Puccinia cichorii (de Candolle) Bellynck, 1867

on Cichorium

Puccinia cichorii: uredinia on Cichorium endivia

Cichorium endivia, Zwolle, 12.vi.2017 © Arnold Grosscurt

Puccinia cichorii: uredinia on Cichorium endivia

infected leaf, upper side, with dispersed uredinia

Puccinia cichorii: uredinia on Cichorium endivia

same leaf, underside; here also uredinia, although less numerous

Puccinia cichorii: urediniospores

urediniospores

Puccinia cichorii: urediniospores

urediniospores spinulose

Puccinia cichorii: urediniospores

urediniosporen with two subapical germination pores

Puccinia cichorii: urediniospore

urediniospore wirth germination pore

Puccinia cichorii: spores

Cichorium intybus, from González Fragoso (1924a): urediniospores and teliospores

gall

No host plant alternation; aecia are missing. Uredinia and telia amphigenous, telia also on the stem, pulverulent, dark brown and black, respectively. Urediniospores 18-22 x 21-30 µm, spinulose, with 2 germination pores in the top half of the spore, each surrounded by a spineless area. Teliospores 18-26 x 27-40 µm, elliptic, 2-celled, verruculose; the spores fall off.

hostplants

Asteraceae, monophagous

Cichhorium endivia, intybus, pumilum.

synonyms

Puccinia endiviae Passerini, 1873.

P. cichorii is often taken as a variety of P. hieracii.

references

Brandenburger (1985a), Gäumann (1959a), González Fragoso (1924a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse & Jage (2014a), Ludwig (1974a), Melzer, Pittoni, Poelt & Scheuer (1984a), Termorshuizen & Swertz (2011a), Tóth (1994a), Unamuno (1942a).

mod 15.viii.2018