Definition of botrytis
: any of a genus (Botrytis) of imperfect fungi having botryoidal conidia and including several serious plant pathogens
Recent Examples of botrytis from the Web
A common disease of peony is botrytis blight, caused by the fungus, Botrytis paeoniae.
When my blooms have botrytis, cut them off and get them out of the garden.
No one is perfect: Sometimes the weather conditions will give me botrytis, powdery mildew, rust or black spot.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'botrytis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of botrytis
New Latin, from Greek botrys
First Known Use: 1751See Words from the same year
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