Cultivation device for tissue culture seedlings

The culture device comprises a base and a light source, a culture cavity with an opening facing the front end is formed in the top surface of the base, a plurality of tissue culture bottles can be placed in the culture cavity, the light source is arranged on the inner surface of the top wall of the culture cavity, a curtain structure is arranged at the opening of the culture cavity, and the curtain structure comprises a curtain rolling shaft, covering curtain cloth and a pull rod. The roller shutter shaft is horizontally distributed on the top wall of the culture cavity, one end of the covering curtain cloth is in elastic rewinding connection with the roller shutter shaft, the other end of the covering curtain cloth is connected with the pull rod, the pull rod is provided with a first magnet block, and the bottom wall of the culture cavity is provided with a second magnet block which can be magnetically attracted with the first magnet block. According to the utility model, the curtain structure is arranged to