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Virginia Administrative Code
Title 2. Agriculture
Agency 5. Department of Agriculture And Consumer Services
Chapter 318. Rules and Regulations for Enforcement of the Virginia Pest Law - Thousand Cankers Disease
3/28/2023

2VAC5-318-20. Purpose of quarantine.

The purpose of this quarantine is to help prevent the artificial spread of Thousand Cankers Disease to uninfested areas of the Commonwealth by regulating the movement of articles that are capable of transporting the disease. Thousand Cankers Disease is a disease complex that attacks walnut trees, Juglans spp. The fungus Geosmithia morbida is vectored by the walnut twig beetle, Pityophthorus juglandis, causing small cankers under the bark of the tree. The beetle introduces the fungus while it tunnels beneath the bark. As more beetles attack the tree, the number of cankers increases until they coalesce to girdle twigs and branches, restricting movement of nutrients and eventually killing the tree. Thousand Cankers Disease has become established in the Commonwealth and has the potential to spread to uninfested areas by natural means or through the movement of infested articles.

Statutory Authority

§ 3.2-703 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 28, Issue 9, eff. January 2, 2012.

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