Turf IPM Advisory • 2018- turf Ascochyta Blight July 5, 2018861 Views Print or PDFClick here for this issue, which contains updates on: Ascochyta leaf blight damage. Note that not all leaf blades are blighted. (Photo credit: Ned Tisserat, Colorado State University Extension.) Pest Alert: Ascochyta Leaf Blight Summer Patch/Necrotic Ring Spot Complex Upcoming Webinar Highlights USU Turf Research Recommended Cultural Practices for Summer Timely USU Extension Fact Sheets