Peronospora pisi Sydow, 1923

on Pisum

gall

upperside of the leaf with yellow spots. Underside there with a brownish purple fungal down of erect conidiophores that apically several times are branching, each branch ending in an ovoid conidium.

hostplants

Fabaceae, monophagous

Pisum abyssinicum, sativum.

synonms

P. pisi is considered a synonym of P. viciae by the Index Fungorum (2016). The species is sometimes addressed as P. viciae f.sp. pisi in the literature.

references

Brandenburger (1985a: 312), Cunnington (2008a), Doppelbaur & Doppelbaur (1974a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a), Müller (2015a), Müller & Kokeš (2008a), Mułenko, Piątek, Wołczańska ao (2010a), Săvulescu (1948a), Stegmark (1994).

mod 1.ix.2018