sooty mold

noun

Definition of sooty mold 

: 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

The oil also causes the sooty mold to gradually slough off. Tom Maccubbin, OrlandoSentinel.com, "Prune blueberry bushes after fruiting," 23 June 2018 Often, the infestations are accompanied by sooty mold a black coating on the leaves. Tom Maccubbin, OrlandoSentinel.com, "Talking St. Augustine lawns, from seeds to fertilizer," 12 May 2018 Aphids suck plant sap, causing foliage to distort and leaves to drop; honeydew excreted on leaves supports sooty mold growth; and feeding spreads viral diseases. The Editors Of Organic Life, Good Housekeeping, "10 Most Destructive Garden Insects And How To Get Rid Of Them," 3 June 2016 The sooty mold is not attacking or hurting the yew. Dan Gill, NOLA.com, "How to treat aphids on ornamental plants," 10 Mar. 2018 This energy rich food source provides an opportunity for fungi called sooty mold to grow on the honeydew. Dan Gill, NOLA.com, "How to treat aphids on ornamental plants," 10 Mar. 2018 The honeydew also becomes a great host for the development of black sooty mold (a fungus). Debbie Arrington, sacbee, "What’s bugging his tree?," 22 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sooty mold.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sooty mold

1901, in the meaning defined above

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Last Updated

3 Sep 2018

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The first known use of sooty mold was in 1901

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