sooty mold

noun

: a dark growth of fungus mycelium growing in insect honeydew on plants
also : any of various ascomycetous fungi (order Dothideales) producing such growth

Examples of sooty mold in a Sentence

Recent Examples on the Web
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Notably, black sooty mold can also indicate other pest problems, such as aphids or scales. Tim Johnson, Chicago Tribune, 1 Feb. 2025 Black sooty mold doesn’t harm plants other than cutting down on the amount of light that reaches leaves. Nan Sterman, San Diego Union-Tribune, 1 Feb. 2025 Whiteflies also secrete honeydew, which can lead to the growth of sooty mold, which reduces photosynthesis and overall plant health, says Khan. Arricca Elin Sansone, Southern Living, 5 Dec. 2024 Also, when the whiteflies are under control the sooty mold gradually disappears. Tom MacCubbin, Orlando Sentinel, 30 Nov. 2024 See all Example Sentences for sooty mold 

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of sooty mold was in 1901

Dictionary Entries Near sooty mold

Cite this Entry

“Sooty mold.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sooty%20mold. Accessed 10 Feb. 2025.

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