Cercospora resedae Fuckel, 1866

on Reseda

Cercospora resedae leaf spots on Reseda luteola

Reseda luteola, Belgium, prov. Limbourg, Laambeekvallei © Carina Van Steenwinkel

Cercospora resedae leaf spots on Reseda luteola

detail

Cercospora resedae leaf spots on Reseda luteola

detail of the underside

Cercospora resedae: caespituli

with the stereo microscope the colonies (“caespituli”) are well recognisable

Cercospora resedae: caespitulus

colony of conidiophores

Cercospora resedae: caespitulus

another image

Cercospora resedae: conidia

conidia

parasite

Conidia ± 4 x 25-100 µm with 1-8 indistinct septa.

host plants

Resedaceae, monophagous

Reseda luteola, odorata.

distribution within Europe

(PESI, 2018).

references

Brandenburger (1985a: 210), Ellis & Ellis (1997a), Groenewald, Nakashima, Nishikawa ao (2013a), Świderska-Burek (2015a), Unamuno (1943a).

mod 5.vi.2018