Taphrina tosquinetii

Taphrina tosquinetii is a fungal plant pathogen that causes large blisters on both surfaces of the leaves of alder.

Taphrina tosquinetii
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Taphrinomycetes
Order: Taphrinales
Family: Taphrinaceae
Genus: Taphrina
Species:
T. tosquinetii
Binomial name
Taphrina tosquinetii
(Westendorp) Tulasne, 1866[1]
Synonyms[2]
  • Ascomyces tosquinetii Westend., 1861
  • Exoascus tosquinetii (Westend.) Syd. & P. Syd.

Description of the gall

The ascomycete induces a gall that distorts the leaves of alder. The leaves are slightly thickened, brittle and incurved with blister-like growth on both sides, which can increase the size of an infected leaf to twice the normal size. Later the leaf tissue becomes pale and thin with a whitish bloom when the asci develop.[3][4] Species infected include common alder (Alnus glutinosa), grey alder (Alnus incana), Alnus x pubescens.[1]

References
  1. Ellis, W N. "Taphrina tosquinetii (Westendorp) Tulasne, 1866". Plant Parasites of Europe.
  2. "Taphrina tosquinetii (Westend.) Magnus, 1890". Interim Register of Marine and Nonmarine Genera. Retrieved 13 January 2021.
  3. Redfern, Margaret; Shirley, Peter; Bloxham, Michael (2011). British Plant Galls (Second ed.). Field Studies Council. p. 34. ISBN 978 1 85153 284 1.
  4. "Taphrina tosquinetii". fungalpunknature. Retrieved 13 January 2021.
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