Top: Scanned image

Bottom: Photograph

Ink painting/drawing of Cassava Brown Streak virus Disease (CBSD).

The painting shows a mature brown cassava stem, with a young green stem emerging from it. There is a leaf growing from the stem, and a cut cassava tuber is shown below the leaf. The green stem has brown lesions/ streaks along its length. The leaf regions of has blotchy yellow chlorosis. Dark-brown necrotic areas have developed inside the tuber.