Cankers can be caused by a variety of pathogens, although most are caused by fungi, she said. Some kinds of canker diseases are specific to certain host plants, but others can affect any tree or ...

As infections move downward from twigs and blossoms, localized cankers form on the trunk and limbs. Branch cankers become sunken and darkened and eventually cracked and creviced.

There are five invasive diseases that Michigan residents should be aware of and keep an eye out for. These species have the potential to harm Michigan’s natural resources. Four of them have been ...

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 of walnut (Geosmithia morbida) - When this disease was first recognized (in states other than Indiana) in 2008, we were understandably concerned here. With a sizeable ...

Cankers harbor deadly bacteria that can hibernate during the winter months, a process called overwintering, and spread in the spring to new flowers.

According to MDC, the name describes the numerous cankers that appear on affected black walnut trees. The fungus kills small patches of tissue, creating cankers under the bark where the beetles ...

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.

Cankers can spread on their branches and trunks. At least one of the many sycamores along South Temple is showing signs of “witch’s broom,” where dense clusters of twigs grow from a single node.

There are five invasive diseases that Michigan residents should be aware of and keep an eye out for.