botrytis

noun

bo·​try·​tis bō-ˈtrī-təs How to pronounce botrytis (audio)
: any of a genus (Botrytis) of imperfect fungi producing clusters of gray asexual spores and including several serious plant pathogens see noble rot

Examples of botrytis in a Sentence

Recent Examples on the Web
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Most active during cool, wet weather — especially in early spring and fall, botrytis can live on both living and dead plant material and overwinters easily, making sanitation critical. Rita Perwich, San Diego Union-Tribune, 2 May 2026 The most common plant diseases, like powdery mildew or botrytis, a fungal rot, appear on peony foliage and stems. Mary Marlowe Leverette, Southern Living, 7 Apr. 2026 These include powdery mildew, white molds, grey molds like botrytis, slime mold, black spot, and even plant rust. Michelle Mastro, Martha Stewart, 1 Apr. 2026 Aside from pests, artichokes are also prone to diseases like crown rot, botrytis, or powdery mildew. Lauren Landers, Better Homes & Gardens, 12 Feb. 2026 See All Example Sentences for botrytis

Word History

Etymology

New Latin, from Greek botrys

First Known Use

1751, in the meaning defined above

Time Traveler
The first known use of botrytis was in 1751

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Cite this Entry

“Botrytis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/botrytis. Accessed 11 May. 2026.

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