Plant Parasites of Europe

leafminers, galls and fungi

Puccinia holcina

Puccinia holcina Eriksson, 1899

on Holcus

gall

Host alternation not known, only uredinia and telia. Uredinia yellowish brown, in groups, mainly epiphyllous; spores ± globular, 15-20 x 18 x 24 µm, with probably 7-9 inconspicuous germination pores. Telia small, blackish brown, covered by the epidermis, in rows on the leaf sheaths; they contain brown paraphyses. Teliospores two-celled (but one-celled spores are not rare), clavate, 15-28 x 32-56 µm; wall smooth, thin (only apically a bit thicker); pedicel short.

hostplants

Poaceae, monophagous

Holcus annuus & subsp. setiglumis, lanatus, mollis & subsp. reuteri.

synonyms

often considered conspecific with P. hordei.

references

Alaei, De Backer, Nuytinck, Maes, Höfte & Heungens (2009a), Brandenburger (1985a), Doppelbaur & Doppelbaur (1973a), Gäumann (1959a), González Fragoso (1924a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Liu, Szabob, Hambleton, Anikster & Kolmer (2013a), Scholler, Reinhard & Schubert (1996a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a).

10/04/2017

Last modified 16.vii.2017