Ophiognomonia clavigignenti-juglandacearum (N.B. Nair, Kostichka & J.E. Kuntze) Broders & Boland

Ophiognomonia clavigignenti-juglandacearum (N.B. Nair, Kostichka & J.E. Kuntze) Broders & Boland

A canker on butternut, caused by Sirococcus clavigignenti-juglandacearum. The bark has been removed to show the typical black color of the wood killed by this fungus.

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The requirements to use the photos of this site are to correctly identify the disease and to properly identify the source of the photo:

Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre

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