Late blight
Common Name
Scientific Name
Phytophthora infestans
Issue
Bacteria
Causes
This disease is favoured by cool, cloudy, wet conditions.
Prevention
Practise rotation with non-solanaceaous crops (do not rotate with tomatoes and eggplants). Select only, certified, disease-free seed potatoes and never plant table-stock potatoes. Keep foliage dry and avoid overhead irrigation and plant potatoes in sunny,
Control
Practise good field hygiene. Pull up and discard infected plants.