I rooted cuttings in baggies with 100% perlite last year. Despite being 100% perlite, my first batch was decimated by gnats. The second batch I had considerable problems trying to remove the rooted cuttings from the bags. I ended up cutting the bottoms of the sleeves while trying to hold the rootball together. I put it into my container and surrounded the still entombed rootball with growing mix, then pulled up on sleeve. I still had difficulties. I think if I had to do it over, I would cut slits in the sleeve and transplant it whole. Later, when the tree has had time to grow sturdier roots, bare-root and repot.
My preference is to root in a modified version of my regular growing mix. I do not put nearly as much expanded shale so the weight does not hang on the new roots when transplanting.
Good luck