Tea plant (Camellia sinensis (L.) O. Kuntze) is one of the important crops for beverage, which belongs to the family Theacea. There are some characteristics that limit the genetic improvement of tea, such as long life cycle, self-incompatibility, high inbreeding depression, etc. The genetic transformation in Camellia sinensis was developed in recent years, however with limited successes because of difficult plant regeneration and low transformation efficiency. The advance in plant regeneration ...