Identify, Prevent, and Control Oak Wilt
Oak wilt is an aggressive disease that affects many species of oak (Quercus spp.). It is one of the most serious tree diseases in the eastern United States, killing thousands of oaks each year in forests, woodlots, and home landscapes.
The link address is: http://www.na.fs.fed.us/spfo/pubs/howtos/ht_oakwilt/toc.htm