Thousand Cankers Disease

Thousand cankers disease is a disease complex that impacts black walnut trees. It involves a small beetle, the walnut twig beetle, and a fungal pathogen.

*Current quarantines exist in Virginia, learn more about quarantines.

Additional Resources

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Virginia's Least Wanted - Thousand Cankers Disease
Virginia’s Least Wanted – Thousand Cankers DiseasePST005

Poster shows the damage done but this threat to our native black walnut trees. Designed for 24 in. x 36 in. poster. Target audience: Youth – elementary age.

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Walnut Thousand Cankers Disease Alert
Walnut Thousand Cankers Disease Alert

This Virginia Cooperative Extension factsheet will help detail thousand cankers disease {TCD} and what symptoms to be on the lookout for.


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