2. THE CONDITION OF THE TREE: Large, old water oak trees commonly have rotten trunks, even though there may be no outward ...

Purdue Landscape Report: These oak trees are showing the symptoms of smooth patch ( see below Figures 1, 2, 3). This condition is the result of a fungal infection that is restricted to the outer bark, ...

Oak wilt is an invasive vascular disease caused by a fungus (Bretziella ... spore mat exerting outward pressure on the bark A ...

As many homeowners gear up for spring yard work, which may include tree trimming or pruning, the Michigan Department of ...

compared to other broadleaved trees. However, the situation is particularly worrying because two diseases are now attacking oaks at the same time. Acute oak decline, caused by various bacteria ...

Marie urges residents to refrain from pruning oak trees during the no-pruning season, which runs from now until November. Pruning or otherwise damaging oak trees during this time makes them especially ...

Oak wilt is one of the most impactful tree diseases nationally ... “making it flush with the trunk or main branch,” Treenewal experts said. A flush cut can cause slow or uneven healing ...

It's essential to cut the branches at the right angle, close to the trunk or stem ... White Oak bonsai trees are generally resistant to pests and diseases. However, you should inspect your ...

I have a large, mature water oak growing ... cavity in the trunk. I’m not sure if I should fill this up with something like concrete. Also, I have seen signs that the tree is infested with ...