Peronospora arenariae (Berkeley) Tulasne, 1954
on Moehringia
Moehringia trinervia, Belgium, prov. Limburg, Heusden-Zolder © Carina Van Steenwinkel
detail
hypophyllous down
conidiophre and stomata
conidiophore
conidia
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), 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), Săvulescu (1948a), Scheuer & Bechter (2012a), Thines, Telle, Ploch & Runge (2009b), Voglmayr (2003a).