体胚发生是植物细胞全能性的一种表达方式，是快速繁殖的新途径。
Somatic embryogenesis is a way of plant cell totipotency, and a new pathway of rapid propagation.
测定了龙眼胚性愈伤组织体胚发生过程中若干生物大分子的动态变化。
The dynamic changes of some biomacromolecules were measured in the process of somatic embryogenesis from embryogenic callus in longan(Dimocarpus longan Lour. ).
由于离体培养比较困难，使得荔枝体胚发生和种质离体保存研究进展缓慢。
As there are difficulties in litchi vitro culture, only few studies reported on somatic embryogenesis and germplasm Cryopreservation.
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