Downy mildew

Contributor: AgriNewTech
Date Compiled: 2024
Creative Commons "Attribution-Share Alike"
Image copyright: ©Clemson University - USDA Cooperative Extension Slide Series/via Bugwood.org - CC BY 3.0 US

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

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)
Copper fungicides
Copper-based fungicide
Start of treatments since there are favorable conditions for the development of infection. Suspend treatments 3 days before harvest
28 kg/ha in 7 years. It is recommended not to exceed the average quantity of 4 kg/ha of copper per year on the crop.
(BIOCUPRO) Dosage: 3,2-6,0 L/ha
Inorganic
Low risk (M01)

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 Azoxystrobinand Tryfloxystrobin)
(ORTIVA® TOP SC) Dosage: 1 L/ha
QoI-fungicides (Quinone outside inhibitors)
High risk (11)
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.