There are several insects, diseases and environmental conditions that can cause ash tree mortality. Some of the signs of Emerald Ash Borer (EAB) infestation include tree limb dieback followed by ...

Healthy tree bark grows in ... and lignin. Two out of these three materials are affected by other types of rot like brown rot ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

Other diseases that may need to be pruned out of Yoshino cherry trees include witches' broom ... When you notice physical ...

Cut to a medium shot of a group of various mushrooms around a tree trunk in the woods. Cut to a close up shot of a gilled mushroom in the woods.Cut to a close up shot of a dewy mushroom surrounded by ...

The fungus, known as hypoxylon canker, targets the bark and sapwood of hardwood trees, such as oaks and hickories. This can lead to tree death. Originally published on kten.com, part of the BLOX ...

Recognizable for their distinct mottled bark, sycamores arching ... identified the foliar fungus infesting older American sycamores and lesser-known London Plane trees growing in Liberty Park ...