Judgment of the Court (Second Chamber) of 10 January 2006 in Case C-147/04 (Reference for a preliminary ruling from the Conseil d'État) De Groot en Slot Allium BV, Bejo Zaden BV v Ministre de l'Economie, des Finances et de l'Industrie, Ministre de l'Agriculture, de l'Alimentation, de la Pêche et des Affaires rurales (Directive 70/458/EEC — Marketing of vegetable seed — Article 2 — Directive 92/33/EEC — Marketing of vegetable propagating and planting material, other than seed — Annex II — Common catalogue of vegetable species — National legislation permitting only varieties of shallots produced by vegetative propagation to be marketed as shallots — Article 28 EC — Consumer protection)