Microdochium (anamorphic genus)

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symptoms of Microdochium nivale infestation on turf (click on image to enlarge it)
Author(s): William M. Brown Jr.
Source: IPM Images

Microdochium Syd. 1924

The genus contains around 20 species of plant pathogenic fungi. Economically most important are Microdochium nivale and M. majus which cause Microdochium patch or pink snow mould in wheat, other cereals and grasses in temperate regions. This disease starts in autumn and infects the grains. It then develops under the snow cover and after the snow melts yellowish patches appear on the crop or turf.

Microdochium species are Fusarium-like with the conidia being hyaline, smooth and elongated, either straight or curved. The sexual forms have been described under the genus Monographella and the asci are unitunicate containing 8 smooth and septate ascospores.

Type species. Microdochium phragmitis

For a taxonomic re-evaluation of the genus see Hernández-Restrepo et al. (2016).


The following species are currently entered in the system: