The utilization of improved Root and Tuber Crops Production Technologies among Extension Agents in Kogi State was assessed in 2007. The data were collected sing structured questionnaire and analyzed using simple descriptive statistics (frequency and percentages) and linear regression analysis. Results showed that all (100%) of the sampled EAs were aware of TMS 4(2)1425 while only 45% of them currently plant the variety. Yam minisett technique also had 95% awareness and 40% utilization. TMS 30572 cassava variety also had 85% awareness and 45% usage. Scarcity of planting materials and yam minisett dust was mentioned as factors responsible for the low level of usage of the technologies. The regression result showed that awareness creation on improved technologies had a positive and significant relationship with awareness and utilization at 1% level. It was recommended that Extension/Research linkages should be intensified, and improved varieties of crops should be multiplied and distributed torelevant stakeholders to boost its utilization.