Podosphaera amelanchieris Maurizio, 1927

onAmelanchier

Podosphaera amelanchieris on Amelanchier lamarckii

Amelanchier lamarckii, Belgium, prov. Limburg, Lummen, Lange Beemden © Carina Van Steenwinkel

Podosphaera amelanchieris: conidiophore

Amelanchier lamarckii, Belgium, prov. Antwerp, Oelegem, Vrieselhof © Carina Van Steenwinkel: conidiophore

Podosphaera amelanchieris: cleistothecia

cleistothecia

Podosphaera amelanchieris: appendages

appendages

Podosphaera amelanchieris: ascus

ascus

Podosphaera amelanchieris: cleistothecia on Amelanchier lamarckii

Amelanchier lamarckii, Bergen NH, Oude Hof: cleistothecia

Podosphaera amelanchieris: cleistothecia, appendages

appendages of the cleistothecia

Podosphaera amelanchieris: cleistothecia, appendages

terminal section

Podosphaera amelanchieris on Amelanchier lamarckii

Amelanchier lamarckii, boswachterij Nunspeet © Hans Jonkman

Podosphaera amelanchieris

peridium

Podosphaera amelanchieris

ascus

Podosphaera amelanchieris

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.

hostplants

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).

19/04/2017

pub 25.v.2017 · mod 13.viii.2017