Bar/PAT protein monoclonal antibody, method for preparing same and application of bar/PAT protein monoclonal antibody

The invention provides a monoclonal antibody for anti-bar/PAT gene expression protein in plants. A cell strain 4C2 which secretes a monoclonal antibody has the preservation number of CGMCC No.6341. The hybridoma cell strain with high antibody titer and strong specificity, the monoclonal antibody which is secreted by the cell strain is used for preparing an immunochromatographic strip or an Elisa kit for detecting bar/PAT transgene ingredients in the plants, and the monoclonal antibody has a wide application value in transgene screening and transgene safety evaluation of corn, soybean, paddy, cotton and derivative products which take corn, soybean, paddy and cotton as raw materials.