blog posts Pathogen that's killed many oak trees in California, Oregon identified in Illinois Jul 3, 2019 11:45 am by WTTW-TVIllinois in the News Share on Facebook Tweet Email Images WTTW-TV (July 2) 'The pathogen can cause both a blight and sudden death, depending on the host,' says Illinois' Diane Plewa. 'Currently, there is no evidence that any oak trees in Illinois are infected at this point.' Share on Facebook Tweet Email
