Peronospora rapistri Jaczewski & Sergeeva, 1931

on Rapistrum

gall

underside of the leaves with a thin white down of erect conidiophores that apically several times are dichotomously branching, each branch ending upon an egg-shaped conidium.

hostplants

Brassicaceae, monophagous

Rapistrum perenne, rugosum.

references

Brandenburger (1985a: 206), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Săvulescu (1948a).

mod 31.viii.2018