Ophiognomonia leptostyla (Fries) Sogonov, 2008

walnut anthracnose

on Juglans

Ophiognomonia leptostyla on Juglans regia

Juglans regia, Belgium, prov. Flemish Brabant, Houwaart © Carina Van Steenwinkel

Ophiognomonia leptostyla on Juglans regia

infect leaf, upperside

Ophiognomonia leptostyla on Juglans regia

underside

Ophiognomonia leptostyla acervuli on Juglans regia

detail; the acervuli generally are arranged in circles

Ophiognomonia leptostyla acervuli on Juglans regia

acervuli

Ophiognomonia leptostyla: conidia

conidia

parasite

The telomorph develops in the fallen foliage. Here globular perithecia are formed with a charactic long and thread-thin neck.

hostplants

Juglandaceae, monophagous

Juglans regia.

synonyms

Gnomonia leptostyla (Fries) Cesati & De Notaris, 1863; Marssonia juglandis (Libert) Saccardo, 1880; Neomarssoniella juglandis (Libert) Braun, 1991.

references

Brandenburger (1985a: 35), Ellis & Ellis (1997a), Roldan Garrigós & Honrubia García (1992a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a), Unamuno (1941a, 1942a).

mod 30.x.2017