Fig. 22. Control of spring dead spot caused by O. korrae andO. herpotricha in North Carolina: (A) untreated; (B) two fall applications of fenarimol (Rubigan) at 4 fl oz/1000 ft². Each plot was inoculated with a three-isolate mixture of O. korrae (three small patches, left side of plot) and O. herpotricha (three large patches, right side of plot).
Image from Plant Health Progress article:
Spring Dead Spot of Bermudagrass: A Challenge for Researchers and Turfgrass Managers