云杉属树种体细胞胚成熟影响因素研究进展

Research Progress on Influencing Factors of Somatic Embryo Maturation of Picea

云杉属树种体细胞胚胎发生及植株再生能力受多种因素的影响。体细胞胚萌发困难的一个重要原因就是体细胞胚没有经过一个完整的成熟过程。体细胞胚的成熟受到多方面因素的影响,包括物理因子、糖类、PEG、基因型、植物生长调节剂、成熟时间和各种离子等因素。综述了云杉属树种体细胞胚成熟影响因素的研究进展,发现只有云杉属树种体细胞胚真正成熟并同步萌发,才可以利用云杉属树种体细胞胚进行工厂化育苗。

Somatic embryogenesis and plant regeneration ability of Picea were affected by many factors.One of the important reasons for the difficulty of somatic embryo germination is that somatic embryo does not go through a complete maturation process.The maturation of somatic embryos is influenced by many factors,including physical factors,sugars,peg,genotypes,plant growth regulators,maturation time,and various ions.Through the factors affecting the maturation of somatic embryos,the real mature and synchronous germination of somatic embryos of Picea were described,which could be used to improve the yield and quality of somatic embryos of Picea and to carry out industrial seedling raising.