Pruner-chopper device designed to be used in the field of maintenance of planted areas. It comprises on the one hand a chopper (1) comprising a casing (4) with a C-shaped section, in which a rotor (3) is placed furnished with cutting hammers, or other cutting means, capable of rotating axially therein so as to be able to chop therein against the internal wall of the casing (4) the plant material that is driven by the rotor (3) and enters the base of the casing (4) in order to emerge therefrom via the top or via the front; and, on the other hand, a heddle-marker (2) which covers the bottom edge of the said casing (4) and which is placed in front of the said bottom edge, the said heddle-marker (2) consisting of a transverse juxtaposition of discs (20) with a cutting edge which partially overlap in twos, which are placed in a plane substantially tangential to the casing (4), and which are moved in rotation.
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