Erysiphe catalpae Simonyan, 1984

on Catalpa

gall

mycelium amphigenous, persistent, in subcircular patches, ultimately covering the entire leaf. Conidia solitary, elliptic, without fibrosin bodies. Foot-cell of conidiophore generally straight. Cleistothecia rarely formed, with 3-8 asci, that contain 3-5 spores. Appendages 4-19, sub-equatorial, 0.5-2 x the diameter; they are mycelioid, septate, brown, sometimes irregularly branched.

hostplants

Bignoniaceeae, monophagous

Catalpa bignonioides, japonica, ovata, speciosa.

references

Ale-Agha, Bolay, Braun ao (2004a), Braun (1995a), Braun & Cook (2012a), Heluta, Dzyunenko, Cook & Isikov (2009a), Henricot (2009a), Klenke & Scholler (2015a), Leysen (2013a), Mułenko, Piątek, Wołczańska ao (2010a), Negrean & Anastasiu (2006a).

mod 19.v.2018