How to Use powdery mildew in a Sentence

powdery mildew

noun
  • Towards the end of the season, the plants often get powdery mildew.
    Nadia Hassani, Better Homes & Gardens, 8 May 2024
  • The UMass group sprayed rows of acorn squash with a pesticide meant to stop powdery mildew, and assessed the results.
    Byian Mount, Fortune, 20 Dec. 2022
  • Water at the bases to keep foliage dry and avoid problems like powdery mildew.
    Johanna Silver, Better Homes & Gardens, 8 Apr. 2020
  • The Baco Noir vines, for example, are in an area where powdery mildew is a threat.
    Esther Mobley, San Francisco Chronicle, 19 May 2021
  • The reason: These little champs feed on powdery mildew.
    oregonlive, 9 Oct. 2020
  • Another is powdery mildew, which is a white film on the foliage.
    Chris McKeown, The Enquirer, 27 May 2023
  • The spores of such fungal diseases as black spot, rust and powdery mildew may be lurking on dead leaves or atop old mulch.
    Debbie Arrington, sacbee, 12 Jan. 2018
  • If the tree is dropping yellowing leaves, check for a powdery white residue, which is a sign of powdery mildew.
    Steve Bender, Southern Living, 7 May 2024
  • Keep leaves of cucumber, melon, and squash dry to stave off powdery mildew.
    Deanna Kizis, Sunset Magazine, 11 May 2022
  • For example, those with scale, powdery mildew or even white flies.
    Jeff Lowenfels, Anchorage Daily News, 28 Oct. 2021
  • This is where the powdery mildew comes in as a second but related problem.
    oregonlive, 25 July 2021
  • Answer: What sort of looks like snow is called powdery mildew, a fungal disease.
    Tom MacCubbin, OrlandoSentinel.com, 26 May 2018
  • Control powdery mildew and leaf spots with a fungicide as needed.
    Tom MacCubbin, OrlandoSentinel.com, 17 May 2018
  • But nearly all of it was wiped out from powdery mildew and phylloxera in the 19th century.
    Ann Abel, Forbes, 27 Sep. 2021
  • The variety is supposed to be resistant to powdery mildew, so what could this be?
    Tom MacCubbin, OrlandoSentinel.com, 30 June 2018
  • Please don’t blame me when I get covered in powdery mildew and catch other fungal diseases.
    Rita Perwich, sandiegouniontribune.com, 5 July 2018
  • Use these tips to keep powdery mildew from ruining your squash harvest.
    Rita Pelczar, Better Homes & Gardens, 16 May 2022
  • Last year all 14 of my tomato plants and my squash plants got a form of powdery mildew on them that stunted the plants growth and drastically reduced the crop.
    oregonlive, 3 Apr. 2021
  • If powdery mildew is present, water-wand rose bushes early in the day, so leaves have time to dry before nightfall.
    Rita Perwich, San Diego Union-Tribune, 4 Feb. 2023
  • Some lilac cultivars have been bred to resist powdery mildew.
    Beth Botts, chicagotribune.com, 19 Sep. 2021
  • Between the powdery mildew, vine borers, and quite frankly the deer that now roam our neighborhood on a nightly basis, the little plant didn’t stand a chance.
    Paul Cappiello, The Courier-Journal, 8 Oct. 2021
  • Warm weather brings on powdery mildew, which covers a plant with a downy, white fungal coating that sucks nutrients out of the leaves.
    The Editors Of Organic Life, Good Housekeeping, 31 Mar. 2017
  • Outbreaks of powdery mildew vary from year to year and the severity varies depending on weather.
    Tim Johnson, chicagotribune.com, 2 Oct. 2021
  • Keep water off the foliage to prevent powdery mildew and possible crown rot.
    Earl Nickel, SFChronicle.com, 4 Dec. 2020
  • Two ways to avoid powdery mildew on tomatoes, cucumbers, squash, pumpkin and melon leaves: - First thing in the morning, give leaves a quick rinse to wash away mildew spores.
    Nan Sterman, San Diego Union-Tribune, 1 July 2023
  • Above ground, fungal diseases such as rose rust, powdery mildew, and anthracnose in sycamores thrive in moisture on the leaves and stems of trees, shrubs and perennials.
    Beth Botts, chicagotribune.com, 10 July 2019
  • If so, that boost of humidity is just enough moisture to aid in the germination of powdery mildew spores that then infect the leaves.
    Miri Talabac, Baltimore Sun, 1 Feb. 2024
  • Leaves with a powdery white coating have been infected with powdery mildew.
    Southern Living Editors, Southern Living, 11 Sep. 2023
  • There needs to be ample airflow around your plants to help prevent fungal diseases such as black spot and powdery mildew from forming.
    Patricia S York, Southern Living, 25 Mar. 2021
  • Plant pathogens have evolved to sense light in order to direct their development, and powdery mildew prefers dark and shady places, often protected from the sun by the vine’s canopy.
    Jill Barth, Forbes, 28 June 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'powdery mildew.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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