Erysiphe pseudoacaciae (Marchenko) Braun & Takamitsu, 2000

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

on Colutea, Robinia

Erysiphe pseudoacaciae on Robinia pseudoacacia

Robinia pseudoacacia, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel

Erysiphe pseudoacaciae on Robinia pseudoacacia

upon heavy infestation the long flaccid appandages stick together and form a felt-like mass

Erysiphe pseudoacaciae on Robinia pseudoacacia: cleistothecium

cleistothecium

Erysiphe pseudoacaciae on Robinia pseudoacacia: asci

asci

Erysiphe pseudoacaciae on Robinia pseudoacacia: tip of appendages

tip of the appendages

gall

mycelium amphigenous. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 3-6 asci, containing 4-5 spores. Appendages 5-10, inserted on the equator, generally 4-12 x the diameter; they are 0-1 septate, flaccid, brown at most at base; the tips are mostly several times irregularly branched, not flattened.

hostplants

Fabaceae, oligophagous

Colutea arborescens; Robinia pseudoacacia.

synonyms

Microsphaera pseudoacaciae (Marchenko) Braun, 1981.

references

Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a), Negrean & Anastasiu (2006a).

11/12/2016

pub 5.iii.2017 · mod 17.vii.2017