Septocyta ruborum (Libert) Petrak, 1968

purple blotch of blackberry

on Rubus

Rubus fruticosus, België, prov. Antwerpen, Mol, Molse Nete, 3.iii.2020 © Carina Van Steenwinkel

infected part of a stem

conidiodomata

opened conidiodomata

conidia

conidia

parasite

On purplish discoloured parts of the stem develop 0,3 mm large black sunken conidiodomata that open in early spring; conidia 1.5-2 x (17)20-30(32) µm, 0-3-septate.

host plants

Rosaceae, monophagous

Rubus fruticosus, laciniatus, nessensis.

distribution within Europe

(PESI, 2020).

references

Brandenburger (1985a: 242), Ellis & Ellis (1997a), Kövics (1997a).