Content
- Treat diseases on lettuce
- These diseases occur in lettuce
- Wrong mildew
- Causes of downy mildew
- Detect downy mildew
- False powdery mildew bow and fight
- Salatfäule
- prevent diseases
- Anti-disease lettuce varieties
Too much moisture makes the lettuce sick
Treat diseases on lettuce
Lettuce, like other vegetables, unfortunately, from time to time afflicted by diseases. Learn more about what diseases lettuce can suffer from, what you can recognize and what you can do about it.
Early article fighting pests on lettuce Next article Harvest head saladThese diseases occur in lettuce
The most common disease in lettuce is downy mildew. Furthermore, lettuce but can get sick of salad blight and various viruses.
Wrong mildew
Downy mildew can only be treated if it is detected in time. If severe infestation occurs, the appropriate lettuce should be immediately removed to prevent the disease from spreading.
Causes of downy mildew
Downy mildew occurs when the weather is constantly too humid and the leaves lie directly on the wet ground.
Detect downy mildew
Lettuce attacked by downy mildew shows yellow-brown spots on the upper leaf surface and white-grayish spores on the lower leaf surface.
False powdery mildew bow and fight
Salatfäule
Salad rot is usually a mixture of various infections and is also due to too much moisture. Symptoms are foul spots on the underside of the leaves.
The measures are similar to the disease of downy mildew:
prevent diseases
Most diseases are caused by excessive moisture and a weakened plant. Therefore you should generally prevent:
Anti-disease lettuce varieties
If you have had disease with your lettuce in the past, you may be pleased to learn that there are resistant varieties. So the early varieties Dynamite and Merveille of the 4 seasons are particularly resistant to viruses and diseases. An overview of other early, medium and late varieties can be found here.