I read that hypoxylon canker is killing thousands of oaks that have been stressed by severe drought. I have a ranch about 30 ...

A: Unfortunately, I suspect your tree has hypoxylon canker. Usually when I see this ... It is innate in many oak trees, and only becomes a problem when the tree gets stressed.

Nebraska Game & Parks confirmed that the “Old Wolf Oak” at Ponca State Park, a tree that is believed to be more than 300 ...

Unfortunately for the trees, the prognosis is poor. By the time hypoxylon canker eats through an oak tree's bark, death is imminent. If caught early, a beetle infestation can be reversed with ...

Q: One of my five oak trees is having this problem and I ... to examine the tree closely and determine whether this is Hypoxylon canker or some other fungus within the wood of the trunk.

Old Wolf Oak at Ponca State Park, one of Nebraska’s oldest trees, has died, according to Nebraska Game and Parks. The bur oak ...

One of Nebraska’s oldest trees — a tourist draw at Ponca State Park — has died, and officials are blaming drought conditions.

arborist and owner of Executive Tree Service said the Red Oak tree was dying from two fungi diseases, Hypoxylon Canker and Armillaria root rot. (PETE BANNAN-DAILY TIMES) Sirkin said that once they ...

Q: I don't know what this is on my oak tree, but is it anything I ... A: Unfortunately, I suspect your tree has hypoxylon canker.

Game and Parks staff had been monitoring and, where possible, treating bur oaks for bur oak blight, which can weaken a tree. Officials also identified a new threat to trees, hypoxylon canker ...