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Bur oak blight information


Bur oak blight
Common namesBOB
Causal agentsTubakia iowensis
Hostsbur oaks (Quercus macrocarpa)

Bur oak blight
Scientific classification
Kingdom:
Fungi
Division:
Ascomycota
Subdivision:
Pezizomycotina
Class:
Sordariomycetes
Subclass:
Sordariomycetidae
Order:
Diaporthales
Family:
Tubakiaceae
Genus:
Tubakia
Species:
T. iowensis
Binomial name
Tubakia iowensis
(T.C. Harr & D. McNew)

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.

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