A weeding rotor (1), in particular for agricultural use, has: - a tubular shaft (2), which extends along a longitudinal axis (A), is motorized to rotate about the longitudinal axis (A) and has a cylindrical structure (11 26) and an interchangeable protective tube (12 27 36 42), which is arranged about the cylindrical structure (11 26) and is configured to slide on the ground and - a plurality of working wires (5), each of which is housed in the tubular shaft (2) and is configured to arrange two respective end portions through two respective openings (4, 18 28, 29) of the cylindrical wall (3 25) out of the tubular shaft (2).
