Diseases Of Cassava

Diseases of Cassava

Indian Cassava Mosaic Virus Disease (ICMV) 
Symptoms

Mosaic symptom, reduction in leaf size, misshapened twisted leaves.  The affected plants stunted, tuber splitting and yield reduction.

Management

Selection of setts from healthy plants Use of resistant varieties like MnGa-1

Sett rot / stem rot – Diplodia natalensis (Botryodiplodia theobromae)

It is found in stored setts and new planting in dry areas. Vascular strands show black discoloration and necrosis radiating from wounds. Epidermel blisters are produced under which the infected dark brown or black tissues can be seen. Masses of black pycnidia can be seen when the blister rupture.

Management

Selection of healthy setts