Plant Parasites of Europe

leafminers, galls and fungi

Peronospora chrysosplenii

Peronospora chrysosplenii Fuckel, 1870

on Chrysosplenium

Peronospora chrysosplenii on Chrysosplenium alternifolium

Belgium, prov. Limbourg, Reppel, Abeekvallei, 26.iv.2022 © Carina Van Steenwinkel

Peronospora chrysosplenii on Chrysosplenium alternifolium

specks of down of the undersides of the leaves

Peronospora chrysosplenii on Chrysosplenium alternifolium

detail

Peronospora chrysosplenii on Chrysosplenium alternifolium

epidermis fragment with conidiophores

Peronospora chrysosplenii on Chrysosplenium alternifolium

conidiophore

Peronospora chrysosplenii on Chrysosplenium alternifolium

conidia

Peronospora chrysosplenii on Chrysosplenium alternifolium

In the present material they measured 17-21 x 20-27 µm.

gall

shoot tips pale yellow, later yellowish brown; at the underside of the leaves a greyish fungal bloom, consisting of erect, distally repeatedly dichotomously branching conidiophores. The conidia measure 14-26 x 16-30 µm.

host plants

Saxifragaceae, monofaag

Chrysosplenium alternifolium, oppositifolium.

references

Belbahri, Calmin, Pawlowski & Lefort (2005a), Brandenburger (1985a), Chater, Woods, Stringer, ao (2020a), Choi, Denchev & Shin (2008a), Dietrich (2013a, 2016b), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Hafellner (1980a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Melzer, Pittoni, Poelt & Scheuer (1984a), Müller & Kokeš (2008a), Ruszkiewicz-Michalska (2006a), Săvulescu (1948a), Voglmayr (2003a).

Last modified 30.iv.2022