In a preferred embodiment, the orchid plants are selected from Phal. aphrodite subsp. formosana. In another preferred embodiment, the orchid plants are selected from Phal. bellina.
The first step (a) of the method in accordance with the present invention is: providing a protocorm selected from a germinated seed of an orchid or a protocom-like body (PLB) grown from a plant tissue of an orchid plant, such as a protocorm, root, leaf, stalk, pedicel axillary bud, pedicel terminal bud, ovary and combinations thereof. In a preferred embodiment, provided in first step (a) is the protocorm selected from a seed of an orchid plant.