Hyaloperonospora erophilae (Gäumann) Göker, Voglmayr, Riethmüller, Weiß & Oberwinkler, 2003

on Erophila

Erophila verna, Belgium, prov. Limbourg, Linkhout, 23.iii.2021 © Carina Van Steenwinkel

detail

conidiophore

conidiophore, ultimate branchings

conidium

the oogonia in the host plant’s tissue are visible even with the naked eye.

toung oogonium

,mature oogonium

haustoria in a host plant’s cell

Erophila verna, Belgium, prov, Hainaut, Froidchapelle, 4.iv.2019 © Sébastien Carbonelle

gall

The entire plant is disfigured. Upperside of the leaves locally bleached and galled; at the corresponding underside a greyish-white fungal bloom consisting of erect, distally strongly branched conidiophores. In the plant tissue locally oospores are formed, and particularly there galling occurs.

host plants

Brassicaceae, monophagous

Erophila verna.

synonyms

Peronospora erophilae Gäumann, 1918.

references

Buhr (1964b), Dauphin & Aniotsbehere (1997a), Dietrich (2013a), Doppelbaur, Huber & Poelt (1965a), Göker, Voglmayr, Riethmüller ao (2003a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Müller & Kokeš (2008a), Săvulescu (1948a), Voglmayer & Göker, (2011a).