Deightoniella arundinacea (Corda) Hughes, 1952
on Phragmites

Phragmites australis, Belgium, prov. Flemish Brabant, Rotselaar, de Gevel, 18.vi.2019 © Carina Van Steenwinkel

underside of an infected leaf

conidiophores

conidiophore with conidium

conidium

Phragmites australis, Nieuwendam

heavily infested plant

The masses of conidiophores form a sooty black brown felt at the underside of living leaves.

the conidiophores stand an a dark, globular basal cell (at right)


conidia
hostplants
Poaceae, monophagous
Phragmites australis.
notes
The fungus is systemic; infected plants are retarded in their development.
references
Bahçecioğlu & Kabaktepe (2009a), Constantinescu (1983a), Ellis & Ellis (1997a), Gönczö & Révay (1981a), Jage, Kruse, Kummer ao (2013a) .
mod 22.vi.2019