The invention discloses a method for efficiently inducing
hybrid liriodendron somatic embryogenesis, and belongs to the technical field of
plant embryogenesis. The method mainly comprises the following steps: performing
callus multiplication culture on embryogenic calluses of
hybrid liriodendron in a
callus multiplication culture medium containing
a DNA methyltransferase inhibitor 5-Aza-dC or Zebularine, then transferring the embryogenic calluses into a somatic
embryo induction culture medium for somatic
embryo induction, and obtaining mature
hybrid liriodendron somatic embryos after somatic
embryo induction is completed. The method is easy to operate, and the effects of inhibiting
mass proliferation of embryonic tissues, promoting generation and development of somatic embryos and improving the somatic embryo generation efficiency can be achieved only by adding a proper amount of
DNA methylated
transferase inhibitor in the
callus proliferation stage. The method can enhance the somatic embryo induction efficiency of the hybrid liriodendron, provides a new technical scheme for optimizing the somatic embryo generation of the hybrid liriodendron by using an epigenetic regulation means, and has important application value in the field of rapid propagation of the hybrid liriodendron.