There's more grant money available to develop human tissues - so the research is on human tissue and not plant.
There is also the the environment to consider. You mess up a human tissue you kill one human. You mess up a
plant tissue and it gets loose in the wild and you can wipe out a whole species of plants. See American Chestnut Trees.
There is also the the environment to consider. You mess up a human tissue you kill one human. You mess up a
plant tissue and it gets loose in the wild and you can wipe out a whole species of plants. See American Chestnut Trees.