Plant Parasites of Europe

leafminers, galls and fungi

Ustilago nuda

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).

Last modified 28.vii.2019