This invention discloses a plant pruning device comprising a pruning body (20) holding at least a set of drive components (47,47', 41,42; 59-61) connected with a motor unit (34), at least a pair of cutting blades (23,24; 62,63) which are connected and controlled by said drive components, a catch-bar (32) connectable with said body to use the device at various heights. The cutting blades, which may be rectilinear reciprocating blades or circular blades, are placed one in front of the other, with a first cutting blade designed to cut the part to be removed, while the second blade at least marks the area to be cut on the side opposite to the first cutting blade.
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