Bean Cercospora Leaf Spot:: Cercospora sp.
This fungal disease, caused by Cercospora species, occurs primarily on the lower leaves of plants as irregular, tan spots.
Severe infection causes excessive leaf drop and stunting of the plant. Infection is worse during periods of extended rainfall, high humidity and temperatures between 75 to 85° F.
Use disease-free seed for planting. Remove all debris in the garden after harvest.
Do not plant beans in the same area for two to three years. There are no resistant varieties or recommended chemicals for this disease in the home garden.
- TamilNadu Agritech Portal