Wherever a control measure is deemed necessary, a biological or biotechnical control method must be used if available and effective.
Control of Colorado Beetle/aphids (where established) must only be carried out according to threshold levels or national law.
Insecticides classified “yellow” or “green” in IOBC Pesticide Side Effect Database must be used in accordance with threshold levels
No nematicides are allowed.
Copper must not be use.
For Rhizoctonia, seed treatment is only permitted if threshold levels for tubers with sclerotia of R. solani are exceeded.
No chemical herbicide can be applied before planting.
Preference for mechanical haulm killing (canopy removal).