Peronospora oerteliana Kühn, 1884

on Primula

gall

development of the plant disturbed; upper side of the leaf with yellow spots. Underside there with a greyish purple down of 0.6 mm high erect conidiophores that apically several times are branching, each branch ending upon an ovoid conidium.

host plants

Primulaceae, monophagous

Primula acaulis, auricula, elatior, veris.

references

Brandenburger (1985a), Dauphin & Aniotsbehere (1997a), Doppelbaur, Huber & Poelt (1965a), Gäumann & Blumer (1947a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse, Thiel, Brodtbeck ao (2017a), Müller (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).

mod 28.iii.2019