An apparatus for dividing horticultural products, propelled by a fluid for transport from an intake region connected to an upstream station to an evacuation region connected to a downstream station. The apparatus includes a supporting frame for a contoured floor, which is arranged so that a first edge is at said intake region and is arranged so that a second edge, arranged opposite the first edge, is at the evacuation region. The contoured floor includes a plurality of lanes interposed in a parallel arrangement between the regions and have a substantially V-shaped transverse cross-section so as to produce the progressive conveyance and alignment of the horticultural products in transit along the bottom of each lane.