Puccinia helianthi Schweinitz, 1822

on Helianthus, Iva, Xanthium

Puccinia helianthi on Helianthus annuus

Helianthus annuus, Hungary, Mosonmagyaróvár, 12.viii.2018 © László Érsek

Puccinia helianthi on Helianthus annuus

underside of an infected leaf

Puccinia helianthi: uredinia

uredinia

Puccinia helianthi: uredinium

a single uredinium

Puccinia helianthi: telia

telia

Puccinia helianthi: telium

a single telium

Puccinia helianthi: telium & uredinium

Helianthus annuus, Nieuwendam: uredinium and telium

Puccinia helianthi: urediniospore

urediniospore

Puccinia helianthi: teliospore

teliospore

gall

No host plant alternation. Aecia, uredinia and telia mostly hypophyllous. Aecia cupulate. Uredinia light brown, telia dark brown. Urediniospores with 2 germination pores. Teliospores two-celled on a persistent pedicel of up to 120 µm.

hostplants

Asteraceae, narrowly oligophagous

Helianthus annuus, debilis subsp. cucumerifolius, tuberosus; Iva xanthifolia; Xanthium strumarium.

synonyms

Puccinia xanthifoliae Ellis & Everhart, 1891 (Baxter, Tykhonenko ao).

references

Baxter (1958a), Beenken & Senn-Irlet (2016a), Brandenburger (1985a), Buhr (1965a), Doppelbaur & Doppelbaur (1968a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Maier, Wingfield, Mennicken & Wingfield (2007a), Negrean & Anastasiu (2006a), Poelt & Zwetko (1991a, 1997a), Savchenko, Heluta, Wasser & Nevo (2014d), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Tykhonenko, Aime, Wilson & Korytnianska (2013a), Vanderweyen & Fraiture (2011a), Yohem, Cummins & Gilbertson (1985a).

mod 10.ix.2018