Peronospora valerianellae Fuckel, 1863

on Valerianella

gall

leaves pale, may be disfigured. Underside with a greyish-violet down, consisting of 0.4 mm high erect conidiophores that apically several times are dichotomously branching, each terminal branch ending in a conidium.

hostplants

Caprifoliaceae, oligophagous

Fedia cornucopiae; Valerianella carinata, dentata, discoidea, locusta, rimosa.

references

Brandenburger (1985a), Buhr (1965a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Müller & Kokeš (2008a), Săvulescu (1948a), Voglmayr (2003a).

mod 2.ix.2018