Planting systems must allow safer, more efficient spraying practices to be adopted.
Proper ventilation of the grape zone in humid areas is an important and mandatory prophylactic measure against diseases (especially Botrytis) and pests (e.g. Drosophila suzukii).
The use of non-naturally occurring synthetic plant growth regulators is not permitted in general. Their use can only be permitted when absolutely necessary: e.g. seedless cultivars for table grapes.
IP guidelines must set out which chemicals are permitted, clearly specifying the aim and the restrictions of their use.