Wherever a control measure is deemed necessary, a biological or biotechnical control method must be used if available and effective.
Available selective aphicides must be used instead of broad-spectrum products and applied according to national/regional recommendations.
For seed potatoes seed treatment against aphids and leafhoppers may be used in situations of high infestation pressure
No nematicides are allowed.
Nematodes: In nematode-infested fields, only cultivars with resistance to the species/pathotype present.
Copper use is not allowed.
Mechanical control prior to planting.
Combination of chemical and mechanical control (ridges).