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
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Additionally, Makrut limes are susceptible to diseases like citrus canker, powdery mildew, and root rot.
—
Sj McShane, Martha Stewart, 16 Jan. 2026
Identifying Plants Susceptible To Powdery Mildew The many different powdery mildew fungi affect thousands of plants species, including trees, shrubs, flowers, vines, vegetable crops, fruits, grains, and grasses.
—Kim Toscano, Southern Living, 31 Dec. 2025
To minimize powdery mildew, avoid overcrowding the plants and ensure ample air circulation.
—Lauren David, Better Homes & Gardens, 26 Nov. 2025
Cut back plants with diseased foliage, such as peonies with powdery mildew, to prevent reinfection.
—Special To The Denver Post, Denver Post, 5 Oct. 2025
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Sj McShane, Martha Stewart, 16 Jan. 2026
Identifying Plants Susceptible To Powdery Mildew The many different powdery mildew fungi affect thousands of plants species, including trees, shrubs, flowers, vines, vegetable crops, fruits, grains, and grasses.
—Kim Toscano, Southern Living, 31 Dec. 2025
To minimize powdery mildew, avoid overcrowding the plants and ensure ample air circulation.
—Lauren David, Better Homes & Gardens, 26 Nov. 2025
Cut back plants with diseased foliage, such as peonies with powdery mildew, to prevent reinfection.
—Special To The Denver Post, Denver Post, 5 Oct. 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 28 Jan. 2026.
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