Erysiphe convolvuli var. convolvuli de Candolle, 1815

on Calystegia, Convolvulus, Ipomoea

Erysiphe convolvuli var. convolvuli on Convolvulus arvensis

em>Convolvulus arvensis, Hungary, Budapest, 23.ix.2019 © László Érsek

Erysiphe convolvuli var. convolvuli: cleistothecia

young cleistothecia in different stages

Erysiphe convolvuli var. convolvuli: cleistothecia

detail

gall

mycelium amphigenous, mostly persistent. Appressoria lobed, mostly single. Conidia solitary, oblong-elliptic, without fibrosin bodies. Cleistothecia contain 3-10 asci with 3-4 spores. Appendages numerous, sub-equatorial, most 0.5-5 x the diameter; they are mycelioid, septate, mostly one or two times irregularly branched.

host plants

Convolulaceae, oligophagous

Calystegia hederacea, pellita, pulchra, soldanella; Convolvulus althaeoides, arvensis, fruticosus, lineatus, pilosellifolius, pseudocantabricus, subhirsutus, tricolor; Ipomoea obata, nil, purpurea, sagittata.

references

Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Czerniawska, Madej, Adamska ao (2000a), Dynowska, Fiedorowicz & Kubiak (1999a), Hafellner (1980a), Heluta, Hayova, Tykhonenko ao (2010a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Losa Quintana (1972b), Özaslan, Hüseyin & Erdogdu (2014a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a), Sucharzewska, Dynowska, Kubiak ao (2012b).

mod 1.xi.2019