Awesomely cool thread and grow,
@pop22 !
Have you ever done on the stem air layering for taking cuttings / clones?
It may give you more time to move the stem tissue to undifferentiated tissue to then root tissue,
while the lateral is still on the plant and thus getting it's nutrients and water.
It's not that hard. Have to select a good branch, though, and prob cut away a couple of nodes of leaves and tertiary laterals.
In the past I had pretty much 100% success rate with this, though my usual clones are almost 100% too, haha.
1. Find a nice lateral or two, over 10cm = 4" long.
2. Cut away most of the nodes leaves and secondary laterals, leaving just two sets at the tip.
3. Very gently rough up the outer layer of the stem (bark).
4. Take some cotton wool, or sphagnum, or whatever, and dip in rooting hormone.
5. Wrap it around the trimmed node area.
6. Use a 5cm = 2" or so wide strip of plastic to cover that in place.
7. Use regular tape to seal top and bottom (esp. bottom, so hormone doesn't run out).
8. Just leave it for a week (maybe 5-10) days.
9. Can remove to check, but it's a hassle, so avoid if no problems.
10. Cut down lateral stem and re-dip in rooting hormone if need be.
11. Plant in your usual clone / seedling mix.
12. Give it the usual care of a clone, i.e. mist at least daily, etc. but in general it will be so fast rooting now in the medium that it won't need it much.
Zing! High success rate from air layering.
I learned this from Clarke's Marijuana Botany, I think.
Worth a play if you haven't tried it before.
Love and hugs,
MJS