Plant Parasites of Europe

leafminers, galls and fungi

Peronospora dipsaci

Peronospora dipsaci Tulasne, 1854

on Dipsacus

Peronospora dipsaci on Dipsacus fullonum

Dipsacus fullonumBelgium, prov. Limbourg, Dal van de Grensmaas, Hochter Bampd-Herbicht, 2.vi.2020 © Carina Van Steenwinkel: leaf with local infections

Peronospora dipsaci on Dipsacus fullonum

some leaves are entirely infected, pale geeen

Peronospora dipsaci on Dipsacus fullonum

the down at hand-lense magnification

Peronospora dipsaci: conidiophures

conidiophores

Peronospora dipsaci: conidiophore

conidiophore

Peronospora dipsaci: conidium

conidium

Peronospora dipsaci: conidium

conidium

gall

upperside of the leaves with paled, slightly embossed patches; at the corresponding underside a greyish brown-purple fungal bloom, consisting of erect, distally strongly branched conidiophores. The conidia measure 13-29 x 18-35 µm.

host plants

Caprifoliaceae, monofaag

Dipsacus fullonum, laciniatus, pilosus.

references

Brandenburger (1985a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Müller (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).

Last modified 7.vi.2020