The aims of this research is creating varieties of sweet corn cob that has three properties per stem and seeds taste sweet in the long term and finding information about the average phenotypic appearance and character of the results and the role of genes of maize yield components , finding new population recombination properties results from male and female elders that will be used in plant breeding steps next in the short-term. This research was conducted at the field ecperiment of Agriculture Faculty UNSYIAH from March to July 2013. This research used Randomized Completely Block Design (RAK) non Factorial with 3 replication, they are P1 = tetua male parents ( F1 Bonanza sweet corn ), P2 = female parents (prolific corn), F1 = from crosses between sweet corn and prolific corn. So, there are 9 unit. The reaserch indicate that There is a significantly different effect phenotypic appearance and character of the results of yield components of corn crop due to the treatment of different genotypes. F1 genotypes from crosses prolific corn and sweet corn showed the appearance of the highest average score on all the characters are observed. Almost all of the characters and the outcome of maize yield components were observed showing the dominant role of most genes (Additives) go into plant breeding forward to make open polinated variety. Key word : Zea mays, Prolific , Genotypes, additives, Phenotypic.