Phragmidium bulbosum (Fries) Schlechtendal, 1824

on Rubus

Phragmidium bulbosum: telia on Rubus fruticosus

Rubus fruticosus, Belgium, prov. Antwerp, Mol © Carina Van Steenwinkel

Phragmidium bulbosum: teliospores

teliospores

Phragmidium bulbosum: telium and teliospores

Rubus plicatus. from González-Fragoso (1925a): telium, surrounded by paraphyses, and teliospores

gall

no alternation of host plant. Spermogonia epiphyllous. Aecia mostly hypophyllous, yellow, minute but larger on the veins, without a peridium but with a coronet of hyaline, sausage-shaped curved paraphyses; spores produced in chains, sparsely aculeate. Uredinia like the aecia, but spores single, pedicellate, wall finely spinulate. Telia hypophyllous black; spores long pedicellate, elliptic, dark brown, transversely divided into 4-7 finely verrucose cells, abruptly terminated by an apiculus.

host plants

Rosaceae, broadly monophagous

Rubus caesius, egregius, fruticosus, grabowskii, gracilis, gratus, hirtus, montanus, nessensis, plicatus, pyramidalis, questieri, radula, sanctus, sprengelii, sulcatus, ulmifolius & subsp. rusticanus.

Not on R. saxatilis.

synonyms

Phragmidiun rubi(Persoon) Winter, 1882.

references

Bahcecioglu & Kabaktepe (2012a), Brandenburger (1972a), Buhr (1965a), Doppelbuar & Doppelbaur (1968a, 1973a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1892a, 1987a), Gönczö & Révay (1981a), González-Fragoso (1925a), Helfer (2005a), Heluta, Hayova, Tykhonenko ao (2010a), Henderson (2000a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Jørstad (1953a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Losa España (1942a), Ludwig (1974a), Melzer, Pittoni, Poelt & Scheuer (1984a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Ruszkiewicz-Michalska (2006a), Sadravi, Ono, Pei & Rahnama (2007a), Scheuer & Bechter (2012a), Schön (2014a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Tomasi (2003a, 2012a, 2014a), Tóth (1994a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

mod 23.viii.2019