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I have a 25-foot tall scrub oak that appears to be dying. If it is anthracnose that is killing it, can it be saved? There are some commercial, injectable products that claim success. Is it possible?
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Typically, anthracnose will not kill scrub oak. It does make them look less attractive, though. Because it is a fungal disease, cultural controls may help lessen the disease incidence to the point it is almost unnoticeable.
Good cultural control strategies are to: rake up leaves every fall and dispose of them. Prune the trees to open the canopy and allow more light and air to penetrate the tree. Prevent irrigation overspray onto the tree foliage.
USU Extension offers a good publication about Gambel Oak Care at this
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