Plant Parasites of Europe

leafminers, galls and fungi

Pustula obtusata

Pustula obtusata (Link) Rost, 2011

on Asteraceae

Pustula obtusata on Tragopogon spec.

Tragopogon spec., Belgium, prov. Flemish Brabant, Diest, Halve Maan, 18.v.2019 © Carina Van Steenwinkel

transverse section

conidia formation

conidia

Pustula obtusata on Tragopogon spec.

Tragopogon spec., Brummen © Arnold Grosscurt

Pustula obtusata on Tragopogon pratensis

Tragopogon pratensis, France, dép. Nord, Dunkerque © Sébastien Carbonnelle

Pustula obtusata on Senecio vulgaris

Senecio vulgaris, Beuningen ov

Pustula obtusata on Senecio vulgaris

detail, underside

Pustula obtusata: conidia

conidia

Pustula obtusata oospores

conidia and oospores; derived from Unamuno (1942a)

gall

hypophyllous dull white spots, pustules, even crusts, largely consisting of a mass of conidia. Embedded in the host tissue brown verrucose oospores.

host plants

Asteraceae, oligophagous

Achillea filipendulina, ptarmica; Alfredia cernua; Ambrosia artemisiifolia; Aposeris foetida; Artemisia absinthium, vulgaris; Chamaemelum nobile; Cirsium oleraceum; Crepis sancta; Crupina vulgaris; Dittrichia viscosa; Filago germanica, minima; Gerbera jamesonii; Gnaphalium uliginosum; Helichrysum arenarium; Hieracium; Hypochaeris maculata; Inula britannica, conyzae, hirta, oculus-christi, salicina, spiraeifolia; Jacobaea vulgaris; Laphangium luteo-album; Lapsana communis; Leontodon hispidus, saxatilis; Matricaria chamomilla, discoidea; Pericallis hybrida; Phagnalon saxatile; Picris; Pilosella; Podospermum canum, laciniatum; Scorzonera austriaca, hispanica, humilis, parviflora; Scorzoneroides autumnalis, helvetica; Senecio doronicum, inaequidens, leucanthemifolius subsp. vernalis, squalidus, vulgaris; Serratula tinctoria; Sonchus; Tanacetum partheniifolium, parthenium; Tragogpogon crocifolius, dubius, lamottei, porrifolius & subsp. longirostris, pratensis & subsp. orientalis; Xeranthemum cylindraceum.

synonyms

Albugo tragopogonis (Persoon) Gray, 1821; Pustula tragopogonis (Persoon) Thines, 2005; Cystopus tragopogonis (Persoon) Schröter, 1886. See also Pustula helianthicola.

references

Blumer (1946a), Buhr (1965a), García-Blázquez, Constantinescu, Tellería Martín (2007a), Jage, Klenke, Kruse ao (2016a, 2017a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Losa España (1942a), Ludwig (1974a), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez ao (2010a), Melzer, Pittoni, Poelt & Scheuer (1984a), Müller (2015a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Negrean, Constantinescu & Denchev (2004a), Redfern & Shirley (2011a), Riethmüller, Voglmayr, Göker, Weiß & Oberwinkler (2002a), Roskam (2009a), Rost & Thines (2011a), Thines & Spring (2005a), Unamuno (941a, 1942a), Voglmayr & Riethmüller (2006a), Vrandečić ao (2011a).

Last modified 5.ix.2019