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definitions

leaf rust

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noun Plant Pathology.

a disease, especially of cereals and other grasses, characterized by rust-colored pustules of spores on the affected leaf blades and sheaths and caused by any of several rust fungi.

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Nearby words

  1. leaf mustard,
  2. leaf peeper,
  3. leaf primordium,
  4. leaf roll,
  5. leaf roller,
  6. leaf scald,
  7. leaf scar,
  8. leaf sheath,
  9. leaf sight,
  10. leaf spot

Origin of leaf rust

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for leaf rust

  • The only danger in very early planting is that leaf-rust sometimes attacks the forward crop.

    Agriculture for Beginners|Charles William Burkett