It is characterized by small water soaked lesions which appear on the leaves and quickly develop greenish yellow halos. Plants may sometimes produce white exudates.
Imadziwika ndi zotupa zazing'ono zokhala ndi madzi  zomwe zimaoneka pamasamba ndipo zimasintha mwachangu kukhala zobiliwira mwachikasu. Nthawi zina zomera zimatulutsa utomoni woyera