Research Article

In Vitro Seed Germination and Seedling Development of a Rare Indonesian Native Orchid Phalaenopsis amboinensis J.J.Sm

Table 1

Seed germination and seedling formation stages of P. amboinensis (modified from [20]).

StageDescription

0No growth of embryo occurs and testa was found intact
1Swollen embryo (=germination)
2Embryo is completely discharged from the testa (=protocorm)
3Embryo with pointed shoot apex
4Absorbing hairs are formed on the protocorm surface and one or more leaves emerge
5Embryo with evident root and two or more leaves (=seedling)