Ustilago hordei (Persoon) Lagerheim, 1899

covered smut of barley and oats

on Hordeum


Smut of the grains. Characteristically, the spore mass is not blown out, but remains as a clump within the glumes. The spores are smooth, measure 7(8)-9(11) µm, and are olive brown at one side, almost hyaline at the other. Infected culms remain abnormally short.

host plants

Poaceae, oligophagous

Arrhenatherum elatius; Avena barbata, nuda, sativa, strigosa; Hordeum vulgare & subsp. distichon + spontaneum.


The English name “Covered Smut” refers to the fact that the spore mass remains covered by the glumes.


Ainsworth & Sampson (1950a), Almaraz (1998a), Buhr (1964b), Ellis & Ellis (1997a), Kabaktepe & Akata (2019a), Klenke & Scholler (2015a), Kruse (2019a), Llorens i Villagrasa (1984a). Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez ao (2010a), Navarro, Honrubia & Torres (1986a), Negrean & Anastasiu (2006a), Prillinger, Wuczkowski, Lopandic ao (2009a), Savchenko, Carris, Castlebury ao (2014b), Savchenko & Heluta (2012a) Ukraine, Tomasi (2014a), Tóth (1994a), Unamuno (1941b, 1942a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky & Abbasi (2013a), Woods, Chater, Smith ao (2018a), Zwetko (1993a).

mod 1.xi.2019