Plant Parasites of Europe

leafminers, galls and fungi

Peronospora ducometi

Peronospora ducometi Siemaszko & Jankowsky, 1929

on Fagopyrum


upperside of the leaves with paled, slightly embossed patches; at the underside a grey fungal bloom, consisting of erect, distally strongly branched conidiophores. The sporangiophore is up to 0.4 mm high, the conidia measure ± 17 x 22 µm.

host plants

Polygonaceae, monophagous

Fagopyrum esculentum, tataricum.


Brandenburger (1985a: 82), Buhr (1964b), Jage, Klenke, Kruse ao (2017a [“ducometii“]), Klenke & Scholler (2015a), Kruse, Thiel, Brodtbeck ao (2017a), Mułenko, Piątek, Wołczańska ao (2010a), Negrean &a Anastasiu (2006a), Săvulescu (1948a).

Last modified 21.iv.2020