Aphids and other sucking insect pests

• Control these insect pests with Dimethoate 20wp at the rate of 35g in 14 liters of water using a knapsack sprayer or 35g in liters of water if using a UVL sprayer

Leaf and Flower eating insects

• These should be controlled with carbaryl (sevin) 85 wp in 14 liters of water of water if using a knapsack sprayer or 85g in 1 liter of water using a UVL sprayer

Wilt Sclerotium blight (Sclerotium rolfsii)

• Infection occurs at or just below the soil surface
• Light brown lesions occur which quickly darken and enlarge until the hypocotyls or stem is girdled.
• Yellowing or wilting of plants is usually the first symptom.
• Leaves of infected plant turn brown, dry and often cling to the dead stem
• Most characteristic sign of the fungus is a white mat of fungal mycelia forming on stem bases.

Protection

• Alternating Bambara nut with a non-host crop like maize
• Planting on a raised bed is useful in preventing certain diseases

Leaf spot (cercospora canescens)

• Rotation with non-host crops is the main control measure as chemical control spraying may prove uneconomical