University of Missouri Extension has a free program to identify oak tree diseases affecting trees across Missouri. See how to ...

Tree diseases, with oak wilt taking center stage, were the focus of the Tree Disease Identification and Management program held recently at the Urban Ecology Center at Phil Hardberger Park in San ...

Does your oak tree have brown leaves? If it is a Bur Oak tree, then it may be affected by Bur Oak Blight. The Extension office has seen several pictures over the last couple of weeks of Bur Oak Blight ...

Does your grand oak look a little rough? Is your oak tree dying? There isn’t a clear answer for every oak. Several culprits could be the cause of your oak trees decline. Anthracnose, bur oak blight, ...

Leaf spots appear in mid to late summer (July –August) as small circular to irregular tan, red-brown, to dark brown spots (Figure 1, 2) that expand to approximately the size of a dime overtime, but ...