Onions can fight a variety of diseases and pests, including:
- Powdery mildew
- Onion rot
- Viral sites
- Onion fly
- Onion flea
- Onion beetle
- Onion mite
- Onion aphid
To protect onions from various diseases and pests, you can use neem oil as follows:
- Prepare a solution of neem oil: To prepare a solution, mix 2-3 tablespoons of neem oil in 1 liter of water.
- Spray the solution on the onions: Apply the solution on the onion leaves, stem and also on the soil around the plant.
- Repeat the process as needed: Neem oil solution can be used every 7-14 days depending on the level of infection and weather conditions.