Pests & diseases › Bacterial Leaf Spot
Bacterial Leaf Spot
Bacterial disease of peppers, tomatoes and brassicas. Small angular dark spots with yellow halos.
Symptoms
- Small water-soaked spots that turn dark brown
- Angular spots limited by leaf veins
- Yellow halos around spots
- Spots merging, leaves yellowing and dropping
- Raised brown scabs on pepper and tomato fruit
Lifecycle
Seed-borne, splashed by rain. Thrives in warm wet weather.
What to do
- Remove infected leaves
- Copper sprays (organic-approved)
If it's bad
- Copper + mancozeb combination products
Stop it coming back
- Buy certified disease-free seed
- Don't save seed from infected plants
- Three-year rotation
- Avoid overhead watering
Crops it goes for
Plan the plot, track every sowing, cook the harvest
Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.