Bright translucent spots on young expanding leaves are often the
earliest conspicuous sign (J. O'Sullivan).
The interveinal spots become sunken brown pits
indistinct pale green mottle of mature leaves, which may droop
or curl down at the edges but are not wilted.
fine pits on young
expanding leaves, appearing
first as pale spots, then becoming brown, sometimes expanding into holes.
young leaves remain smaller than normal and may be pale or
with other symptoms
View full fact sheet