Simple gene transfer device for tobacco experiment

The utility model discloses a simple gene transfer device for tobacco experiments, which comprises an inert gas storage tank, a pressure regulating valve is arranged at a gas outlet of the inert gas storage tank, a gas supply pipe is connected to a gas outlet of the pressure regulating valve, the gas supply pipe is connected with an inlet of an electromagnetic valve, an outlet of the electromagnetic valve is connected with a hard gas ejector pipe, and a gas ejector head is arranged at the tail end of the hard gas ejector pipe. A screen is arranged on the cross section of the jet head, micron-sized gold or tungsten particles wrapped with exogenous genes are smeared on the screen, the electromagnetic valve is electrically connected with a controller, and the controller is electrically connected with a switch key; according to the device, an existing helium tank in a tobacco laboratory is used, and a pressure regulating valve, a controller, an electromagnetic valve, an air feeding pipe, a hard air spraying pipe