Large patch and nitrogen

Large patch on warm-season grasses is caused by Rhizoctionia solani, the same pathogen that causes brown patch on cool-season grasses. Does application of nitrogen in spring or autumn, when large patch disease symptoms appear, cause more severe symptoms? Is it risky to add N?

Research led by Dr. Lee Miller has found that reasonable\* rates of N in spring and autumn do not increase large patch. In fact, these applications can reduce symptom severity. Here's a quote from "Impact of…