Definition of Puccinia. Meaning of Puccinia. Synonyms of Puccinia

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Definition of Puccinia

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Puccinia graminis
Rust Rust, n. [AS. rust; akin to D. roest, G. & Sw. rost, Icel. ry[eth]; -- named from its color, and akin to E. red. [root]113. See Red.] 1. (Chem.) The reddish yellow coating formed on iron when exposed to moist air, consisting of ferric oxide or hydroxide; hence, by extension, any metallic film of corrosion. 2. (Bot.) A minute mold or fungus forming reddish or rusty spots on the leaves and stems of cereal and other grasses (Trichobasis Rubigo-vera), now usually believed to be a form or condition of the corn mildew (Puccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish. Note: Rust is also applied to many other minute fungi which infest vegetation, such as the species of Ustilago, Uredo, and Lecythea. 3. That which resembles rust in appearance or effects. Specifically: (a) A composition used in making a rust joint. See Rust joint, below. (b) Foul matter arising from degeneration; as, rust on salted meat. (c) Corrosive or injurious accretion or influence. Sacred truths cleared from all rust and dross of human mixtures. --Eikon Basilike. Note: Rust is used in the formation of compounds of obvious meaning; as, rust-colored, rust-consumed, rust-eaten, and the like. Rust joint, a joint made between surfaces of iron by filling the space between them with a wet mixture of cast-iron borings, sal ammoniac, and sulphur, which by oxidation becomes hard, and impervious to steam, water, etc. Rust mite (Zo["o]l.), a minute mite (Phytopius oleivorus) which, by puncturing the rind, causes the rust-colored patches on oranges.
Puccinia graminis
Heteroecious Het`er*[oe]"cious, a. [Hetero- + Gr. ? house.] (Bot.) Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with aut[oe]cious. -- Het`er*[oe]"cism, n.
Puccinia graminis
Wheat rust Wheat rust A disease of wheat and other grasses caused by the rust fungus Puccinia graminis; also, the fungus itself.

Meaning of Puccinia from wikipedia

- of Puccinia rusts and the diseases they cause: Puccinia asparagi - Asparagus rust Puccinia graminis - Stem rust, also known as black rust Puccinia horiana...
- The stem, black, and cereal rusts are caused by the fungus Puccinia graminis and are a significant disease affecting cereal crops. Crop species that are...
- Wheat yellow rust (Puccinia striiformis f.sp. tritici), also known as wheat stripe rust, is one of the three major wheat rust diseases, along with stem...
- approximately 7,000 species, more than half of which belong to the genus Puccinia, are currently accepted. Rust fungi are highly specialized plant pathogens...
- by dying leaves, which fertilize the fungus. The pathogen is Puccinia rust fungus. Puccinia graminis causes "stem or black rust", P. triticina causes "leaf...
- species. Puccinia abrotani Puccinia abrupta Puccinia acetosae Puccinia achilleae Puccinia adjuncta Puccinia adoxae Puccinia aegopodii Puccinia agrophila...
- Puccinia poarum,, the coltsfoot gall rust or meadow gr**** rust, is a plant pathogen. This fungal parasite forms a yellow to orange gall, 1–2 cm in diameter...
- Puccinia asparagi is the causative agent of asparagus rust. It is an autoecious fungus, meaning that all stages of its life cycle – pycniospores, aeciospores...
- Puccinia arachidis (Peanut rust) is a plant pathogen that causes rust on groundnut. Its spread is promoted by warm, damp weather. List of Puccinia species...
- Puccinia melanocephala is a plant pathogen, it is the causal agent of sugarcane rust. This pathogen affects multiple species of sugarcane, including Saccharum...
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