If you suspect your tree is infected with a pest or disease please contact one of the following: local Kansas Forest Service district forester or call the FH Specialist (785) 532-3276, your local county extension agent, or the Kansas Department of Agriculture: (785) 862-2180.
Kansas State University. Kansas Forest Service.
Kansas Department of Agriculture.
Thousand Cankers poses a serious threat to the health of black walnut trees. The Kansas Department of Agriculture, Kansas Forest Service and K-State Research and Extension need your help to help stop the introduction, and to limit the spread, of this disease in Kansas. We are deeply concerned that if it reaches the native range of black walnuts in central and eastern Kansas, we may lose this tree in our urban and native forests.
State Specific Threats
University of Georgia. Center for Invasive Species and Ecosystem Health.
Includes invasive species by category for insects, diseases, plants, and animals.
See also: Invasive Species Status Report by Congressional District
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