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Taphrina is fungal genus within the Ascomycota that causes leaf and catkin curl diseases and witch's broom
Witch's broom

A Witch's broom is a disease or deformity in a woody plant, typically a tree, where the natural structure of the plant is changed. A dense mass of shoots grows from a single point, with the resulting structure resembling a Broom or a bird's nest....
s of certain flowering plants. One of the more commonly observed species causes peach leaf curl
Leaf curl

Leaf curl is a plant disease caused by a fungus or virus and characterized by curling of leaves. One of the most notable types is peach leaf curl, caused by the fungus Taphrina deformans....
. Taphrina typically grow as yeasts during one phase of their life-cycles, then infect plant tissues in which typical hyphae are formed, and ultimately they form a naked layer of asci
Ascus

An ascus is the sexual spore-bearing cell produced in Ascomycota fungi. On average, asci normally contain 8 ascospores, produced by a meiosis cell division followed, in most species, by a mitosis cell division....
 on the deformed, often brightly pigmented surfaces of their hosts.






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Taphrina is fungal genus within the Ascomycota that causes leaf and catkin curl diseases and witch's broom
Witch's broom

A Witch's broom is a disease or deformity in a woody plant, typically a tree, where the natural structure of the plant is changed. A dense mass of shoots grows from a single point, with the resulting structure resembling a Broom or a bird's nest....
s of certain flowering plants. One of the more commonly observed species causes peach leaf curl
Leaf curl

Leaf curl is a plant disease caused by a fungus or virus and characterized by curling of leaves. One of the most notable types is peach leaf curl, caused by the fungus Taphrina deformans....
. Taphrina typically grow as yeasts during one phase of their life-cycles, then infect plant tissues in which typical hyphae are formed, and ultimately they form a naked layer of asci
Ascus

An ascus is the sexual spore-bearing cell produced in Ascomycota fungi. On average, asci normally contain 8 ascospores, produced by a meiosis cell division followed, in most species, by a mitosis cell division....
 on the deformed, often brightly pigmented surfaces of their hosts. No discrete fruitbody is formed outside of the gall
Gall

Galls or plant galls are abnormal outgrowths of plant tissues and can be caused by various parasites, from fungi and bacterium, to insects and mites....
-like or blister-like tissues of the hosts. The asci form a layer lacking paraphyses, and they lack croziers
Crozier (mycology)

A crozier is an anatomical feature of many fungi in the phylum Ascomycota that form at the base of ascus and look like hook-topped shepherd?s staffs or stylized religious crosiers....
. The ascospores frequently bud into multiple yeast cells within the asci. Phylogenetically, Taphrina is a member of a basal group within the Ascomycota, and type genus for the subphylum Taphrinomycotina
Taphrinomycotina

Taphrinomycotina is one of three subphyla constituting the Ascomycota and is more or less synonymous with the slightly older invalid name Archiascomycetes ....
, the class Taphrinomycetes
Taphrinomycetes

Taphrinomycetes are a class of ascomycete fungi. It includes the single order Taphrinales....
, and order Taphrinales.

Species:
  • Taphrina alni
    Alder tongue gall

    The alder tongue gall develops as a chemically induced distortion of female Alder . It is caused by the Ascomycete fungus Taphrina alni.File:Taphrina amentorum gall.JPG...
     (BERK. & BROOME) GJAERUM,
  • Taphrina betulina ROSTR.,
  • Taphrina bullata (BERKELEY) TULASNE,
  • Taphrina caerulescens (DESMAZ. & MONT.) TUL.,
  • Taphrina deformans
    Taphrina deformans

    Taphrina deformans is a plant pathogen, who is the causal agent of peach leaf curl.ReferencesExternal links...
     (BERK.) TUL.,
  • Taphrina johansonii SADEBECK,
  • Taphrina maculans BUTLER,
  • Taphrina piri,
  • Taphrina populina (FR. ex FR.) FR.,
  • Taphrina pruni TUL.,
  • Taphrina sadebeckii JOHANS.,
  • Taphrina tosquinetii (WESTEND.) MAGNUS,
  • Taphrina ulmi
    Taphrina ulmi

    Taphrina ulmi is a plant pathogen.External links * References...
     (FUCKEL) JOHANS.,
  • Taphrina wiesneri (RATHAY) MIX


Footnotes