Plasmopara pusilla (de Bary) Schröter, 1886

Chromista, Oomycota, Oomycetes, Peronosporales

on Geranium

Plasmopara pusilla on Geranium cf phaeum

Geranium spec., Zaandam, heemtuin; light infestation, upperside

Plasmopara pusilla on Geranium cf phaeum

same leaf, underside

Plasmopara pusilla: conidiophores

conidiophores and conidia

Plasmopara pusilla on Geranium pratense

Geranium pratense, Nieuwendam

Plasmopara pusilla on Geranium pratense

detail of the down

Plasmopara pusilla on Geranium pratense

conidiopheres

Plasmopara pusilla

basal part

Plasmopara pusilla

conidium

gall

leaves with angular, brown spots; at the underside a white fungal down of erectm relatively shorty (up to 140 µm high) conidiophores that apically bear a few short branches, each one ending upon a oblong conidium with a low papilla. Voglmayr, Fatehi & Constantinescu (2006a) give a detailed description.

hostplants

Geraniaceae, nauw monophagous

Geranium pratense.

Occasionally also G. ashpodeloides, dahuricum, and sibiricum; not on G. phaeum. Kirbağ reports from Turkey G. tuberosum.

synonyms

Plasmopara geranii-pratensis Săvulescu & Săvulescu, 1951.

references

Blumer (1946a), Brandenburger (1985a), Constantinescu & Denchev (2004a), Doppelbaur & Doppelbaur & Doppelbaur (1973a), Doppelbaur, Huber & Poelt (1965a), Duarte, Choi, Soares & Barreto (2014a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, Voglmayr, Riethmüller, Weiß & Oberwinkler (2003a), Hafellner (1980a), Kirbağ (2004a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Kruse, Thines & Choi (2016a), Ludwig (1974a), Mayor (1967a), Müller (2015a), Müller & Kokeš (2008a), Mułenko, Bacigálová, Wołczańska, Świderska & Mamczarz (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1995a), Riethmüller, Voglmayr, Göker, Weiß & Oberwinkler (2002a), Ruszkiewicz-Michalska (2006a), Voglmayr, Fatehi & Constantinescu (2006a).

25/05/2017

pub 25.v.2017 · mod 28.vi.2017