Leaf spot — Tapioca

Symptoms

The symptoms of the disease appear on the leaves as small brown coloured necrotic spots surrounded by yellow halo The size, shape, colour and form of the leaf spot vary in accordance with the causal organisms. Spots are produced on both the sides of leaves. On upper surface brown spots with dark border appears. On lower side of the leaf spots with grey centre and less distinct margin appear. Sometimes white spots may be seen on upper surface. The infected leaves turn yellow and dry up.