Deightoniella arundinacea (Corda) Hughes, 1952

on Phragmites

Deightoniella arundinacea on Phragmites australis

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

Deightoniella arundinacea on Phragmites australis

underside of an infected leaf

Deightoniella arundinacea: conidiophores

conidiophores

Deightoniella arundinacea: conidiophore with conidium

conidiophore with conidium

Deightoniella arundinacea: conidiophore & conidium

conidium

Deightoniella arundinacea on Phragmites australis

Phragmites australis, Nieuwendam

Deightoniella arundinacea on Phragmites australis

heavily infested plant

Deightoniella arundinacea: conidiophores

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

Deightoniella arundinacea: conidiophore

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

Deightoniella arundinacea: conidiumDeightoniella arundinacea: conidium

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