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leaf rust

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.
Origin of leaf rust
1860-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for leaf rust
  • leaf rust is an important foliar disease of wheat worldwide.
  • Early infection lesion of ash leaf rust on white ash.
  • Resistance to leaf rust may be achieved by adding specific resistant genes to wheat.
  • Identifying sources of resistance to wheat leaf rust under induced and natural conditions.
  • Recommended allele symbols for leaf rust resistance genes in barley.
  • Depending on the leaf rust races present, other differential lines may be more useful in some other regions of the world.

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