EPPO Global Database

Ceratocystis fagacearum(CERAFA)

Photos

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Foliar symptoms on Quercus velutina showing bronzing starting at the leaf apices and lobes, and a localized area of green tissue around the base of the midrib.

Courtesy: C.E. Seliskar (US).

Sporulating mat on red oak killed by C. fagacearum.

Courtesy: J.N. Gibbs - Forestry Commission (GB).

Wilted branch on Quercus ellipsoidalis in Minnesota.

Courtesy: J.N. Gibbs - Forestry Commission (GB).

Xylem of red oak affected by C. fagacearum showing diffuse stain (often there is less stain than this).

Courtesy: J.N. Gibbs - Forestry Commission (GB).

C. fagacearum in red oak (probably Quercus ellipsoidalis) in Minnesota (US).

Courtesy: J.N. Gibbs - Forestry Commission (GB).

Advanced stage of C. fagacearum infection on oak: general view of wilted tree.

Courtesy: C.E. Seliskar (US).

Mature mycelial mat of C. fagacearum just under the bark of a wilted Quercus coccinea tree.

Courtesy: C.E. Seliskar (US).

Foliar symptoms caused by C. fagacearum on oak.

Courtesy: C.E. Seliskar (US).

Quercus ellipsoidalis killed by C. fagacearum in Minnesota. The retention of some dead leaves is characteristic of the disease.

Courtesy: J.N. Gibbs - Forestry Commission (GB).

Quercus macrocarpa with oak wilt symptoms on one branch only.

Courtesy: J.N. Gibbs - Forestry Commission (GB).