High,
Rye is used for cattle food. Thats why the windmill in my area is grounding it. Food for cattle. So if you live in such a area a good change the rye kind of things are around.
There are was without Rye!!!
Make a solution honey and water (sterile etc), inoculate the solution with spores. Mycelium starts growing. Suck mycelium into syringe and transport it on pasturized or sterilezed wheat straw.
This was just a very simple explanation of a nice methode !!!