Urocystis gladiolicola Ainsworth, 1950

on Crocus, Gladiolus

gall

up to several cm long, greyish brown, blister-like striae on the leaves, stems and bulb scales. Upon rupturing, a powdery, blackish brown mass of spore balls is released. The spore balls consist of 1-2(3) spores, completely invested by an irregular layer of steriele cells. The fungus is systemic, and hibernates in the underground parts of the plant.

hostplants

Iridaceae, oligophagous

Crocus; Gladiolus imbricatus, italicus, palustris.

also on cultivated forms.

references

Ainsworth & Sampson (1950a),Buhr (1964b), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Redfern & Shirley (2011a), Savchenko & Heluta (2012a), Tomasi (2014a), Vánky (1994a), Vánky & Abbasi (2013a).

mod 27.vii.2018