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

- Puccinia is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts. The genus contains about 4000 species. The...
- approximately 7,000 species, more than half of which belong to the genus Puccinia, are currently accepted. Rust fungi are highly specialized plant pathogens...
- Puccinia malvacearum, also known as hollyhock or mallow rust, is a fungal species within the genus Puccinia known for attacking members of the family...
- cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease in cereal crops. Crop species...
- 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 whakatipu is a species of rust fungus on Leptocarpus in New Zealand. It was formally described as a new species in 1924 by the mycologist Gordon...
- Puccinia evadens is a species of rust fungus that is found on Baccharis plants. According to Manual of the Rusts in United States and Canada (1934), Puccinia...
- Puccinia arachidis, or peanut rust, is a plant pathogen that causes rust on peanut. Its spread is promoted by warm, damp weather. List of Puccinia species...
- Puccinia sessilis is a fungal species and plant pathogen, which is also known as arum rust or ramsons rust. It commonly infects Arum maculatum and Allium...
- Wheat leaf rust (Puccinia triticina) is a fungal disease that affects wheat, barley, rye stems, leaves and grains. In temperate zones it is destructive...