HARRISBURG, PA. -- Thousand Cankers Disease has been detected for the first time in Pennsylvania, and a quarantine restricting the movement of wood from Bucks County and other states known to have the ...

Thousand Cankers Disease (TCD) represents a major threat to walnut trees, arising from the complex interaction between the walnut twig beetle (WTB) and the fungal pathogen Geosmithia morbida. This ...

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. ...

We saw some dieback in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter temperature extremes. It may also be a canker disease. Cankers infect trunks ...

The bacterial pathogen Xanthomonas citri, which causes canker disease in citrus trees, activates selected parts of the fruit ripening program inside infected leaves. Normally, this program makes ...

Concerned citizens and scientists have joined forces to combat a major threat to walnut trees: Thousand Cankers disease, a fungal infection, spread by the tiny, native walnut twig beetle. Susceptible ...

This is a canker on an eastern black walnut tree. The beetle that carries the fungus causing thousand cankers disease is visible in the canker's upper left corner. Disclaimer: AAAS and EurekAlert! are ...

Fungi are the most common causal agent of plant disease. Of the more than 2 million species of fungi worldwide, 8,000 are known to be detrimental to plants. These microscopic organisms cause symptoms ...