Viral diseases
Common Name
Scientific Name
Issue
Viral
Causes
These viruses are transmitted by aphids
Prevention
Use virus-free seed tubers. Plant resistant varieties where available. In Kenya they are; 'Kenya Baraka', 'Roslin Eburu', 'Feldelslohn', 'Annet'and 'Dutch Robin'. Do not overlap potato crops. Practise good field sanitation.
Control
Uproot infected plants to reduce the incidence of infection and spread of the disease within a field. Control of insect vectors may reduce virus spread. Control nightshades and volunteer potatoes because these plants are reservoirs for viruses.