Downy mildew is a water mould, a fungus-like microorganism.
Do not confuse with:
Powdery mildew
Downy mildew (Peronosporaceae species) is a water mould (Oomycetes), a fungal microorganism.
With downy mildew, the lint is on the underside of the leaf instead of the on the top (pow
Several plants have their own specific water mould, for example: grape – Plasmopara viticola, spinach – Peronospora effusa, cucumber – Pseudoperonospora cubensis, kale and cauliflower – Peronospora parasitica, rose – Pseudoperonospora sparsa.
Where to find
- Vegetable plot and ornamental garden
Control
Remove yellowed leaves. Dispose of the affected leaves in the kerbside garden / food waste; do not put them in the compost pile.
Prevention
Providing enough space around the plants, so that the wind has free play between the crops.
Clean up fallen leaves in the fall.
Ensure a dry climate in the greenhouse (airing, heating) so that leaves do not become damp.
