Plasmopara chaerophylli (Caspary) Trotter, 1926

on Anthriscus, Chaerophyllum

Plasmopara chaerophylli on Chaerophyllum temulum

Chaerophyllum temulumm Hungary, Budapest, Hűvösvölgy, 20.iv.2018 © László Érsek

Plasmopara chaerophylli on Chaerophyllum temulum

infected leaf segments, underside

Plasmopara chaerophylli on Chaerophyllum temulum

detail

Plasmopara chaerophylli on Chaerophyllum temulum

hand-lense magnification

Plasmopara chaerophylli on Anthriscus sylvestris

Anthriscus sylvestris, Belgium, prov. Antwerp, Geel, Neerhelst, 27.v.2016 © Carina Van Steenwinkel

Plasmopara chaerophylli on Anthriscus sylvestris

hypophyllous down

Plasmopara chaerophylli on Anthriscus sylvestris

conidiophores (congo red staining)

Plasmopara chaerophylli: conidia

conidia

gall

upperside of the leaf locally yellowed and blistered; corresponding underside with a greyish-white fungal bloom, consisting of erect, branched conidiophores.

hostplants

Apiaceae, narrowly oligophagous

Anthriscus cerefolium, nitidus, sylvestris; Chaerophyllum aromaticum, aureum, bulbosum, temulum.

references

Brandenburger (1085a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller (2015a), Müller & Kokeš (2008a), Redfern & Shirley (2011a).

mod 4.xi.2019