Passalora dubia (Riess) Braun, 1995
on Atriplex, Chenopodium
Chenopodium album, Belgium, prov. Limbourg, Beringen, 7.vii.2018 © Carina Van Steenwinkel (nb: the pinkish spot in the centre of the lefttmost leaf did not bear colonies and might belong to a different species.)
same leaves, undersides
bundle conidiophores
bundle conidiophores
conidia
conidia
parasite
Conidiophores in bundles, ± 60-70 µm long; conidia 5-6 X 27-32, mostly 2-4-septate, sometimes constricted at the seta.
host plants
Amaranthaceae, oligophagous
Atriplex calotheca, littoralis, oblongifolia, patula, prostrata, sagittata; Chenopodium album, bonus-henricus, album.
synonyms
Cercospora chenopodii Fresenus, 1863; C. dubia (Riess) Winter, 1883.
references
Bakhshi, Arzanlou, Babai-ahari ao (2015a), Brandenburger (1985a: 120), Ellis & Ellis (1997a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer (2013a), Klenke & Scholler (2015a), Kruse (2014a, 2018a), Ludwig (1974a), Poelt & Fritz-Schroeder (1983a), Roldan Garrigos & Honrubia García (1992a), Ruszkiewicz-Michalska (2006a), Świderska-Burek (2007a, 2015a), Unamuno (1943a).