In Vitro Flowering of Orchid

Abstract

In vitro flowering is benefit for plant with a long juvenile period. Orchid is one of the popular flower that takes a long time to flowering after seed germination and in vitro regeneration. Therefore, the aim of this review is to show the in vitro conditions for shortening the juvenile period and induction of orchid flowering. Plant growth regulator, growth retardant, phosphorus and nitrogen contents, root excision, temperature and day length affect to the in vitro flowering of orchid.