Tissue culture techniques have contributed to large scale production of plants of economic importance such as orchids and other ornamentals. The culture of meristems and other tissue culture techniques have produced plants that are virus free. The techniqnes are based on the
principle of totipotency (Purohit, 2005). In orchids, the techniques have been widely used for mass production (Griesbach, 2002) of plants serving as an ex situ conservation strategy of species (Decruse et al., 2003). Many protocols have been developed including