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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.