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Chinese Scientists Made Glowing Plants with Firefly DNA to Replace Streetlights
(www.zmescience.com)
This is a most excellent place for technology news and articles.
IP in plant breeds is a thing unfortunately. Furthermore these traits are often created by radioactive or chemical procedure and don't replicate into the seeds.
It is theoretically possible to clone or propagate the plants, although it would be against the terms, so definitely don’t do this and give them away