Lucke O4

Originally cited by Lucke, 1971. Zur Samenkeimung mediterraner Ophrys. Die Orchidee, 22, 62-5.

KH2PO4  300 mg  KNO3  400 mg  Mg(NO3)2 * 6 H2O  110 mg  NH4NO3  370 mg  (NH4)2SO4  60 mg  FeSO4 * 7 H2O  20 mg  Biotin  2 mg  Nicotinic acid amide  50 mg  Pyridoxine  10 mg  Coconut milk  50 ml  Glucose  10 g  Fructose  10 g  Activated charcoal  1 g  Agar  10 g

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