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K-State Turfgrass

Dollar spot activity

The moderate temperatures are reducing stress on our cool-season turfgrasses, and some of our typical late July/early August diseases are not active. Dollar spot likes this type of weather and it IS active. Here is a picture of a nontreated plot out at Rocky Ford:

Keep on your disease management plan, and don’t forget some back-to-basic things like calibration, swapping out worn-out nozzles, etc.  I spoke with someone recently where it sounds like some application/calibration issues might have compromised disease control.