Cold reduces maize (Zea mays L.) production and delays sowings. tolerance in is very limited, breeding for cold still a major challenge. Our objective was to detect QTL at germination seedling stages. We evaluated, under control conditions, 919 Dent 1009 Flint inbred lines from two nested association mapping designs consisting 24 double-haploid populations, genotyped with 56,110 SNPs. found lar...