A test device for studying discernment of root system relationship

The utility model relates to a test device for studying discernment of root system relationship, including the open culture tank of up end, the culture tank top is provided with two, and two apron arehugged closely along the side each other for the apron of separation plant roots release volatile substance to the diffusion of ground upper portion space, are provided with two semi -circular holesof planting at the edge of hugging closely of apron, the apron top be provided with two for the glass cover that carries out the information interchange through the chemical volatile substance of rootsystem upper portion release between the separation plant, glass covers the breather pipe that is provided with with the outside air intercommunication. The utility model discloses can make actions such as reciprocal coexistence or competition mutual exclusion to the discernment of plant roots relationship and carry out observed and researched to carry out the information interchange through thechemical volatile substance