brown patch

noun

Definition of brown patch

: a disease of grasses in golf greens and lawns caused by soil-inhabiting fungi (such as Rhizoctonia solani) that produce circular brown areas each of which is typically surrounded by a band of grayish black mycelium resembling a smoke ring

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“Brown patch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown%20patch. Accessed 26 Oct. 2020.

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