Ustilago nuda (Jensen) Rostrup, 1889

on cereals

gall

Smut fungus, generally destroying the entire ear. The young sori are initially covered by a thin membrane. The mass of spores is blown away, finally leaving the rachis exposed. The spores are solitary, long-oval, 5-7 x 6-9 µm, yellowish brown, darker at one side; wall scattered finely echinulate. The infection begins in the ovaries.

host plants

Poaceae, monophagous

Hordeum jubatum, murinum subsp. leporinum, vulgare & subsp. distichon.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Buhr (1965a), Dietrich (2013a), Ivić, Sever, Scheuer & Lutz (2013a), Klenke & Scholler (2015a), Kruse (2019a), Llorens i Villagrasa (1984a), Lutz & Vánky (2009a), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez ao (2010a), Prillinger, Wuczkowski, Lopandic ao (2009a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky & Abbasi (2013a).

mod 28.vii.2019