Mycocentrospora acerina

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conidia and conidiophores of Mycocentrospora acerina (click on image to enlarge it)
Author: Uwe Braun
Source: Open Media
conidia of Mycocentrospora acerina (click on image to enlarge it)
Author: Malcolm Storey
Source: Bioimages

Mycocentrospora acerina (R. Hartig) Deighton 1972

This fungus is found in temperate regions of Europe, the Americas, Australia and New Zealand. Mainly caraway and carrots (liquorice rot) become become infected. Other umbelliferous crops as well as various other plants are also susceptible. Conidia spread by rain splashes (Evenhuis et al., 1997), causing anthracnose and leaf spots. Chlamydospores persist in the soil and can cause root infections, resulting in rot and wilting.

M. acerina forms large, elongated conidia, 150-200 x 10-12 µm in size, which are multi-celled, often curved and taper gradually to a long, thin tip. Chains of spherical, black, thick-walled chlamydospores with a diameter of about 20-25 µm are also formed.

Synonyms:
Centrospora acerina