Nectria

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iNectria

Scientific classification
Kingdom: Fungi
Division: Ascomycota
Subdivision: Pezizomycotina
Class: Sordariomycetes
Order: Hypocreales
Family: Hypocreaceae
Genus: Nectria

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

Nectria cinnabarina colonies.
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Nectria cinnabarina colonies.

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 , where they can be a significant pest causing diseases such as apple canker, Nectria twig blight, and coral spot in orchards.

It is ubiquitous in cool temperate Europe and North America and is 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.

[edit] Species

  • Nectria cinnabaraina
  • Nectria coccinea
  • Nectria diversispora
  • Nectria fragilis
  • Nectria fuckeliana
  • Nectria galligena
  • Nectria haematococca
  • Nectria episphaeria
  • Nectria magnoliae
  • Nectria punicea
  • Nectria radicicola
  • Nectria ramulariae


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