Somatic Embryogenesis of Picea species
云杉属树种的体细胞胚胎发生

A review on somatic embryogenesis in Picea species is addressed in this article, which includes two topics: ( 1 )The factors which influence somatic embryogenesis in Picea species. (2)The morphology and cytohistology of somatic embryogenesis in Picea species. Future application and research directions on somatic embryogenesis in Picea species are also recommended.