Septoria lavandulae Desmazières, 1853

lavender leaf spot

on Lavandula

Septoria lavandulae: leaf spots on Lavandula angustifolia

Lavandula angustifolia,Belgium, prov. Flemish Brabant, Averbode, Vierkensbroek, 5.vi.2018 © Carina Van Steenwinkel

Septoria lavandulae: leaf spots on Lavandula angustifolia

infected leaves, upper side

Septoria lavandulae: leaf spots on Lavandula angustifolia

infected leaves, undererside

Septoria lavandulae: conidia

conidia

Septoria lavandulae: conidia

conidia

parasite

Pycnidia black few, mainly epiphyllous. Conidia 2-3 x 14-36 µm, 1-3-septate.

host plants

Lamiaceae, monophagous

Lavandula angustifolia, x intermedia.

references

Brandenburger (1985a: 532), Ellis & Ellis (1997a), Grove (1935a), Jage, Kruse, Kummer ao (2013a), Vasileva & Nakova (2015a), Vrandečić, Ćosić, Jurković ao (2014a).

mod 8.vii.2018