onion smudge

noun

variants or onion scab
1
: a common fungus disease of the onion characterized by black concentric internal rings or smutty spots on the surface of the bulb scales
2
: the fungus (Colletotrichum circinans) that causes onion smudge

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Cite this Entry

“Onion smudge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onion%20smudge. Accessed 28 Jan. 2023.

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