Ramularia grevilleana (Oudemans) Jørstad, 1945

on Fragaria, Potentilla etc.

Ramularia grevilleana on Potentilla recta

Potentilla recta, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel

Ramularia grevilleana on Potentilla recta

underside

Ramularia grevilleana: conidiophores

conidiophores

Ramularia grevilleana: conidia

conidia

gall

Leaf spots amphigenous. Colonies hypophyllous. Conidiophores in bundles, 10-40 µm, mostly 1-celled; conidia in chains.

hostplants

Rosaceae, oligophagous

Argentina anserina; Comarum palustre; Drymocallis rupestris; Fragaria ananassa, chiloensis, moschata, vesca, virginiana, viridis; Potentilla argentea, aurea & subsp. chrysocraspeda, bungei, chrysantha, crantzii, divaricata, erecta, heptaphylla, humifusa, incana, inclinata, indica, intermedia, longifolia, norvegica, pedata, pensylvanica, pimpinelloides, pusilla, recta, reptans, rivalis, silesiaca, sterilis, supina, thuringiaca; Sibbaldianthe bifurca & subsp. orientalis; Waldsteinia ternata.

synonyms

Mycosphaerella fragariae Oudemans) Lindau 1897; Ramularia arvensis Saccardo, 1882; Ramularia tulasnei Saccardo, 1886.

references

Bakhshi (2018a), Béguinot & Chevassut (1993a), Blumer (1946a), Brandenburger (1985a: 231, 236), Braun (1998a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Moret i Benaset & Nadal i Puigdefabregas (1984a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b), Poelt & Fritz-Schroeder (1983a), Roldan Garrigós & Honrubia García (1992a), Scheuer & Bechter (2012a), Unamuno (1942a, 1943a), Wołczańska (2005a).

mod 23.viii.2019