western gall rust (Endocronartium harknessii ) on lodgepole pine (Pinus contorta ) - 1473051

western gall rust
Endocronartium harknessii Hirats.

Host: lodgepole pine (Pinus contorta Dougl. ex Loud.)
Descriptor: Symptoms
Description: tumor from "nobbles disease" gall rust; there are actually two diseases here: large, upper "burl" is a tumor and lower "gall" is hips canker incited by Perdermium harknessii (a stem rust).
Image type: Field
Image location: United States

Photographer Information

Name: Rocky Mountain Research Station/Forest Pathology Archive
Organization: USDA Forest Service
Country: United States

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Image Number: 1473051

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Image Citation:(?) Rocky Mountain Research Station/Forest Pathology Archive, USDA Forest Service, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Friday, October 13, 2006
Image Information last updated on Tuesday, August 05, 2008