Thousand cankers disease (TCD) of walnut has been detected in Maryland and Pennsylvania, so a detection is possible in Delaware this season. The disease caused by a fungus and carried by the very ...

Starting in the spring of 2010, farmers from Sicily - the major pistachio production area of Italy - have been reporting a previously unknown disease on the trees. Characterised by cankers and ...

Caused by a fungus that’s transported by the walnut twig beetle, the disease attacks the innermost layer of a tree’s bark, called the phloem. The forests of Pennsylvania’s northern tier produce the ...

When the branches of your trees and shrubs are bare in winter, you have an opportunity to spot cankers that might be hidden by leaves in summer. A canker is an area of disease in the wood of a plant. ...

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...

Unlike many native tree species that face direct threats from land development, the endangered butternut tree in Ontario is battling an invisible and unrelenting enemy: butternut canker. First recorde ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The term " canker" is used to describe a killed area or blister on the bark, ...

For a while, the walnut twig beetle was just another minor pest to the trees for which it was named. The same went for a lowly fungus called Geosmithia morbida. Then these two nearly anonymous ...

Students from different universities attending a summer program at UT's National Institute for Mathematical and Biological Synthesis are investigating the spread of thousand cankers disease, which has ...

When a branch falls or a tree dies, one common reason is a group of diseases with an especially ominous name: canker diseases. “Canker” comes from the same root as “cancer.” Like cancers, cankers can ...