Ustilago tritici (Persoon) Rostrup, 1890

loose smut of wheat

on Triticum

gall

The entire ears is dusted black with smut spores, the seeds are totally destroyed. The sori are naked from the moment they are recognisable. De spores are unitary, brown, 5-7 x 6-9 µm; their wall is densely verrucose.

host plants

Poaceae, oligophagous

Aegilops cylindrica, geniculata, kotschyi, neglecta, triuncialis; Secale cereale, sylvestre; Triticum aestivum & subsp. spelta, monococcum, turgidum & subsp. dicoccon + durum + polonicum.

synonyms

Ustilago vavilovi Jaczewski, 1925.

notes

worldwide pest in wheat cultivation “loose smut” (Wilcoxson & Saari)

references

Almaraz (1998a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Ivić, Sever, Scheuer & Lutz (2013a), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Llorens i Villagrasa (1984a), McTaggart, Shivas, Geering, Vánky & Scharaschkin (2012b), Navarro, Honrubia & Torres (1986a), Nielsen (1985a), Savchenko & Heluta (2012a), Tóth (1994a), Unamuno (1941b, 1942a), Vanderweyen & Fraiture (2014a), Vánky (1994a), Vánky & Abbasi (2013a), Wilcoxson & Saari (1996a), Woods, Chater, Smith ao (2018a), Zwetko (1993a).