Lucke Modified

Originally cited by Anderson, 1990. Asymbiotic germination of seeds  of some North American orchids. In North American native terrestrial orchid propagation and production, ed. C.E. Sawyers, pp. 75-80. Chadds Ford, Pennsylvania: Brandywine Conservancy.

KH2PO4  300 mg  KNO3  400 mg  Mg(NO3)2 * 6 H2O  110 mg  NH4NO3  370 mg  (NH4)2SO4  60 mg  Ferric ammonium citrate  25 mg  Biotin  0.25 mg  Calcium pantothenate  5 mg  Nicotinic acid  10 mg  Pyridoxine  2 mg  Thiamine  5 mg  Coconut milk  50 ml  Glucose  10 g  Fructose  10 g  Activated charcoal  1 g  Agar  6 g

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