Ustilago echinata Schröter, 1869

on Phalaris

Ustilago echinata on Phalaroides arundinacea

Phalaroides arundinacea, Belgium, prov. Limburg, Lummen, Laren © Carina Van Steenwinkel

Ustilago echinata: spores

spores

gall

Long, narrow parallel brown striae on the leaves (mainly the youngest) and leaf sheaths. Here masses of brownish black spores are formed. The infection is systemic and causes considerable distortions. Spores 10-16 x 12-18 µm, with a reticulate-echinulate surface.

hostplants

Poaceae, oligophagous

Phalaroides arundinacea; Scolochloa.

references

Buhr (1965a), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Spooner & Legon (2006a), Vánky (1994a).

31/12/2016

pub 22.iii.2017 · mod 15.vii.2017