crown gall

noun

Definition of crown gall

: a disease that affects many species of plants and is caused by a bacterium (Agrobacterium tumefaciens) which forms tumorous enlargements usually just below the ground on the stem

Examples of crown gall in a Sentence

Recent Examples on the Web Common pests & diseases Black spot and powdery mildew are common fungal diseases, while crown gall disease may occur less commonly. Earl Nickel, SFChronicle.com, "How to grow a grapevine to add drama to any garden," 7 Aug. 2020

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

First Known Use of crown gall

1894, in the meaning defined above

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The first known use of crown gall was in 1894

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Cite this Entry

“Crown gall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20gall. Accessed 21 Oct. 2020.

More from Merriam-Webster on crown gall

Britannica.com: Encyclopedia article about crown gall

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