1. A guide and fixing device for wires supporting plants, in particular rows of trellis for vines, said device comprising at least one pair of vertical posts attached to a head post (PT) and provided with longitudinal guides (2) inside which slide fasteners (3) for side wires supporting the growing plant parts of the wire (FC), characterized in that with each pair of racks (2) for said lateral supporting growing parts of the plants wires (FC) an additional Separated vertical stand (6) provided with a guide in which slides the fastening element (7) for at least one forming wire (FP) .2. A guide and fastening device for wires supporting plants according to claim 1, characterized in that two fasteners (7) for the lower forming wire and for the upper forming wire, respectively, slide in said additional vertical post (6). 3. Guide and fixing device for wires supporting plants, according to claim 2, characterized in that said forming wires (FP) and said lateral supporting growing parts of plants wires (FC) are connected to said fixing elements (3, 7) using compensation devices (8) .4. A guide and fixing device for wires supporting plants according to claim 2, characterized in that said vertical guides (2, 6) are connected to said head column (PT) by a curved bracket (9), on which a plurality of holes (10) are made, which correspond to the holes (11) on the said guides (2, 6) for connecting the threads�1. Направляющее и крепежное устройство для проволок, поддерживающих растения, в частности рядов шпалер для виноградной лозы, причем упомянутое устройство содержит по меньшей мере одну пару вертикальных стоек, прикрепленных к головному столбу (РТ) и снабженных продольными направляющими (2), внутри которых скользят крепежные элементы (3) для боковых поддерживающих растущие части растений проволок (FC), отличающееся тем, что с каждой парой стоек (2) для упомянутых боковых поддерживающих растущие части растений проволок (FC) соединена дополнительная вертикальная стойка (6), снаб
