Phyllactinia corni Shin & Park, 2012

onCornus

Phyllactinia corni: cleistothecium on Cornus mas

Cornus mas, Nieuwendam: cleistothecium

Phyllactinia corni: cleistothecium

microscopical image

Phyllactinia corni: appendage

base of an appendage

Phyllactinia corni: penicillate cells

on top of the cleistothecium lies a cap of cells with long filaments

gall

mycelium hypophyllous, weak, effuse (also internal). Conidia single, clavate, without fibrosin bodies, on a long conidiophore. Cleistothecia hypophyllous, with 10-20 asci, containing 2 spores. About 5-15 appendages in an equatorial circle; they are acicular, 1-2 x the diameter, rather deeply forked, abruptly and strongly swollen at their base.

hostplants

Cornaceae, monophagous

Cornus alba, mas, sanguinea & subsp. australis, sericea.

references

Bacigálová & Marková (2006a), Bacigálová, Tóth & Brindza (2005a), Braun & Cook (2012a), Bresinsky (2016a), Klenke & Scholler (2015a), Leysen (2013a).

mod 6.vi.2018