Soybean grey speck disease pathogen culture and observation device

The invention discloses a soybean grey speck disease pathogenic bacteria culture and observation device which comprises a base and a hemispherical culture and observation box, the base and the hemispherical culture and observation box are detachably connected through a clamping part, a culture cavity is formed when the base and the hemispherical culture and observation box are connected, and a culture net plate is arranged on the base and used for culturing soybean grey speck disease pathogenic bacteria. A humidifier is arranged in the base and used for increasing the humidity in the culture chamber so as to adapt to culture of soybean grey speck disease pathogenic bacteria, a cavity is formed in the hemispherical culture observation box, a heater and liquid are arranged in the cavity, and the cavity is filled with the liquid. The heater is used for heating liquid in the cavity, namely the hemisphere culture observation box has heat, the condensation phenomenon caused by contact of moisture and the hemisphere