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powdery mildew Definition

powdery mildew

noun

  1. any of an order (Erysiphales) of ascomycetous fungi that are parasites on the surfaces of higher plants and produce closed fruiting bodies in a powdery mass
  2. a plant disease caused by a powdery mildew

powdery mildew Usage Examples

Preposition: of

  • cereal: Powdery mildew of cereals, caused by Blumeria graminis ( Ascomycota ).
  • barley: Meanwhile at IGER Tim Carver continues to excel with his work on powdery mildew of barley and his worldwide network of collaborators.

Converse of object

  • cause: First report of powdery mildew caused by Podosphaera phaseoli ( syn.
  • control: Chemical control Organic gardeners can use sulfur dust to control powdery mildews.
  • include: Dr. Hannah Jones from The Eden Project, Cornwall, whose interests include powdery mildew.
  • encourage: Close planting also shuts down air circulation to the lower leaves, encouraging powdery mildew.

Preposition: on

snowberry: This is the first report of powdery mildew on snowberry in Hungary.

Preposition: in

barley: Detection of tolerance to powdery mildew in spring barley.