PACE Turf - Turfgrass Information Center

Summer patch

View Larger Southern California, July, 2013. Summer patch caused by the fungus, Magnaporthe poae, is always a threat to Poa annua greens in warm environments. Bottom photo was taken with a microscope and shows the poa root colonized by dark runner hyphae produced by the fungus. See the PACE Turf Summer Patch Reference for more information.

Turf Diseases

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