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Bur oak blight

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Bur oak blight (BOB) is a fungal disease that is relatively new to the plant pathogen field. BOB started to appear in Midwestern states in the 1990s. The first few diagnoses pointed to a common fungus, Tubakia dryina, as the culprit. However upon further research BOB was said to be caused by a new unnamed species of Tubakia, later named Tubakia iowensis. BOB has severe symptoms and is a serious new problem.