Peronospora polygoni-convolvuli Gustavsson, 1959

on Fallopia

gall

underside of the leaves with a rather dense greyish-violet down, consisting of erect conidiophores that apically are strongly branched, each branch ending upon a conidium.

hostplants

Polygonaceae, monophagous

Fallopia baldschuanica, convolvulus, dumetorum.

references

Brandenburger (1985a: 81), Doppelbaur & Doppelbaur (1973a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Gustavsson (1959a, 1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Müller (2015a), Müller & Kokeš (2008a), Negrean (1996b).

mod 1.ix.2018