I have an oak tree problem that has me stumped.
At first glance it looks like a pesticide problem, but the evidence is muddy at best.

Images are at http://manatee.ifas.ufl.edu/tree1.htm
Clicking on an image will enlarge the image (these are large images).

Dave Palmer
Commercial Horticulture
Manatee County Extension
1303 17th Street West
Palmetto, FL 34221
941-722-4524 x 226