In the study, the effect of 1-methylcyclopropene (1-MCP), normal (NA) and modified atmosphere (MA) storage treatments were investigated on postharvest quality properties of freesia (Freesia sp.). Freesias harvested in the experiment were divided into two groups: the first group of samples was treated with 675 ppb 1-MCP, the other group was not treated with 1-MCP. Cover materials in different characteristics were used in MA. All of the samples were stored 14 days at 4 +/- 1 degrees C temperature and 80 +/- 5% relative humidity and some quality analysis was done in the samples taken from 0, 7 and 14 days. When the quality parameters used in the study were examined, 1-MCP delayed the opening of flowers in general, in NA and MA groups, and showed a mitigating effect on flower dumps. In the end of the study, the best results in terms of postharvest quality characteristics were obtained from 1-MCP and 50 mu PE combined treatment.