Great work Bill! I don't know if you need it, but here is my technique for transplanting these little buggers into 18s. I gently lift on the stem loop to pull it from the medium. If it seems a little tight, I'll take a plastic fork and push it into the medium on each side and wiggle it a bit to free it. I have and 18 and medium at the ready. I then put the loop between my index finger and middle finger and middle finger of my right hand (right handed). I then pick up the 18 using my thumb and the other two fingers. This let me position the seedling suspended in the 18 at the right height. I then use my other hand to take handfuls of medium and shove it between the gaps in my fingers into the 18. I like this method because persimmons will sometimes hit the bottom of the mesh, root prune, and produce laterals and this method keep all the roots pointed downward. If there is no root branching, you can more easily fill the cell first, use an icepick or something to put a void in the medium and then insert the single tap root. However, if the tap root is long this can be more difficult. It took a while but the one handed method worked well once I got the hang of it.
Thanks,
Jack