blog posts DeKalb is the first county in Illinois to have a verified case of bacterial leaf streak in corn Aug 30, 2016 10:45 am by WNIJ-89.5 FMIllinois in the News Share on Facebook Tweet Email Images WNIJ-89.5 FM (Aug. 28) Dennis Bowman, with Illinois Extension, says bacterial leaf streak could affect crop yield in northern Illinois. Share on Facebook Tweet Email