Ascochyta caulina (Karsten) van der Aa & van Kesteren, 1979
on Atriplex, Chenopodium
Chenopodium album, Belgium, prov. Limbourg, Peer, Resterheide, 7.ix.2018 © Carina Van Steenwinkel. NB: the dark spots belong to Cercospora chenopodii!
leaf spot
dissected pycnidium
conidia
conidia
Atriplex patula, UK, Orkney @ Derek Mayes
detail
leaf spot with pycnidia
parasite
Leaf spots with pycnidia; conidia 4-8 x 12-27 µm, 1-3 septen.
hostplants
Amaranthaceae, oligophagous
Atriplex calotheca, hortensis, laciniata, littoralis, oblongifolia, patula, sagittata; Chenopodiastrum hybridum, murale; Chenopodium album, bonus-henricus, glaucum, suecicum, vulvaria.
references
van der Aa & van Kesteren (1979a), Brandenburger (1965a: 116).
Last modified 6.ix.2022