Wikipedia
Brown patch is a turfgrass disease that is caused by the Rhizoctonia species fungus. This turfgrass disease is most common Brown patch can be found in all of the cool season turfgrasses found in the United States. Brown patch is most devastating to: Bentgrass (Agrostis sp.), ryegrass (Lolium sp.), Annual bluegrass (Poa annua), and Tall fescue (Festuca arundinacea). Brown patch is also found in Kentucky bluegrass (Poa pratensis) and Fine fescue (Festuca sp.) but this is rare or does minimal damage. Brown patch is known as a foliar disease, so it does not have any effect on the crown or roots of the turf plant.
Usage examples of "brown patch".
The first thing he noticed was that the gull's head was molting and turning white, though a dark brown patch remained behind each eye.
The air around his head was distorted by the shimmering heat of invisible flames and a brown patch appeared on the sleeve of David's tunic as the khaki cotton scorched.
Then, suddenly, she felt a warm explosion against her upper thigh and it spilled over her brown patch.
Quickly turning herself around on the bed, Consuela straddled her black patch of hair over Maxine's face and bent down over Maxine's stomach to take her brown patch in her own mouth.
The Missile Facility was a small gray-brown patch of geometry against the green of the hills.
The car came to a halt beside the brown patch of grass that marked where the police caravan had stood.
Ten times the size of most gan camps, he guessed, the human one was made of square lodges in rows, a brown patch in the midst of endless undulating green.
The brown patch was larger, disclosing itself as a hump doming up from the gravel.
Even the land was blue tinged with other colors, except where a rare red-brown patch of desert showed through.