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Depending on the severity of the infestation an ash tree may take several years to show major decline or may only take one or two years. Unfortunately once a tree sustains more than 50% die out the damage usually cannot be repaired and the tree will die. If ash borer is caught quickly after infestation begins the tree can be saved and can recover. The best way to treat ash borer is to inject insecticide into the soil or the trunk.
If you notice branches dying and suspect your ash tree has ash borer give Turf Pro a call so we can evaluate your tree and give our recommendation for proper treatment. Contact us today!
The emerald ash borer is a metallic green beetle whose larvae live beneath the bark of ash trees where they damage the phloem and xylem as they feed. Phloem and xylem act as the tree's circulatory system and are responsible for the uptake of water and nutrients. Damage to them blocks circulation to affected branches and the branch dies. The most obvious signs of borer damage are dying branches along with small holes in the trunk where the larvae exit the tree upon maturity.