Peronospora alta Fuckel, 1870

on Plantago

Peronospora alta on Plantago major

Plantago major, Belgium, prov. Limburg, Diepenbeek, Nietelbroeken © Carina Van Steenwinkel

Peronospora alta on Plantago major

infected leaf

Peronospora alta on Plantago major

underside

Peronospora alta: conidiophore

conidiophore

Peronospora alta: conidiophore

ultimate branchings

Peronospora alta: conidia

conidia

gall

development of the plant disturbed; upperside of the leaf with yellow or brown spots. Underside there with a greyish purple to ash-coloured down of 0.7 mm high erect conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.

host plants

Plantaginaceae, monophagous

Plantago altissima, arenaria, lanceolata, major & subsp. intermedia, maritima & subsp. serpentina, media, sericea.

references

Belbahri, Calmin, Pawlowski & Lefort (2005a), Brandenburger (1985a), Buhr (1965a), Doppelbaur & Doppelbaur (1973a, 1974a), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Göker, Voglmayr, Riethmüller ao (2003a), Gustavsson (1991a), Hafellner (1980a), Jage, Klenke, Kruse ao (2017a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Melzer, Pittoni, Poelt & Scheuer (1984a), Müller (2015a), Müller & Kokeš (2008a), Negrean (1995a, 1996b), Riethmüller, Voglmayr, Göke ao (2002a), Ruszkiewicz-Michalska (2006a), Sävulescu (1948a), Scheuer & Bechter (2012a), Scholler & Schubert (1993a), Tomasi (2014a), Voglmayr (2003a).

mod 18.viii.2019