewood into different areas may help prevent the spread of pests like this insect.

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