Pseudoperonospora cannabina (Otth) Curzi, 1926

on Cannabis

gall

Upperside of the leaf with angular yellow, later brown spots; underside with a grijs down of 0.3 mm high erect conidiophores that apically several times are branching, each terminal branch ending in a conidium.

hostplants

Cannabaceae, monophagous

Cannabis sativa.

references

Brandenburger (1985a: 71), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Negrean & Anastasiu (2006a), Negrean, Constantinescu & Denchev (2004a).

mod 3.ix.2018