Thousand Cankers Disease (Geosmithia morbida ) on black walnut (Juglans nigra ) - 5406053

Thousand Cankers Disease
Geosmithia morbida (Proposed name)

Host: black walnut (Juglans nigra L.)
Descriptor: Symptoms
Description: Black walnuts recently killed by thousand cankers. trees first showed symptoms two years earlier and had recieved two applications of imidacloprid in attempt to control disease progression. Associated with walnut twig beetle.
Image type: Field
Image location: United States

Photographer Information

Name: Whitney Cranshaw
Organization: Colorado State University
Country: United States

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Image Number: 5406053

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Image Citation:(?) Whitney Cranshaw, Colorado State University, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Tuesday, November 24, 2009
Image Information last updated on Wednesday, December 16, 2009