Hi,
I purchased some scions, but I was away when they arrived
.... In total, I think it was a about two weeks (maybe a bit more) from the time they were cut to the moment I worked with them. I thought to myself, "none of these grafts will take...".
The first atemoya variety scions, I just went ahead and grafted them as they were. But then, as I was finishing with that variety, I thought to myself, "these have been out for a long time.... maybe hydrating them in water would help...". So, I did that for the second variety. I left those over 10 minutes on plain tap water.
The grafts for those that I didn't hydrate, the first variety, none of them took! Out of 4 grafts of the second variety, the one that I did hydrate, 3 grafts have taken....
Don't know if this is significant or just casual... but I am hydrating ANY SCION that comes into my hands
Hope this helps someone.