Podosphaera ferruginea (Schlechtendal) Braun & Takamatsu, 2000

on Sanguisorba

Podosphaera ferruginea on Sanguisorba officinalis

Sanguisorba officinalis, Belgium, prov. Liège, Büllingen, Vallée de la Holzwarche © Carina Van Steenwinkel

Podosphaera ferruginea on Sanguisorba officinalis

underside of a leaf

Podosphaera ferruginea: cleistothecium

cleistothecium

Podosphaera ferruginea: ascus

the single ascus

Podosphaera ferruginea: appendages

detail of the appendages

Podosphaera ferruginea on Sanguisorba minor

Sanguisorba minor, Amstelveen, Thijsse-park: cleistothecium

Podosphaera ferruginea: cleistothecium

cleistothecium

Podosphaera ferruginea: cleistothecium: peridium

cleistothecium, peridium

gall

mycelium amphigenous, also on other parts of the plant, white, later brown. Appressoria indistinct. Conidia formed in chains, with fibrosin bodies. Cleistothecia often in dense groups forming dark patches; they contain a single ascus with usually 8 spores. Appendages numerous, a large part inserted above the equator, 1-6 x the diameter; they are unbranched, brown, septate, stiff, curved.

hostplants

Rosaceae, oligophagous

Sanguisorba alpina, canadensis, minor & subsp. balearica, officinalis, verrucosa; Sarcopoterium spinosum.

synonyms

Sphaerotheca ferruginea (Schlechtendal) Junell, 1965; Sphaerotheca sanguisorbae (de Candolle) Blumer, 1933.

references

Blumer (1946a, 1967a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Dauphin & Aniotsbehere (1997a), Doppelbaur & Doppelbaur (1973a), Ellis & Ellis (1997a), Hafellner (1980a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Özaslan, Hüseyin & Erdogdu (2014a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a).

pub 25.v.2017 · mod 21.viii.2017