Bean Cercospora Leaf Spot

Bean Cercospora Leaf Spot:Cercospora sp.

Symptom:
  • 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.
Management:
  • 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.

 

 

Source-

  • TamilNadu Agritech Portal
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