I have what I think is a continuing large patch infection in my backyard zoysia. I'm attaching a picture of the affected grass. I was planning to spread Disarm G this fall in late September when the soil temperatures dropped to the 60s. However, I'm wondering if I have active disease right now? The "smoke ring" of grass at the margin of the patch is looking more sickly than I think it was earlier this season. We've been having temps 10 degrees cooler than normal for a month and a TON of rain, rain every other day or so.
I'm in the piedmont of NC, acidic soil, and the yard is about 50% shade.