Recyclable seedling tray for rice breeding

The utility model discloses a recyclable rice breeding seedling tray, and relates to the technical field of rice breeding, the recyclable rice breeding seedling tray comprises a fixed frame and a seedling tray main body, the fixed frame is formed by clamping an upper part and a lower part, one side of the outer surface of the fixed frame is provided with a groove, and a sliding rail is arranged in the groove; a plurality of sliding blocks are slidably connected to the sliding rails, bearing parts are in threaded connection with the surfaces of the upper ends of the sliding blocks, the seedling raising tray body comprises seedling raising cups and water permeable holes, and a plurality of clamping grooves are formed in the surface of the upper end of the seedling raising tray body at equal intervals. Meanwhile, the rice roots are prevented from being mutually staggered to damage the seedling tray, the seedling tray can be recycled, and when a certain position is damaged, the seedling tray can be replaced in ti