leaf rust
noun Date: 1865 a rust disease of plants and especially of wheat that affects primarily the leaves

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • leaf rust — noun : a rust disease of plants and especially of cereal grasses (as wheat or rye) primarily affecting the leaves * * * Plant Pathol. a disease, esp. of cereals and other grasses, characterized by rust colored pustules of spores on the affected… …   Useful english dictionary

  • leaf rust — Plant Pathol. a disease, esp. 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. [1860 65] * * * …   Universalium

  • Leaf rust (barley) — Leaf rust is a fungal disease of barley caused by Puccinia hordei . It is also known as brown rust and it is the most important rust disease on barley.cite book last = Mathre first = D.E. title = Compendium of barley diseases publisher = American …   Wikipedia

  • Wheat leaf rust — Taxobox image caption = Symptons of wheat leaf rust name = Puccinia triticina regnum = Fungi phylum = Basidiomycota classis = Urediniomycetes ordo = Uredinales familia = Pucciniaceae genus = Puccinia species = P. triticina binomial = Puccinia… …   Wikipedia

  • brown leaf rust — noun : a disease of rye caused by a fungus (Puccinia dispersa) compare stem rust …   Useful english dictionary

  • orange leaf rust — noun : a rust of wheat and other grasses caused by a fungus (Puccinia triticina), characterized by orange colored pustules on the leaves, resulting in decreased yield and quality of grain, and involving as alternate host of the parasite a meadow… …   Useful english dictionary

  • Rust (fungus) — Taxobox name = Rusts image width = 330px image caption = Puccinia recondita f.sp. tritici on wheat leaf regnum = Fungi divisio = Basidiomycota classis = Urediniomycetes ordo = Uredinales subdivision ranks = Families subdivision = Pucciniaceae… …   Wikipedia

  • Leaf Rapids, Manitoba — Infobox city official name = Town of Leaf Rapids nickname = motto = imagesize = image caption = image mapsize = map caption = subdivision type = Country subdivision name = Canada subdivision type1 = Province subdivision name1 = Manitoba… …   Wikipedia

  • leaf disease — noun any plant disease localized in the foliage • Hypernyms: ↑plant disease * * * noun 1. : a disease localized in the foliage 2. : a coffee disease caused by a rust fungus (Hemileia vastatrix) called also coffee disease …   Useful english dictionary

  • wheat rust — noun rust fungus that attacks wheat • Syn: ↑Puccinia graminis • Hypernyms: ↑rust, ↑rust fungus • Member Holonyms: ↑Puccinia, ↑genus Puccinia * * * noun …   Useful english dictionary

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