Peronospora variabilis Gäumann, 1919

on Amaranthaceae

Peronospora variabilis on Chenopodium album

Chenopodium album Dronten © Arnold Grosscurt

Peronospora variabilis on Chenopodium album

Chenopodium album, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel

Peronospora variabilis on Chenopodium album

same leaf, underside

Peronospora variabilis: conidiophores

conidiophores

Peronospora variabilis: conidium

conidium

gall

underside of the leaves with a greyish purple fungal down consisting of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon an elliptic conidium.

hostplants

Amaranthaceae, monophagous

Chenopodium album, murale, quinoa, stricum, suecicum.

synonyms

Taken by Klenke & Scholler as a synonym of P. chenopodii.

references

Baiswa, Chandra, Kumar ao (2010a), Belbahri, Calmin, Pawlowski & Lefort (2005a), Choi, Constantinescu & Shin (2007a), Choi, Denchev & Shin (2008a), Göker, García-Blázquez, Voglmayr ao (2009a), Göker, Voglmayr, Riethmüller ao (2003a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller (2015a), Riethmüller, Voglmayr, Göker ao (2002a), Săvulescu (1948a), Scheuer & Bechter (2012a), Thines, Telle, Ploch & Runge (2009b), Unamuno (1941a, 1942a).

mod 2.ix.2018