The mechanisms of genetic variation of the in-vitro embryogenic cultures in the process of somatic embryogenesis were studied through cytological markers, biochemical markers and molecular markers in litchi [Litchi chinensis Sonn.], which could provide new clues for the study of the mechanism of somatic embryogenesis and somaclonal variation, and also provide scientific information for overcoming vitrified embryoids, abnormal embryoids and the low inversion rate of somatic embryos in litchi.
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