In the presence of a good group of faculty members in some scientific departments and in the presence of postgraduate students, the scientific seminar included a set of axes that included an introduction describing the soybean crop and its economic importance and the importance of using the growth regulator DTA-6 as an effective tool to improve the productivity of agricultural crops. The student stated that the aim of the study is to know the effect of the growth regulator DTA-6 on the gene expression DOF4 in two soybean varieties and to analyze its reflections on the physiological and biochemical properties of the plant. It also seeks to evaluate the effect of DTA-6 on the yield and its components, which provides a comprehensive vision about The potential of this compound in improving the productivity and quality of soybeans. The method of measuring some of the characteristics of the study was also mentioned and the extent of their impact on the production of soybeans was explained.