Publication of January 1st 2008 Research articleProduction systemsWhy are ecological wheat cultivars slow to develop? A ‘lock-in’ case studyThis article identifies twelve factors impeding wider adoption of multi-resistant cultivars. These factors explain why current wheat-cropping systems are maintained in a ‘pesticide lock-in’ situation.Cereals sectorInnovationBelgiumWalloniaPathway dependancyLock-insAgroecology