Peronospora rumicis Corda, 1837

on Rumex

gall

development of the plant disturbed by a systemic infection; the discoloured leaves stand stiffly erect. Underside of the leaves with a greyish purple down of 0.6 mm high erect conidiophores that apically several times are dichotomously branching, each branch ending in an elliptic conidium.

host plants

Polygonaceae, monophagous

Rumex acetosa, acetosella, arifolius, crispus, nivalis, scutatus, thyrsiflorus.

references

Belbahri, Calmin, Pawlowski & Lefort (2005a), Brandenburger (1985a: 89), Buhr (1965a), Chater, Woods, Stringer, ao (2020a), Choi, Constantinescu & Shin (2007a), Choi, Denchev & Shin (2008a), Constantinescu & Fatehi (2002a), Dauphin & Aniotsbehere (1997a), Doppelbaur & Doppelbaur (1973a, 1974a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, García-Blázquez, Voglmayr ao (2009a), Göker, Voglmayr, Riethmüller ao (2003a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2016a, 20017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Müller (2015a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Redfern & Shirley (2011a), Riethmüller, Voglmayr, Göker ao (2002a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a), Săvulescu (1948a), Thines, Telle, Ploch & Runge (2009b), Voglmayr (2003a).