Explore codimension one foliations in positive characteristic through this 53-minute seminar by Wodson Mendson from IMPA. Gain insights into using these objects to study holomorphic foliations via reduction modulo p, focusing on detecting irreducible components of the space of codimension one foliations and algebraicity problems in the complex projective plane. Delivered as part of the Geometry, Arithmetic and Differential Equations of Periods (GADEPs) seminar series, this talk provides an overview of key concepts and their applications in foliation theory.