Morocco’s wheat seed system and its impact on the realization of genetic progress

Abstract

Bread wheat underpins Morocco’s food security, supplying more than half of national caloric and protein intake. However, domestic production covers only about 60% of the demand, increasing vulnerability to climate shocks and global market volatility. With limited potential to expand cultivated area, national food security increasingly depends on how effectively breeding-derived genetic gains translate into farm-level performance. While breeding programmes achieve yield gains of about 59 kg ha⁻1 yr⁻1, only roughly 31% is realised in farmers’ fields, indicating major inefficiencies along the seed pathway. This limited realization is associated with a low varietal turnover rate (≈0.045 yr⁻1), a modest seed replacement rate (≈35%), and a prolonged adoption lag of 10–12 years. This review applies a systems-diagnostic framework to examine the structure, performance and constraints of Morocco’s wheat seed system, drawing on peer-reviewed literature, institutional analyses and policy documents. The assessment evaluates governance, regulatory processes, early-generation and certified-seed supply, and adoption dynamics, using varietal turnover rate, seed replacement rate and genetic-gain realisation to characterise system efficiency. The review finds that despite strong varietal integrity and quality control, the overall performance of Morocco’s wheat seed system is limited by centralised governance, protracted registration and licensing procedures, insufficient private-sector engagement and weak coordination between breeding, certification and extension. These constraints slow varietal renewal, restrict seed availability and diminish the expression of genetic progress. Strengthening Morocco’s food security will require modernising varietal registration, expanding seed-production capacity, realigning subsidy incentives and fostering public–private collaboration. Building on insights from Hall’s studies of seed-system innovation in Morocco, lasting improvement will depend on strengthening the institutional linkages, learning mechanisms and collaborative capacities that enable breeders, regulators, seed producers, and farmers to innovate together.