Miyagia pseudosphaeria (Montagne) Jørstad, 1962

Fungi, Basidiomycota, Pucciniomycetes, Pucciniales, Pucciniaceae

op Sonchus

on Sonchus

Sonchus arvensis, Nieuwendam: (oude) uredinia en telia, bladonderzijde

Sonchus arvensis, Nieuwendam: (old) uredinia and telia, hypophyllous

oud uredinium, omgeven door een kring van telia

Miyagia pseudosphaeria: old uredium surrounded by telia

old uredinium, surrounded by a ring of telia

het uredinium is omgeven door een krans paarsbruine paraphysen

Miyagia pseudosphaeria: uredinium encircled by paraphyses

the uredinium is encircled by a row of purplish brown paraphyses

detail van de paraphysen

Miyagia pseudosphaeria: paraphyses around the uredinium

detail of the paraphyses

urediniosporen

Miyagia pseudosphaeria: living urediniospore Miyagia pseudosphaeria: empty urediniospore

urediniospores

de telia blijven bedekt door de epidermis

Miyagia pseudosphaeria: telium, detail

the telia remain covered by the epidermis

teliosporen

Miyagia pseudosphaeria: teliosporen

teliospores

de teliosporen zijn opvallend hoekig

Miyagia pseudosphaeria: teliospore Miyagia pseudosphaeria: teliospore

the teliospores are unusually angular

Sonchus palustris, Amsterdam-West, Lange Bretten

Miyagia pseudosphaeria on Sonchus palustris

Sonchus palustris, Amsterdam-West, Lange Bretten

onderzijde, met uredinia (bladen met telia waren ouder, en hadden een ziekelijker aanzien)

Miyagia pseudosphaeria on Sonchus palustris

underside, with uredinia (leaves with telia were ouder and looked diseased)

gal: geen gneraratiewosseling, alleen uredinia en telia. Ook de telia zijn omringd, en soms gecompartimenteerd, door rijen paraphysen. Minder vaak dan eencellig komen ook tweecellige teliosporen voor.

gall: no host alternstion; only uredinia and telia. Also the telia are surrounded, and sometimes compartimentalised, by rows of paraphyses. Less often than one-celled teliospores also two-celled ones do occur.

waardplanten: Asteraceae, monofaag

hostplants: Asteraceae, monophagous

Sonchus acaulis, arvensis & subsp. uliginosus, asper & subsp. glaucescens, brachylobus, congestus, hierrensis, leptocephalus, maritimus, mauritancus, oleraceus, palmensis, palustris, radicatus, tenerrimus.

synoniemen: Peristemma pseudosphaeria (Montagne, 1840) Jørstad, 1956; Puccinia pseudosphaeria Montagne, 1840; Puccinia sonchi Roberge, 1849.

synonyms: Peristemma pseudosphaeria (Montagne, 1840) Jørstad, 1956; Puccinia pseudosphaeria Montagne, 1840; Puccinia sonchi Roberge, 1849.

literatuur:

references:

Brandenburger (1972a, 1985a: 694), Buhr (1965a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1976a, 1987a), Gjaerum & Dennis (1976a)m González Fragoso (1924a), Henderson (2000a, 2004a), Klenke & Scholler (2015a), Kruse & Jage (2014a), Losa España (1942a), Maier, Wingfield, Mennicken & Wingfield (2007a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Roldan Garrigós & Honrubia García (1992a), Savchenko, Heluta, Wasser & Nevo (2014c), Spooner & Butterfill (1999a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Zwetko & Poelt (1989a), Woods, Stringer, Evans & Chater (2015a).

28/05/2017