powdery mildew
noun
1
: an ascomycetous fungus (family Erysiphaceae) producing abundant powdery conidia on the host
2
: a plant disease caused by a powdery mildew
Examples of powdery mildew in a Sentence
Recent Examples on the Web
Plants require good drainage to prevent root rot, and the foliage is susceptible to powdery mildew.
—
Kim Toscano, Southern Living, 3 Oct. 2024
Cut plants to the ground following a killing frost in autumn to reduce the incidence of powdery mildew the following season.
—Kim Toscano, Southern Living, 3 Oct. 2024
Given that Sonoma County vineyards are 99% sustainably certified, many of the sprays are organic or softer in nature, and are used to manage issues such as powdery mildew.
—Liz Thach, Forbes, 26 Sep. 2024
Other diseases that impact the cosmos from developing are stem canker, powdery mildew, and Botrytis blight.
—Katherine Owen, Southern Living, 8 Sep. 2024
See all Example Sentences for powdery mildew 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kim Toscano, Southern Living, 3 Oct. 2024
Cut plants to the ground following a killing frost in autumn to reduce the incidence of powdery mildew the following season.
—Kim Toscano, Southern Living, 3 Oct. 2024
Given that Sonoma County vineyards are 99% sustainably certified, many of the sprays are organic or softer in nature, and are used to manage issues such as powdery mildew.
—Liz Thach, Forbes, 26 Sep. 2024
Other diseases that impact the cosmos from developing are stem canker, powdery mildew, and Botrytis blight.
—Katherine Owen, Southern Living, 8 Sep. 2024
See all Example Sentences for powdery mildew
Dictionary Entries Near powdery mildew
Cite this Entry
“Powdery mildew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powdery%20mildew. Accessed 29 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share