Cassava scales

Hard scale, oval & mussel like

Symptoms

Infest stem portion Leaves of affected plants disciloured & dry up Stunting of plants

Control

Encourage coccinellid predators Spray methyl demeton 0.25% 'Collect stems free of scale insects. store stems in vertical position in shade to prevent multiplication of scale insects. As prophylactic measure, spray the stems with 0.05% Dimethoate during storage