Plant Parasites of Europe

leafminers, galls and fungi

Peronospora alyssi-calycini

Peronospora alyssi-calycini Gäumann, 1918

on Alyssum


upperside of the leaves with paled, slightly thickened patches. Shoots in bud grow vertically upwards and do not come into flower. Underside of the leaves with a white fungal bloom, consisting of erect, distally strongly branched conidiophores, each one ending upon an egg-shaped conidium.


Brassicaceae, monofaag

Alyssum alyssoides, montanum.

A reference by Mayor (1967a) to Alyssum maritimum [= Lobularia maritima] probably concerns Hyaloperonospora lobulariae.


Brandenburger (1985a), Buhr (1964b), Doppelbaur, Huber & Poelt (1965a), Gustavsson (1991a), Klenke & Scholler (2015a), Mayor (1967a), Săvulescu (1948a).

Last modified 21.iv.2020