Purposes of research: breeding and selecting some inbred lines and promissing crosses for maize breeding and production program in Southeast and centre Highlands Breeding new hybrid varieties with medium maturity (90- 96 days), high yield, good quality, suitable to conditions in these regions; determining some cultivation technologies such as plant density and row spacing, fertilzer doses for new hybrids with the purpose of introducing and transfering inovative techniques for farmers in these regions.