Wherever a control measure is deemed necessary, a biological, biotechnical or physical control method must be used if available and effective.
Insecticides: Only green and yellow ingredients of the IOBC-WPRS Pesticide Side Effect Database are to be used, if justified by pest numbers exceeding established thresholds.
Foliar fungicides must not be applied in the autumn.
Apply only fungicides following a risk assessment.
Chemical herbicides must not be applied before sowing.