1. Protective device for fruit plants, especially for vines, called a quilting system, characterized in that it comprises a first self-supporting plate (10) and a second self-supporting plate (12) adapted to be supported on the ground and to be partially superimposed on each other as to completely surround the stem (100) of a plant, said plates being microperforated to allow the passage of water to the underlying ground and being provided with anchoring means (14) to the ground.
