Plant Parasites of Europe

leafminers, galls and fungi

Peronospora myosotidis

Peronospora myosotidis de Bary, 1863

on Brunnera, Myosotis

Peronospora myosotidis on Myosotis spec.

Myosotis spec., Belgium, prov. Limbourg, Beringen, Kolenhaven, 3.vi.2019 © Carina Van Steenwinkel

Peronospora myosotidis on Myosotis spec.

infected leaves

Peronospora myosotidis on Myosotis spec.

down

Peronospora myosotidis: conidiophore

conidiophore

Peronospora myosotidis: conidiophores

conidiophore, terminal branches

Peronospora myosotidis: conidium

conidium

gall

upperside of the leaf with pale spots, margin often down-folded. Underside with a brownish purple down of 1 mm high erect conidiophores that apically several times are dichotomously branching, each tip bearing a ± globular conidium.

host plants

Boraginaceae, oligophagous

Brunnera macrophylla; Myosotis arvensis, discolor, latifolia, laxa & subsp. caespitosa, nemorosa, ramosissima, scorpioides, sparsiflora, stricta, sylvatica.

references

Brandenburger (1985a: 521), Buhr (1964b), Dietrich (2016b), Doppelbaur & Doppelbaur (1973a), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Gjaerum (1980a), Henricot (2009a), Jage, Klenke, Kruse ao (2016a, 2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Melzer, Pittoni, Poelt & Scheuer (1984a), Müller (2015a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b), Riethmüller, Voglmayr, Göker ao (2002a), Săvulescu (1948a), Voglmayr (2003a).

Last modified 21.iv.2020