Ascochyta caulina (Karsten) van der Aa & van Kesteren, 1979

on Atriplex, Chenopodium

Ascochyta caulina: leaf spot on Chenopodium album

Chenopodium album, Belgium, prov. Limbourg, Peer, Resterheide, 7.ix.2018 © Carina Van Steenwinkel. NB: the dark spots belong to Passalora dubia!

Ascochyta caulina: leaf spot on Chenopodium album

leaf spot

Ascochyta caulina: pycnidium

dissected pycnidium

Ascochyta caulina: conidia

conidia

Ascochyta caulina: conidia

conidia

Ascochyta caulina on Atriplex patula

Atriplex patula, UK, Orkney @ Derek Mayes

Ascochyta caulina on Atriplex patula

detail

Ascochyta caulina on Atriplex patula

leaf spot with pycnidia

hostplants

Amaranthaceae, oligophagous

Atriplex calotheca, hortensis, laciniata, littoralis, oblongifolia, patula, sagittata; Chenopodium album, bonus-henricus, glaucum, hybridum, murale, suecicum, vulvaria.

references

van der Aa & van Kesteren (1979a), Brandenburger (1965a).

mod 10.ix.2018