brown grass - Knowledgebase Question

Monroe, La
Question by toni_j
June 15, 2007
My grass has some brown spots in it. It starts on the tips of the blade. Last year the grass died in several spots. Now it starting to grow again. Now I am getting more spots. Centipede


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Answer from NGA
June 15, 2007

0

It's really difficult to diagnose lawn problems without knowing the cultural care they're getting, but here's my best guess: Brown Patch
Brown Patch is most common to Bermuda, Kentucky Bluegrass, Centipede Grass, Bent Grass, St. Augustine, and ryegrasses in regions with high humidity and/or shade. Brown patch commonly starts as a small spot and can quickly spread outwards in a circular or horseshoe pattern up to a couple of feet wide. Often times, while expanding outwards, the inside of the circle will recover, leaving the brown areas resembling a smoke-ring.

The best prevention for brown patch is to aerate often, reduce shade to affected areas, and follow a fertilization schedule.

The most common fungicides used on Brown Patch are: benomyl or chlorothalonil. Be sure to apply according to label directions.

Good luck with your lawn!

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