Answer: If the leaves of your cherry tree are turning brown the culprit could be a fungus called brown rot blossom blight, which affects stone fruits such as cherry, plum, apricot, and peach. While often unsightly, the disease is typically not fatal and there are steps you can take to minimize its impact on an infected tree and prevent its spread to adjacent trees. Fungicide sprays are often suggested but they generally need to be applied in the spring before the symptoms occur. You might want to check with your local cooperative extension office for currently registered control and timing of the applications.
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