Potato Scab: Complete Treatment Guide
What is Potato Scab?
Symptoms
- Corky patches
- Surface lesions
- Deep pits
- Brown spots
- Rough texture
- Variable severity
What Causes Potato Scab?
- Streptomyces scabies
- High soil pH
- Poor drainage
- Previous infection
- Susceptible variety
- Dry conditions
How to Treat Potato Scab
Organic Treatments
- Sulfur amendments
- Lower soil pH
- Improve drainage
- Green manures
- Crop rotation
- Resistant varieties
Chemical Treatments
- pH-lowering fertilizer
- Soil amendments
- Acidifying agents
- Preventive treatments
Cultural Controls
- pH management
- Crop rotation
- Proper irrigation
- Resistant varieties
- Soil management
- Clean seed
How to Prevent Potato Scab
- Maintain low pH
- Good drainage
- Clean seed
- Crop rotation
- Resistant varieties
- Soil testing
Recommended Fertilizers for Potato Scab
- Sulfur amendments
- Acidifying fertilizers
- Soil improvers
- pH adjusters