A method of increasing the efficiency of bacterially-mediated plant transformation, comprising the steps of: a) introducing at least one additional transformation enhancer sequence into a plant transformation vector comprising at least one T-DNA border region including a transformation enhancer sequence； and b) transforming a plant cell with said vector by bacterially-mediated transformation, wherein the bacterium is competent for the transformation of said plant cell, wherein the additional transformation enhancer sequence comprises a sequence selected from the group consisting of: SEQ ID NO:6, SEQ ID NO:11, and a sequence complementary to SEQ ID NO:6 or SEQ ID NO:11.
