brown patch


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brown patch

[′brau̇n ‚pach]
(plant pathology)
A fungus disease of grasses in golf greens and lawns caused by various soil-inhabiting species, typically producing brown circular areas surrounded by a band of grayish-black mycelia.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Becker melanosis is associated with homogenous brown patches with perifollicular hypopigmentation, sometimes with a faint reticular pattern.
Cephalothorax scarcely longer than wide, narrow anteriorly, thoracic region with median chalk brown patch having lateral projections.
1, a batch of 489 images of tall rescue (Festuca arundinacea L.) plots diseased with brown patch (Rhizoctonia solani Kuhn) is to be analyzed.
Anything else could just be a Gerwer puke stain or the brown patch Boulala left on your couch, for all you know.
It was discovered by Texas A&M, that it killed peanut fungus and the Dirt Doctor tried it on a brown patch. It worked and a listener heard and tried it on toe nail fungus.
For instance, focus on the brown patch in the "tie-dye" shot, above.
"I've had farmers show me a brown patch that they would have sprayed with pesticides before, but they now know the problem to be nutritional," Kenmore says.
Selection was based on superior turf color, net blotch (caused by Drechslera dictyoides Drechs.) resistance, brown patch (caused by Rhizoctonia solani Kuhn) resistance, and overall turf quality.
REPTILES AND AMPHIBIANS: Common toads, with a broad, squat body covered in warts and skin that looks dry and varies from dark brown to grey or olive; Common frogs, with a slender body, short limbs, webbed toes and an obvious dark brown patch behind the eye, smooth damp skin varying in colour from grey, olive green, yellow or brown with darker patches; slowworms, with a long, snakelike body, eyelids (making them distinguishable from snakes), smooth, wet looking skin varying from grey, bronze and light brown; Common lizard with a long body and short legs, grey, brown, bronze or green skin and a line of white spots down the flanks.
Endure was developed as part of a breeding program to develop tall fescue cultivars with improved resistance to brown patch (caused by Rhizoctonia solani Kuhn).
He is white with a brown patch covering his right eye and ear.
He is white with a brown patch over one eye and answers to the name of Scrumpy.