Nectria

Nectria is a genus of Ascomycete fungi. They are most often encountered as saprophytes on decaying wood but some species can also occur as parasites of trees, especially fruit trees (for example apple) and a number of other hardwood trees. Some species are significant pests causing diseases such as apple canker, Nectria twig blight, and coral spot in orchards.

This article is about the genus of fungi. For the echinoderm genus, see Nectria (sea star).

Nectria
Perithecia of an unidentified Nectria species
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Sordariomycetes
Order: Hypocreales
Family: Nectriaceae
Genus: Nectria
(Fr.) Fr. (1849)
Type species
Nectria cinnabarina
(Tode) Fr. (1849)
Synonyms[1]

Ephedrosphaera Dumort. (1822)
Chilonectria Sacc. (1878)
Nectria subgen. Aponectria Sacc. (1878)
Megalonectria Speg. (1881)
Aponectria (Sacc.) Sacc. (1883)
Stilbonectria P.Karst. (1889)
Allantonectria Earle (1901)
Creonectria Seaver (1909)
Rhodothrix Vain. (1921)
Styloletendraea Weese (1924)
Ochraceospora Fiore (1930)

It is ubiquitous in cool temperate Europe and North America and appears to be an introduced species in New Zealand and Australia. The occurrence in New Zealand was first identified in 1996 in Otago and Southland although it is believed to have been present since the 1980s. In North America, Nectria infections have had economically important impacts on forestry and forest products including aspen, red oak, maple, beech, poplar, and birch. Species of Nectria also occur in warmer climates including island groups such as Hawaii. According to the Dictionary of the Fungi (10th edition, 2008), the genus contains 82 species.[2]

Species

References
  1. "Nectria (Fr.) Fr. 1849". Index Fungorum. International Mycological Association. Retrieved 2011-02-03.
  2. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 461. ISBN 978-0-85199-826-8.


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