The study assessed the factors affecting farmer’s adoption of cowpea spraying technologies in kebbi south using cross-sectional data obtained by interviewing respondents with the aid of structured questionnaires. A probit model was employed to analyze the determinants of farmer’s adoption of cowpea spraying technologies in the study area. The study revealed that participation in the spraying of cowpea by farmers was higher for the following: male farmers, producers with more years of farming experience, farmers with more extension contacts, and respondents with smaller families. Furthermore, the study revealed that female farmers were less in the spraying technology. Decreased in the participation of female was due lack of technical know-how on operational procedures of the spraying machines, Inadequate land, finance, education and cultural beliefs. Those that were found to have participated much were experienced female farmers. The study recommends the expansion of the extension programmes more to female farmers so as to encourage them to participate in the spraying technology such that it addresses the problems inhibiting the effectiveness of farmer’s participation in the spraying technology.