Symptoms of leaf curl appear only on the leaves. affected leaves become small and corrugated.
Deformity of leaves and yellowing of veins are common symptoms of the disease.
Affected leaves turn downwards and as a result they appear to be inverted cups, which is a special symptom of leaf curl.
The leaves become thick, brittle and rough on the upper surface due to overgrowth. Flowering occurs less in diseased plants. In the severity of the disease, the leaves fall and the plant stops growing.