Summer 2026 Turfgrass Pathology Research

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Below are the 2026 Summer Turfgrass Pathology Research Reports from the University of Wisconsin – Madison. Pictures of each treatment are included for all trials. Pictures are the property of the University of Wisconsin and not available for marketing purposes without prior consent.  Special thanks to Remington Caley of Yahara Hills GC and Matt Statz and Justin Tafs of Pleasant View GC for hosting research sites in 2026.

Additional thanks go to the companies that sponsored research in the reports presented here. They are Albaugh, BASF, Corteva, Envu, Nufarm, PBI Gordon, Sipcam Agro, Syngenta, Ocean Organics. Thank you for your support of Wisconsin turfgrass research.

Please don’t hesitate to contact Paul Koch with any questions, comments, or concerns you may have regarding this research.

Paul Koch, Ph.D.
Professor
University of Wisconsin-Madison
plkoch@wisc.edu
608-262-6531

Note: the links below open in a new tab.

Reports and Photos Table
Report Photos
Anthracnose Report Anthracnose Photos
Dollar Spot Auto Mow Dew Timing Report Dollar Spot Auto Mow Dew Timing Photos
Dollar Spot Auto Mow ITRI Report Dollar Spot Auto Mow ITRI Photos
Dollar Spot Biocontrol ITRI Report Dollar Spot Biocontrol ITRI Photos
Dollar Spot Drone Report Dollar Spot Drone Photos
Dollar Spot Fairway Report Dollar Spot Fairway Photos
Dollar Spot Fungicide Resurgence – Fairway Report Dollar Spot Fungicide Resurgence – Fairway Photos
Dollar Spot Fungicide Resurgence – Green Report Dollar Spot Fungicide Resurgence – Green Photos
Dollar Spot Fungicide Resurgence – Mixtures Report Dollar Spot Fungicide Resurgence – Mixtures Photos
Dollar Spot Green Report Dollar Spot Green Photos
Dollar Spot Leaf pH Report Dollar Spot Leaf pH Photos
Dollar Spot Model Cultivar Threshold Report Dollar Spot Model Cultivar Threshold Photos
Dollar Spot Soil Moisture Fungicide Impacts Report Dollar Spot Soil Moisture Fungicide Impacts Photos
Fairy Ring Report Fairy Ring Photos

University of Wisconsin Madison