Plant Parasites of Europe

leafminers, galls and fungi

Paraperonospora minor

Paraperonospora minor (Savulescu & Rayss) Constantinescu, 1989

on Achillea, Artemisia


spots epiphyllous, pale, brown when tissues become necrotic, polyangular. Down hypophyllous, whitish or yellowish, in patches, sometimes powdery, covering large, vein-limited areas or the entire lower surface, but often obscured by the trichoma. Conidia oval, 25-30 µm lang; tip of terminal branchlets of the conidiophore blunt but not swollen.


Asteraceae, oligofaag

Achillea clusiana; Artemisia clusiana, siversiana, vulgaris.

Outside of Europe also Dendranthema boreale, Nipponanthmum nipponicum


Peronospora sulphurea f. minor Savulescu & Rayss, 1930.


Choi, Park & Shin (2008a), Constaninescu (1984a, 1996a), Săvulescu (1948a).

Last modified 30.viii.2017