Downy mildew
| Contributor: | Wageningen University & Research |
| Date Compiled: | 2025 |
Prevention
| Solution | Production stage (if possible with reference to BBCH scale) |
|---|---|
|
Wide crop rotations
|
Pre-season
|
|
Destroy residues of diseased crops
|
Pre-season
|
|
Increase soil drainage
|
From Sowing/Planting to Harvest
|
|
Reduce crop density
|
Sowing/Planting
|
|
Remove infected plants and leaves
|
From Sowing/Planting to Harvest
|
Control
Regulations surrounding biological products can change rapidly – always verify products recommended here with the most recent legislation and lists of products registered for your country
| Solution | Product Category | Production stage (if possible with reference to BBCH scale) | Max nb. of a. i. application/year | Application Details and Notes (commercial product example) | Chemical Group | Risk resistance (FRAC Code) |
|---|---|---|---|---|---|---|
|
Potassium bicarbonate fungicide
|
Biological fungicide
|
Preventive treatments before identified risk periods. Suspend treatments 1 day before harvest
|
8
|
(KARMA) Dosage 3 Kg/Ha
|
Inorganic
|
Low risk (NC)
|
Regulations surrounding chemical products can change rapidly – always verify chemicals recommended here with the most recent legislation and lists of products registered for your country
| Solution | Product Category | Production stage (if possible with reference to BBCH scale) | Max nb. of a. i. application/year | Application Details and Notes (commercial product example) | Chemical Group | Risk resistance (FRAC Code) |
|---|---|---|---|---|---|---|
|
Azoxystrobin
|
Synthetic fungicide
|
Start of treatments since there are favorable conditions for the development of infection. Suspend treatments 7 days before harvest
|
3 (Among Azoxystrobin and Tryfloxystrobin)
|
(ORTIVA® TOP SC) Dosage: 0,8-1 L/ha
|
QoI-fungicides (Quinone outside Inhibitors)
|
High risk (11)
|
|
Propamocarb + fluopicolide
|
Synthetic fungicide
|
|
3
|
(VOLARE ® ) Dosage: 1,6 l/Ha
|
Carbamates
|
Low to Medium Risk (28)
|
The information made available here has been obtained from or is based upon sources believed by CABI to be reliable but is not guaranteed as to accuracy or completeness. Anyone acting or relying on such information does so entirely at their own risk. The efficacy of the IPM methods included above will depend on local conditions and might not always be suitable everywhere within the specified country.
Sources
- Finding guidelines for cabbage intercropping systems design as a first step in a meta-analysis relay for vegetables
- Spatial and genetic crop diversity support ecosystem service delivery: A case of yield and biocontrol in Dutch organic cabbage production
- Prospects for increasing the resolution of crop diversity for agroecosystem service delivery in a Dutch arable system