fu·​sar·​i·​um | \ fyü-ˈzer-ē-əm How to pronounce fusarium (audio) \

Definition of fusarium

: any of a genus (Fusarium) of ascomycetous fungi having curved septate conidia which includes forms that are important agents of plant disease and others that produce mycotoxins implicated in human and animal disease also : a plant disease (such as wilt or dry rot) caused by a fusarium

Examples of fusarium in a Sentence

Recent Examples on the Web Inland gardeners are more likely to see fusarium wilt (F). Pam Peirce, San Francisco Chronicle, 2 Apr. 2021 When the microbes are in their proper proportions, pathogens such as rhizoctonia, pythium, fusarium, etc., function in a positive way. Howard Garrett, Dallas News, 23 Jan. 2020 Basil infected with fusarium wilt, one of the most common diseases, has brown streaks, twisted stems, and sudden leaf drop. Arricca Sansone, Country Living, 25 Apr. 2018 To avoid fungal issues such as fusarium and verticillium wilt, don’t plant in the same area for 3 years, if possible. Rebecca Jepsen, The Mercury News, 27 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fusarium.' 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 fusarium

1907, in the meaning defined above

History and Etymology for fusarium

New Latin, from Latin fusus spindle

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Time Traveler for fusarium

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The first known use of fusarium was in 1907

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Dictionary Entries Near fusarium



fusarium wilt

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Cite this Entry

“Fusarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fusarium. Accessed 25 Oct. 2021.

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More Definitions for fusarium


fu·​sar·​i·​um | \ fyü-ˈzer-ē-əm How to pronounce fusarium (audio) \

Medical Definition of fusarium

1 capitalized : a genus of ascomycetous fungi (family Tuberculariaceae) including important plant pathogens, agents (as F. solani and F. oxysporum) of infectious conditions in humans and domestic animals, and mycotoxin-producing forms (as F. moniliforme and F. proliferaturm) that contaminate agricultural products (as grain)
2 plural fusaria\ -​eə How to pronounce fusarium (audio) \ : any fungus of the genus Fusarium


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