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Maize is a cross-pollinated, polymorphic plant in nature. It is commonly a moderately salt-sensitive crop. Salinity stress is the main abiotic factor that arrests the physiological characteristics and plant growth of a maize plant. This current study was conducted to assess the response of salt-stressed maize genotype to the foliar treatment of iron sulfate under salt stress in the wirehouse of the Old Botanical Garden in UAF. Different levels of NaCl (0 and 150mM) and iron sulfate (0 and 100ppm) were applied by adding 1ml tween 20 as a surfactant on two varieties of maize. Each treatment was applied thrice. After the seedling and growth, morphological parameterswere calculated. Exposure of maize genotype under salinity and control situations. Salt stress concealed the growth parameters of plants. Completely Randomized Design (CRD) was used. Maize (Zea mays) belongs to the grass family Poaceae and is foremost beneficial to the cereal crop in the global as nutriment. Sodium chloride also known as salt or halite is an ionic compound. The effect of NaCl on plants firstly, as increase NaCl in the soil solution reducing growth rate and chlorophyll contents.