Pestalotiopsis guepinii (Desmazières) Steyaert, 1949
rhododendron gray blight
on Rhododendron
Rhododendron ponticum, Veluwezoom, 27.xi.2021 © Kees van Oorde
leaves killed by the fungus
part of the upper side of a leaf, with acervuli
conidia
conidium; scale interval 2.5 µm. De appendages at the tip are up to 30 µm long,
host plants
Ericaceae, monophagous
Rhododendron ponticum.
references
Maharachchikumbura, Guo, Chukeatirote, ao (011a).