Phragmidium rubi-idaei (de Candolle) Karsten, 1879
on Rubus
Rubus idaeus, Belgium, prov. Liège, Büllingen, Vallée de la Holzwarche © Carina Van Steenwinkel
same leaf, underside
orange uredinia and black telia
young uredinium, surrounded by paraphyses
paraphyses
urediniospores
youg telium, equally surrounded by paraphyses
telium
teliospores
teliospores
Rubus idaeus, uit González-Fragoso (1925a): small telium
teliospores
gall
no alternation of host plant. Spermogonia near the aecia, between epidermis and cuticula. Aecia epiphyllous, yellow in circular groups, without a peridium but with a circle of hyaline, sausage-shaped curved paraphyses; spores produced in chains, sparsely spinulose. Uredinia hypophyllous, small, 0.2 mm, equally encircled by paraphyses, spores single, pedicellate. Telia hypophyllous black; spores long pedicellate, elliptic, dark brown, transversely divided into c.6, finely verrucose cells, terminated by a blunt papilla; the spore pedicels swell when in contact with water.
host plants
Rosaceae, narrowly monophagous
Rubus idaeus, spectabilis.
references
Bahcecioglu & Kabaktepe (2012a), Blumer (1946a), Buhr (1965a), Cunningham (1945a), Doppelbaur & Doppelbaur (1973a), Ellis & Ellis (1997a), Gäumann (1959a), González-Fragoso (1925a), Helfer (2005a), Henderson (2000a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Losa España (1942a), Negrean (1997a), Maier, Begerow, Weiß & Oberwinkler (2003a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Riegler-Hager (2014a), Ritz, Maier, Oberwinkler & Wissemann (2005a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).