Plant Parasites of Europe

leafminers, galls and fungi

Peronospora arenariae

Peronospora arenariae (Berkeley) Tulasne, 1954

on Moehringia

Peronospora arenariae on Moehringia trinervia

Moehringia trinervia, Belgium, prov. Limburg, Heusden-Zolder, Mangelbeekbeemden © Carina Van Steenwinkel

Peronospora arenariae on Moehringia trinervia

detail

Peronospora arenariae: down

hypophyllous down

Peronospora arenariae on Moehringia trinervia

31.vii.2021

Peronospora arenariae on Moehringia trinervia

conidophore sometimes siender

Peronospora arenariae on Moehringia trinervia

sometimes unusually compact

Peronospora arenariae on Moehringia trinervia

ultimate branchings

Peronospora arenariae on Moehringia trinervia

conidia

Peronospora arenariae on Moehringia trinervia

conidia measurements (12-)14(-15) x (16-)18(-20) µm; n=12

gall

development of the plant systemically disturbed; upperside of the leaf with yellow spots. Underside there with a greyish purple down of 0.4 mm high erect conidiophores that apically several times are dichotomously branching, each branch bearing an ovoid conidium.

host plants

Caryophyllaceae, monophagous

Moehringia ciliata, trinervia.

references

Belbahri, Calmin, Pawlowski & Lefort (2005a), Blumer (1946a), Brandenburger (1985a: 101), Buhr (1964b), Chater, Woods, Stringer, ao (2020a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1959a, 1991a), Hafellner (1980a), Jage, Klenke, Kruse ao (2017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Müller & Kokeš (2008a), Negrean (1996b), Ruszkiewicz-Michalska & Michalski (2005a), Săvulescu (1948a), Scheuer & Bechter (2012a), Thines, Telle, Ploch & Runge (2009b), Voglmayr (2003a).

Last modified 6.x.2021