Cronartium ribicola

Cronartium ribicola

An eastern white pine with heavy infection of Cronartium ribicola, the causal agent of white pine blister rust. Note the heavy resin flow associated with the infection.

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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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