Plant Parasites of Europe

leafminers, galls and fungi

Peronospora paula

Peronospora paula Gustavsson, 1959

on Cerastium

Peronospora paula on Cerastium fontanum subsp. vulgare

Cerastium fontanum subsp. vulgare, Belgium, prov. Limburg, Genk, Diepenbekerbos © Carina Van Steenwinkel

Peronospora paula on Cerastium fontanum subsp. vulgare

infected leaves, upperside

Peronospora paula on Cerastium fontanum subsp. vulgare

hypophyllous down

Peronospora paula: conidiophore

conidiophore

Peronospora paula: conidiophore, detail

crown

Peronospora paula: conidia

conidia 12-14 x (15)-16-(17) µm

gall

upperside of the leaves with paled, slightly embossed patches; at the corresponding underside a greyish white fungal bloom, consisting of erect, distally strongly branched conidiophores. The conidia measure 12-18 x 15-20 µm.

host plants

Caryophyllaceae, narrowly monofaag

Cerastium fontanum subsp. vulgare, pumilum subsp. glutinosum, semidecandrum.

references

Belbahri, Calmin, Pawlowski & Lefort (2005a), Brandenburger (1985a: 99), Buhr (1964b), Doppelbaur & Doppelbaur (1974a), Doppelbaur, Huber & Poelt (1965a), Ellis & Ellis (1987a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Müller & Kokeš (2008a), Tomasi (2014a), Voglmayr (2003a).

Last modified 21.iv.2020