Frequent issues include fungal diseases such as anthracnose, powdery mildew, and canker stain. If you notice discolored, ...

We saw die-back in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter ...

European canker: A fungal disease affecting apple trees, characterised by cankers on trunks and branches that can lead to dieback and eventual tree loss. Neonectria ditissima: ...

Red foliage growing from ponderosa pines, as well as red "sores or cankers" on pinecones, consistent with the fungus diplodia, have been reported near Bigfork, Woods Bay and Echo Lake. Foresters ...

ESF Darling Chestnut Science Summary. December 15, 2023. Summary. This page includes summaries of scientific studies on Darling 54 chestnuts. Two separate chestnut blight inoculations (controlled, ...

Thousand cankers disease (TCD) is a disease that primarily affects black walnut trees. The disease is the result of the combination of the fungus Geosmithia morbida and the walnut twig beetle.

Emerald ash borer, sudden oak death, Dutch elm disease, oak wilt disease, walnut canker, hemlock woolly adelgid—in a globalizing world, many trees are facing pandemics of their own.

Despite threats of lawsuits by several South Florida cities and counties, state agriculture officials plan to send crews out in June to resume cutting trees affected by citrus canker. Some 200,000 ...

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 ...

Red foliage growing from ponderosa pines, as well as red “sores or cankers” on pinecones, consistent with the fungus diplodia, have been reported near Bigfork, Woods Bay and Echo Lake.

As more cankers form, the branches die and eventually, the entire tree dies. The beetle and fungus can be transported into new areas in walnut logs, firewood, and staves used for woodworking.