Puccinia phragmitis (Schumacher) Körnicke, 1876

on Rumex

Puccinia phragmitis galls

Rumex obtusifolius, Dronten; © Arnold Grosscurt

Puccinia phragmitis galls

aecia at the underside of the leaf

Puccinia phragmitis: aecium on Rumex acetosa

Rumex acetosa, Nieuwendam: aecium

Puccinia phragmitis: aeciospores

aeciospores

spermogonia, aecia

Polygonaceae, oligophagous

Rheum compactum, hybridum, officinale, palmatum, rhabarbarum, tataricum;
Rumex acetosa, acetosella, alpestris, alpinus, altissimus, aquaticus, britannicus, bucephalophorus, confertus, conglomeratus, cordifolius, crispusm x heterophyllus, hybridus, hydrolapathum, japonicus, longifolius, maritimus, mexicanus, obtusifolius, patientia, pseudonatronatus, sanguineus, thyrsiflorus.

Also indicated (not by Gäumann) as hostplant are Fallopia convolvulus; Persicaria bistorta, maculosa


on Phragmites

Puccinia phragmitis: uredinia on Phragmites australis

Phragmites australis, Amsterdam Noord, JH Vliegenbos: uredinia

Phragmites australis: uredinium

Phragmites australis, Nieuwendam: leaf spot with uredinium

Puccinia phragmitis: urediniospores

uredniospores with thick but uniform wall

Puccinia phragmitis: urediniospores

four equatorial pores (three visible, and in the lower spores not so perfectly equatorial)

Puccinia phragmitis: urediniospores

sculpture

Puccinia phragmitis: uredinia on Phragmites australis

Phragmites australis, Nieuwendam: the uredinia rupture the upper and lower epidermis equally; note the yellow stripes running towards the blade’s tip

Puccinia phragmitis: urediniospores

the urediniospores have an unusually thick wall and are coarsely verucose.

Puccinia phragmitis: urediniosporePuccinia phragmitis: urediniospore

the germination pores (recognisable as light spots) are equatorially positioned

Puccinia phragmitis: uredinia and telia

uredina and telia, golden brown and blackish brown, respectively

Puccinia phragmitis: teliospores

teliospores

Puccinia phragmitis: teliospore with its pedicel

they have a long pedicel

Puccinia phragmitis: teliospores on Phragmites australis

Phragmites australis, Belgium, prov. Antwerp, Balen, Scheps © Carina Van Steenwinkel

gall

Uredinia amphigenous, often in rows, rather large, powdery, brown, without paraphyses; spores with a thick wall (3-4 µm), 4 pores. Tela as the uredinia but up to 1 cm long; spores two-celled; pedicel up to 200 µm long, persistent.

uredinia, telia

Poaceae, oligophagous

Arundo donax; Phragmites australis.

synonyms

Puccinia trailii Plowright, 1889.

inquilines

Eudarluca caricis parasitises on the uredinia.

references

Brandenburger (1985a: 88, 90, 822), Buhr (1965a), Deckert & Deckert (2016a), Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Koops (2013a), Kozłowska, Mułenko & Heluta (2015a), Llorens i Villagrasa (1984a), Pellicier (2001a), Poelt & Zwetko (1991a, 1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2009a), Savchenko, Heluta, Wasser & Nevo (2014d), Săvulescu & Rayss (1935a), Scholler, Reinhard & Schubert (1996a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Unamuno (1941b), Vanderweyen & Fraiture (2011a), Woods, Stringer, Evans & Chater (2015a).

30/05/2017

pub 30.v.2017 · mod 12.viii.2017