Is this brown patch?
by
Heather B
+5
It only looks this bad when it is very dry. When rain is abundant, it looks thin, but all green.
8 answers
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Look at the grass blades where the dead meets the green. On the grass blades, there will be an hour glass dead area. You need to know what color the bands are at the top and bottom. If they are brown bands, then it is Brown Patch. What You Need To Know About Brown Patch The symptoms of brown patch appear as roughly circular patches that are brown, tan, or yellow in color and range from 6" to several feet in diameter. The affected leaves typically remain upright, and lesions are evident on the leaves that are tan in color and irregular in shape with a dark brown border. When the leaves are wet or humidity is high, small amounts of gray cottony growth, called mycelium, may be seen growing amongst affected leaves. Brown patch is most severe during extended periods of hot, humid weather. The disease can begin to develop when night temperatures exceed 60°F, but it is most severe when low and high temperatures are above 70°F and 90°F, respectively. Poor soil drainage, lack of air movement, shade, cloudy weather, dew, over-watering, and watering in late afternoon favor prolonged leaf wetness and increased disease severity. Controlling Brown Patch Fungicides are effective for brown patch control, and can be applied on a preventative or curative basis. Curative applications may not be effective during periods of hot weather because the cool-season grasses are growing slowly and are unable to recover from the damage under these conditions. Consider a preventive fungicide program for Tall Fescue when conditions favor disease development. For best results, preventative applications should be initiated in the late spring or early summer when night temperatures consistently exceed 60°F. Investment in a fungicide program is essential to the health of your lawn here in the transition zone. This will keep the lawn healthy through the summer months and give you a great green up in the fall. This will improve the overall health and look of your property. Fungicide treatments are applied monthly throughout the summer.
TJB-INC Landscape Contractor
on Aug 30, 2012
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great info and fine examples.
Marg C
on Aug 31, 2012
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Here are Georgia Gardener and Hometalk member Walter Reeves' strategies for diagnosing and dealing with brown patch: http://www.walterreeves.com/lawn-care/brown-patch-diagnosing/
Douglas Hunt
on Aug 31, 2012
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If Walter does not have an answer, the situation is indeed dire! Good luck.
Jeanette S
on Aug 31, 2012
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Before tearing up your lawn try a lawn fungicide type spray and then a couple weeks later soak it with Miracle Grow. In Reno Nv. we have similar looking spots and this has worked for me.
Donna
on Aug 31, 2012
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sounds like a plan Donna. A much cheaper fix than tearing up a whole lawn.
Marg C
on Sep 03, 2012
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Fungus comes from moist conditions and hot weather which will be changing soon. Fungicides at this point are not really necessary. Better to overseed the area with new seed and let it grow back in. Next year, keep an eye on the area and treat with a fungicide as soon as you see the start of the spots.
TJB-INC Landscape Contractor
on Sep 04, 2012
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Ironite and shots bonus s and water.
Bj
on Aug 06, 2016
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