I messed around with orchid seeds for a little bit. My plan was to use that as a springboard for micropropagation. Orchid supply houses have many pre-mixes for the media. There are also many homemade recipes. They usually have a thickener. Agar is the most common but I have seen recipes with corn starch. They also have a nutrient source, usually mashed bananas but sometimes bizarre things like ketchup. Basically, you make up the media, pour about an inch (25 mm) into each container and then "can" it like you would cold pack apple sauce.
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