Ampelomyces quisqualis Cesati, 1852

on powdery mildews, Erysiphaceae

Ampelomyces quisqualis on Podosphaera macrospora and Tellina grandifolia

Tellina grandifolia with Podosphaera macrospora, België, prov. Antwerpen© Carina Van Steenwinkel: the white mycelium has been discoloured by the infection

Ampelomyces quisqualis: sporangia

massive infection

Ampelomyces quisqualis

some sporangia

Ampelomyces quisqualis: infected hyphae and conidiophore

infected hyphae and conidiophore

Ampelomyces quisqualis

Berberis aquifolium, Nieuwendam, parasitising on Erysiphe berberidis

Ampelomyces quisqualis

conidia are discharged

Ampelomyces quisqualis

the infestation was so strong that also here the mycelium had got a brownish hue.

Ampelomyces quisqualis on Golovinomyces cynoglossi

Symphytum officinale, Nieuwendam, parasitising on Golovinomyces cynoglossi

Ampelomyces quisqualis on Golovinomyces cynoglossi

detail

Ampelomyces quisqualis on Neoerysiphe galeopsidis

Lamium galeobdolon, Belgium, prov. Limburg, Beverlo, Vallei van de Grote Beek © Carina Van Steenwinkel; parasitising on Neoerysiphe galeopsidis (congo-red staining)

gall

septate hyphae develop inside the hyphae, conidiophores and conidia of the host fungus. Here also more of less fusiform pycnidia are formed that contain elliptic, c.4 µm long conidia.

synonyms

Cicinobolus cesatii de Bary, 1870 (often misspelled as “Cicinnobolus”).

notes

parasitises on all kind of powdery mildews. Is applied in the biological control, like that of Erysiphe necator.

references

Angeli, Pellegrini & Pertot (2009a), Bacigálová & Marková (2006a), Blumer (1946a), Braun & Cook (2012a), Buhr (1965a), Czerniawska, Madej, Adamska ao (2000a), Clare (1964a), Doppelbauer & Doppelbauer (1973a), Jage, Klenke, Kruse ao (2016a), Kiss, Russsell, Szentiványi ao (2004a), Kozłowska, Mułenko & Heluta (2015a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996a,b), Nischwitz, Newcombe & Anderson (2005a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a), Scholler & Schubert (1993a), Sucharzewska, Dynowska, Ejdys ao (2012a), Sucharzewska, Dynowska, Kubiak ao (2012b), Sucharzewska, Dynowska & Kempa (2011a), Tollenaere, Pernechele, Mäkinen ao (2014a).

19/02/2017

pub 28.v.2017 · mod 13.viii.2017