Hyaloperonospora isatidis (Gäumann) Göker, Riethmüller, Voglmayr, Weiß & Oberwinkler, 2004
on Isatis
gall
The entire plant is disfigured. Upperside of the leaves locally bleached and galled; at the corresponding underside a greyish-white fungal bloom consisting of erect, distally strongly branched conidiophores. In the plant tissue locally oospores are formed, and particularly there galling occurs.
hostplants
Brassicaceae, monophagous
Isatis tinctoria.
synonyms
Peronospora isatidis Gäumann, 1918.
references
Brandenburger (1985a: 199), Göker, Riethmüller, Voglmayr ao (2004a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse (2014a), Müller & Kokeš (2008a), Săvulescu (1948a).