The leaf spot fungus
The pathogens adapt to their host. That is why they are given a corresponding name in the professional world. The leaf spot fungus that pounces on the parsley therefore bears the sonorous name “Septoria petroselini”. It is one of many leaf blotch fungi that too the hydrangea, camellia, liguster, rhododendron, arugula, cucumber and some other types of plants suffer.
also read
- Only eat parsley in moderation
- Parsley takes several weeks to germinate
- The different types of the aromatic herb parsley
The risk of infection
The fungal pathogens are not only present in the bed during the warm growing season. It overwinters unrecognized by us on the ground, on diseased plant remains and even on seeds. That is why an infection usually takes place via the seeds used.
- damp weather has a beneficial effect
- Spreading takes place via splashes of water
- by rain or watering from above
- Gardening also spreads the fungus
Symptoms of the parsley
The small leaves of the parsley show yellow-green, gray or brown spots. Small black dots are also visible on the leaves and stems. These are spore stores of the pathogen. Parsley so defaced is not just a sad sight. It doesn't belong in our food either.
Preventive recommendations
the Leaf spot disease cannot be fought chemically. The usual household resources, which we often use as pesticides in the private garden, have no effect here either. Therefore, the focus should be on prevention:
- grow less susceptible varieties
- do not obtain seeds from diseased plants
- Seeds for at least Place in hot water at 50 ° C for 25 minutes
- Crop rotation note
- do not wet the leaves when watering
Tips
If the weather is consistently humid, you can use a broth for crops for several days in a row Field horsetail splash. That strengthens their resilience.
Act in the event of an outbreak of disease
If the parsley shows the typical spots, it should be removed from the bed immediately and completely. The plant parts must be completely disposed of with household waste so that the fungal spores are removed from the garden.