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The study ascertained the determinants of adoption of recommended practices for two improved cassava varieties TME 419 and UMUCASS 38 introduced to farmers in Ajaokuta LGA of Kogi state. Data were collected from 138 farmers randomly selected from seven cassava growing communities. An interview schedule with structured questionnaire was used to elicit information. The data collected were analyzed by means of frequency tables, percentages, mean and Tobit regression model. The result revealed that most of the farmers are in their active age. Okoyawo, a local cassava variety is still the most cultivated cassava strain. TME 419 and UMUCASS 38 are merely cultivated by about 50% and 32% of the farmers, respectively. Sources of information as regards introduced improved cassava varieties were majorly through farmers sharing information with others (friends) and through extension agents, as information through radio programme came last. The results further showed that the adoption of recommended practices for improved cassava varieties were significantly determined by age, gender, educational level, levels of income, years of farming experience and extension contact, as significant relationships were found between these factors and the adoption of recommended practices for the two improved varieties studied. It is therefore suggested that policy interventions should include measures that get farmers increase their level of education, as extension efforts in the area also needs to be strengthened. Use of posters and leaflets should be encouraged as well as use of radio programme on the need to adopt improved cassava technologies need to be promoted.  
Key words: Adoption, Improved Cassava Varieties, UMUCASS 38, TME 419