Hyponex Medium (Nishimura, 1982)

Originally cited by Nishimura, 1982. Japanese orchids. In Orchid Biology II: Reviews and Perspectives. Orchid seed germination and  seedling culture- a manual, ed. J. Arditti, pp. 331-46. Ithaca, New York: Cornell University Press. Bottom four formulae from S. Ichihashi, as per references.

Hyponex (commercial fertilizer)  3 g  Sucrose  20, 30, or 35 g  Peptone or tryptone  2 g  Activated charcoal  2 g  Agar  8, 10, 12, or 15 g

For cattleya:

Hyponex (commercial fertilizer)  3 g  Sucrose  35 g  Agar 15 g

For Dendrobium and Vanda:

Hyponex (commercial fertilizer)  3 g  Sucrose  35 g Apple juice 10-20% of original volume  Agar 15 g

For Cymbidium:

Hyponex (commercial fertilizer)  3 g  Sucrose 35 g  Tryptone  2 g  Agar 15 g

For Paphiopedilum:

Hyponex (commercial fertilizer)  3 g  Sucrose 35 g  Peptone or tryptone  2 g  Agar  8, 10, 12, or 15 g

Sources:

Ichihasi, S. 1968. Major medium used for orchid propagation. In: Pictoral guide of orchid biotechnology (Zukai Ran no Bio Gijutsu). Seibundo Shinkosya, Tokyo, Japan.

Rasmussen, H. Terrestrial orchids from seed to mycotrophic plant. Cambridge University Press, Cambridge. 1995.