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Pest Alert Thousand Cankers Disease-Pest Alert, Revised February 2013 NA-PR-02-10

Dieback and mortality of eastern black walnut (Juglans nigra) in several Western States have become more common and severe during the last decade. A tiny bark beetle is creating numerous galleries beneath the bark of affected branches and the main stem, resulting in fungal infection and canker formation. The large numbers of cankers associated with dead branches and the stem suggest the disease's name - thousand cankers disease.

PDF Download: Year of Publication:
2013
ID: 
NA-PR-02-10
Author: 
Seybold, Steven; Haugen, Dennis; O'Brien, Joseph; Graves, Andrew
Availability: 
Online
Topic:
Insects and Diseases
Pest Alert Thousand Cankers Disease-Pest Alert, Revised February 2013 NA-PR-02-10
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