Cytospora canker of spruce (Valsa kunzei ) on blue spruce (Picea pungens ) - 5028097

Cytospora canker of spruce
Valsa kunzei Nitschke

Host: blue spruce (Picea pungens Engelm.)
Descriptor: Infestation
Description: Infections usually start low in the tree, adn progress upward through the crown.
Image type: Field
Image location: United States

Photographer Information

Name: Joseph O'Brien
Organization: USDA Forest Service
Country: United States

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Image Number: 5028097

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Image Citation:(?) Joseph O'Brien, USDA Forest Service,

Node Affiliation: University of Georgia

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Image uploaded on Tuesday, October 17, 2006
Image Information last updated on Monday, April 09, 2007