Plant Parasites of Europe

leafminers, galls and fungi

Diplocarpon rosae

Diplocarpon rosae Wolf, 1912

on Rosa

Diplocarpon rosae on Rosa spec.

Rosa spec., Hungary, Mosonmagyaróvár, 22.vii.2019 © László Érsek

Diplocarpon rosae on Rosa spec.

detail

Diplocarpon rosae on Rosa spec.

strongly infected leaf

Diplocarpon rosae on Rosa spec.

also on the branches

Diplocarpon rosae on Rosa spec.

Rosa spec., Hungary, Budapest, Bikás park, 8.iii.2020 © László Érsek: leaf spot with acervuli

Diplocarpon rosae on Rosa spec.

Rosa spec., Belgium, prov. Limbourg, Heusden-Zolder, Terril Lindeman, 29.vii.2017 © Carina Van Steenwinkel

Diplocarpon rosae on Rosa spec.

a single leaf

Diplocarpon rosae: conidia

conidia

Diplocarpon rosae: conidia

conidia

Diplocarpon rosae on Rosa spec.

Rosa spec., Nieuwendam

Diplocarpon rosae on Rosa spec.

same leaf, underside

Diplocarpon rosae: conidia

conidia

gall

brownish black epiphyllous leaf spots. Under damp conditions masses of conidia are squeezed out of upperside acervuli. Well-known disease of ornamental roses: “black spot disease.”

hostplants

Rosaceae, monophagous

Rosa canina, pendulina, villosa.

synonyms

Marssonina rosae (Libert) Diedicke, 1915.

references

Blumer (1946a), Ellis & Ellis (1997a), Kozłowska, Mułenko & Heluta (2015a), Ludwig (1974a), Moret i Benaset & Nadal i Puigdefabregas (1984a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a).

Last modified 29.iii.2022