Potato Early Blight: Complete Treatment Guide

Potato Early Blight

What is Potato Early Blight?

Symptoms

  • Dark brown rings
  • Concentric lesions
  • Yellow halos
  • Leaf withering
  • Stem lesions
  • Bottom-up spread

What Causes Potato Early Blight?

  • Alternaria solani
  • Warm temperatures
  • High humidity
  • Poor air flow
  • Leaf wetness
  • Plant stress

How to Treat Potato Early Blight

Organic Treatments

  • Copper fungicide
  • Remove infected leaves
  • Improve airflow
  • Clean cultivation
  • Plant spacing
  • Organic sprays

Chemical Treatments

  • Preventive fungicide
  • Regular spraying
  • Systemic treatment
  • Contact fungicides

Cultural Controls

  • Proper spacing
  • Good drainage
  • Air circulation
  • Clean practices
  • Crop rotation
  • Regular monitoring

How to Prevent Potato Early Blight

  • Resistant varieties
  • Proper spacing
  • Air circulation
  • Clean practices
  • Crop rotation
  • Regular inspection

Recommended Fertilizers for Potato Early Blight