Pests and Diseases

Pests

Bean fly

Bean fly attack signs include stem maggots, swollen stem base, wilting, yellowing and death of crop, 2-4 weeks after planting.

If spotted, cover the swollen stem base with soil during weeding or spray with cypermethrin & dimethoate chemicals.

Diseases

Bean anthracnose

During heavy rains, observe for bean anthracnose signs such as: round sunken brown wounds on the stem, black injuries on veins underside the leaves.

To control, plant resistant varieties, disease free seed, avoid waterlogging fields & rotate beans with other crops.

Root rot

Root rot signs include yellowing & death of bean plant, one week after germination.

To control, improve your soil fertility using manure or inorganic fertilizers. Plant treated seed and resistant varieties next season.