Peronospora dianthicola Heim, 1946

on Dianthus

gall

upper side of the leaf with pale spots. Underside there with a greyish purple down of erect conidiophores that apically several times are branching, each branch ending in an egg-shaped conidium.

hostplants

Caryophyllaceae, monophagous

Dianthus caryophyllus, chinensis.

references

Ben-Ze’ev, Elkind & Levy (2006a), Brandenburger (1985a: 106), Klenke & Scholler (2015a), Müller (2015a).

mod 22.viii.2017