Opinion of the European Economic and Social Committee on the "Proposal for a Council Directive amending Directives 66/401/EEC on the marketing of fodder plant seed, 66/402/EEC on the marketing of cereal seed, 68/193/EEC on the marketing of material for the vegetative propagation of the vine, 92/33/EEC on the marketing of vegetable propagating and planting material, other than seed, 92/34/EEC on the marketing of propagating and planting material of fruit plants, 98/56/EC on the marketing of propagating material of ornamental plants, 2002/54/EC on the marketing of beet seed, 2002/55/EC on the marketing of vegetable seed, 2002/56/EC on the marketing of seed potatoes and 2002/57/EC on the marketing of seed of oil and fibre plants as regards Community comparative tests and trials" (COM(2002) 523 final — 2002/0232 (CNS)).