Peronospora dipsaci Tulasne, 1854
on Dipsacus
Dipsacus fullonumBelgium, prov. Limbourg, Dal van de Grensmaas, Hochter Bampd-Herbicht, 2.vi.2020 © Carina Van Steenwinkel: leaf with local infections
some leaves are entirely infected, pale geeen
the down at hand-lense magnification
conidiophores
conidiophore
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: 598), Buhr (1964b), Chater, Woods, Stringer, ao (2020a), 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).