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Powdery mildew

Pronounced / POW·der·ee MIL·doo /

A fungal disease that leaves white, powdery patches on leaves and can spread to buds.

Example in a sentence

“Better airflow helped keep powdery mildew off the fan leaves.”

Also called PM, white powdery mildew

Sources (1)
  1. https://extension.umn.edu/plant-diseases/powdery-mildew-trees-and-shrubs
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