Bremia stellata (Desmazières) Kochman & Majewski, 1970

on Sonchus

gall

thin whitish hypophyllous fungal down at the underside of the leaf, consisting of erect, apically multiply branched conidiophores. Each ultimate branch ends in a swelling with four short stalks, each one bearing an ovoid conidium. Infected plants may be strongly disfigured

host plants

Asteraceae, monophagous

Sonchus aquatilis, arvensis, asper & subsp. glaucescens, bulbosus, oleraceus, palustris, tenerrimus.

synonyms

Bremia sonchicola (Schlechtendal) Sawada, 1927; B. sonchi Sawada, 1914.

references

Abdul Haq, Shahzad & Qamarunnisa (2015a), Brandenburger (1985a), Choi & Thines (2015a), Doppelbaur & Doppelbaur (1973a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Müller (2015a) , Riethmüller, Voglmayr, Göker, Weiß & Oberwinkler (2002a).

mod 20.vii.2019