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Rust fungi are major concerns and limiting factors for successful cultivation of agricultural and forest crops. [ citation needed ] White pine blister rust, wheat stem rust, soybean rust, and coffee rust are examples of notoriously damaging threats to economically important crops. [ 3 ]
Puccinia is a genus of fungi.All species in this genus are obligate plant pathogens and are known as rusts. [1] The genus contains about 4000 species. [2]The genus name of Puccinia is in honour of Tommaso Puccini (died 1735), who was an Italian doctor and botanist who taught anatomy at Hospital of Santa Maria Nuova in Florence.
Cronartium ribicola (White pine blister rust): the primary host are white pines, and currants the secondary. Hemileia vastatrix (Coffee rust): the primary host is coffee plant, and the alternate host is unknown. Puccinia graminis (Stem rust): the primary hosts include Kentucky bluegrass, barley, and wheat; barberry is the alternate host.
Most are plant pathogens. Many Pucciniomycotina are rust fungi and are placed in the order Puccinales that contains roughly 7800 species (c. 90% of the group). [4] [8] Some members of the group are of economical importance as a pathogen on a wide range of commercial plants, e.g. wheat. Pucciniomycotina is a cosmopolite and exists all over the ...
Austropuccinia is a monotypic genus of rust (a type of plant pathogen) native to South America with the only species Austropuccinia psidii, commonly known as myrtle rust, guava rust, or ʻōhiʻa rust. It affects plants in the family Myrtaceae. It is a member of the fungal complex called the guava rust (Puccinia psidii) group. [3]
Cronartium is a genus of rust fungi in the family Cronartiaceae. They are heteroecious rusts with two alternating hosts, typically a pine and a flowering plant, and up to five spore stages. Many of the species are plant diseases of major economic importance, causing significant damage. Species, hosts and natural distribution
Chrysomyxa abietis, or spruce needle rust, is a species of rust fungi in the Coleosporiaceae family that is native to eastern Europe (including Siberia) and northern Asia. [2] It was introduced to Australia , New Zealand and the United States .
Aecidium is a genus of rust fungi in the order Pucciniales. The widespread genus was estimated to contain about 600 species in 2008. [2] As of 27 August 2023, the GBIF lists up to 947 species, [3] while Species Fungorum lists about 816 species (out of 1251 records). [4] About 800 species are accepted by Wijayawardene et al. 2020. [5