Erysiphe betae (Vaňha) Weltzien, 1963

on Amaranthaceae

gall

mycelium amphigenous, ± persistent. Appressoria lobed, single or paired. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 3-8 asci, that contain 3-5 spores. Appendages numerous, sub-equatorial, 0.5-1.5 x the diameter; they are mycelioid, septate, basally ± brown, branched or not, sometimes even coralloid.

hostplants

Amaranthaceae, monophagous

Beta corolliflora, trigyna, vulgaris & subsp. maritima; Dysphania ambrosiodes, botrys; Patellifolia procumbens; Spinacia oleracea.

references

Brandenburger (1985a: 118), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (1995a), Mułenko, Piątek, Wołczańska ao (2010a), Negrean & Denchev (2000a), Özaslan, Hüseyin & Erdogdu (2014a).

mod 25.viii.2018