| Developed by H. Thomale 1954 for sowing Paphiopedilum. |
| Original medium as described by Thomale 1954 and 1957. The GD-Thomale medium |
| has stand the test of time and is the base for several modern media for slipper |
| orchids and difficult to germinate hardy terrestrial orchids. This mix contains |
| the original content of the plant growth regulator NAA! |
|
| Instant powder, quantity for desired volume of medium sealed in heavy-duty light-proof |
| plastic bag. To be used immediately after opening. Simple medium preparation: |
| just add the powder to near boiling water, stir to avoid clumping, add water up to final |
| volume, if dispensed into several culture vessels first heat until gelling agent is dissolved, |
| fill into vessels, autoclave and let the medium cool down to be ready for use. |
