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
Avoid problems with powdery mildew by properly spacing plants to ensure good air circulation.
—
Kim Toscano, Southern Living, 3 July 2025
Dahlias are susceptible to powdery mildew, so be sure to allow proper airflow around each plant to keep them healthy.
—Mary Marlowe Leverette, Southern Living, 9 July 2025
Wet plant parts are most prone to powdery mildew growth.
—Leanne Potts, Better Homes & Gardens, 8 July 2025
The only exceptions are: – When plants have powdery mildew, selectively remove branches (not just leaves) to improve air circulation.
– When branches/leaves touch mulch or soil.
—Nan Sterman, San Diego Union-Tribune, 6 July 2025
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Kim Toscano, Southern Living, 3 July 2025
Dahlias are susceptible to powdery mildew, so be sure to allow proper airflow around each plant to keep them healthy.
—Mary Marlowe Leverette, Southern Living, 9 July 2025
Wet plant parts are most prone to powdery mildew growth.
—Leanne Potts, Better Homes & Gardens, 8 July 2025
The only exceptions are: – When plants have powdery mildew, selectively remove branches (not just leaves) to improve air circulation.
– When branches/leaves touch mulch or soil.
—Nan Sterman, San Diego Union-Tribune, 6 July 2025
See All Example Sentences for powdery mildew
Cite this Entry
“Powdery mildew.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powdery%20mildew. Accessed 25 Jul. 2025.
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