Peronosporea
CLASSIFICATION
Chromista
ABOUT
Peronosporales are oomycetes, a group related to fungi, also known as water molds. They cause infectious diseases such as downy mildew.
How to treat?
- Biological
If possible remove and destroy the infected parts of the plant. Burn it, toss it into the garbage, or bury it deeply. Do not compost.
If the infection is widespread, remove and destroy the infected plant. Burn it, toss it into the garbage, or bury it deeply. Do not compost.
- Disease prevention
Use resistant species and cultivars as well as healthy, certified seeds and seedlings.
Rotate crops. Avoid planting sensitive crops in infested soil.
Ensure having good soil drainage to avoid overwatering.
Disinfect tools, infected flower pots, and hands to avoid disease transmission.
If necessary, use chemical products as a prevention (e.g. copper-based spray). These chemicals may lead to the development of resistant strains.