Podosphaera amelanchieris Maurizio, 1927
onAmelanchier
Amelanchier lamarckii, Belgium, prov. Limburg, Lummen, Lange Beemden © Carina Van Steenwinkel
Amelanchier lamarckii, Belgium, prov. Antwerp, Oelegem, Vrieselhof © Carina Van Steenwinkel: conidiophore
cleistothecia
appendages
ascus
Amelanchier lamarckii, Bergen NH, Oude Hof: cleistothecia
appendages of the cleistothecia
terminal section
Amelanchier lamarckii, boswachterij Nunspeet © Hans Jonkman
peridium
ascus
ascus, detail
gall
mycelium amphigenous, also in the shoots. Conidia in chains, short-elliptic, with fibrosin bodies. Cleistothecium with one, eight-spored ascus. Appendages equatorial, 1-4 x the diameter; they are brown, stiff, with the tip generally 3-4 times dichotomously branched.
host plants
Rosaceae, monophagous
Amelanchier alnifolia, laevis, lamarckii, ovalis, spicata.
notes
Originally a Nearctic species.
references
Beenken & Senn-Irlet (2016a), Braun & Cook (2012a), Bresinsky (2016a), Heluta & Hirylovich (2016a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a, 2019a).