Golovinomyces sonchicola Braun & Cook, 2009

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

op Sonchus

on Sonchus

Sonchus oleraceus, Nieuwendam

Golovinomyces sonchicola on Sonchus oleracea

Sonchus oleraceus, Nieuwendam

hyphen met appressoria

Golovinomyces sonchicola: appresorium Golovinomyces sonchicola: appresorium

hyphae with appressoria

conidia

Golovinomyces sonchicola: conidia

conidia

conidia-keten

Golovinomyces sonchicola

conidia chain

kiemende conidia

Golovinomyces sonchicola

germinating conidia

gal: beiderzijdig wit overtrekt. Appressoria tepelvormig of onduidelijk gelobd. Conidia ovaal, zonder fibrosine-lichaampjes. Cleistothecia 80-130 µm, met 6-15 asci, elk met 2 sporen. Aanhangsels talrijk, op en onder de equator, 0.3-3 x de diameter; ze zijn mycelioid, weinig vertakt, gesepteerd, bruin.

gall: amphigenous white fungal bloom. Appressoria nipple-shaped or indistinctly lobed. Conidia oval, without fibrosin bodies. Cleistothecia 80-130 µm, containing 6-15 asci, each with 2 spores. Appendages numerous, on and below the equator, 0.3 - 3 x diameter; they are mycelioid, rarely branched, septate, brown.

waardplanten: Asteraceae, monofaag

hostplants: Asteraceae, monofaag

Sonchus arvensis & subsp. uliginosus, asper & subsp. glaucescens, congestus, maritimus, oleraceus, palustris, tenerrimus.

literatuur:

references:

Braun & Cook (2012), Bresinsky (2016a), Jage, Kruse, Kummer, Caspari, Regin & Schmitt (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Kruse & Jage (2014a), Scholler, Reinhard & Schubert (1996a [Erysiphe cichoracearum on Sonchus]).

19/04/2017