Peronospora meliloti Sydow, 1923

on Melilotus

Peronospora meliloti on Melilotus albus

Mlilotus albus, Belgium, prov. Antwerp, Mol, Heidenhuizen © Carina Van Steenwinkel

Peronospora meliloti on Melilotus albus

infected leaf, underside

Peronospora meliloti: conidiophore

tip of the conidiophore (congo-red staining)

Peronospora meliloti on Melilotus albus

Melilotus albus, Nieuwendam

Peronospora meliloti: conidiophore

conidiophore (detail)

Peronospora meliloti: conidiophore, crown

Melilotus spec., Flevoland, Reve-Abbertbos, leg Hans Jonkman

Peronospora meliloti: conidiophore stem

first bifurcations of the stem of the conidiophore

gall

at the underside of the leaf spots a brownish purple down consisting of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.

hostplants

Fabceae, monophagous

Melilotus albus, altissimus, dentatus, indicus, officinalis, segetalis, sulcatus.

references

Brandenburger (1985a: 304), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), García-Blázquez, Göker Voglmayr, Martín ao (2008a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2016a), Klenke & Scholler (2015a), Kruse (2014a), Müller (2015a), Müller & Kokeš (2008a), Ruszkiewicz-Michalska (2006a), Săvulescu (1948a), Scheuer & Bechter (2012a), Thines, Telle, Ploch & Runge (2009b), Voglmayr (2003a).

21/05/2017

pub 21.v.2017 · mod 13.viii.2017