Erysiphe russellii (Clinton) Braun & Takamatsu, 2000

on Averrhoa, Oxalis

gall

mycelium amphigenous, sometimes also in the inflorescence. Appressoria more or less lobed, single or paired. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 4-10 asci, that contain 3-5 spores. Appendage 5-15, attached to the equator, 2-7 times the diameter; they are septate, brown, flexuous, near the tip 1-4 x times loosely dichotomously branched.

hostplants

Oxalidaceae, oligophagous

Averrhoa carambola; Oxalis corniculata, dillenii, fontana, rosea, stricta.

synonyms

Microsphaera russellii Clinton, 1874.

references

Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (1995a), Kozłowska, Mułenko & Heluta (2015a), Negrean & Anastasiu (2006a), Ruszkiewicz-Michalska (2006a).

mod 25.viii.2018