Peronospora chrysosplenii Fuckel, 1870

on Chrysosplenium

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

specks of down of the undersides of the leaves

detail

epidermis fragment with conidiophores

conidiophore

conidia

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).