rockm
Spuds Moyogi
"Can anyone suggest how to get the main body to become more woody?"
Time...
It just takes time for bark to mature. Allowing the tree maximum root run (in ground) can accelerate the process, but if you're in a temperate zone area, that's impossible with this species.
"Also what does taking the leaves off do?"
At this point, for you, since you want more mature trunks, nothing-- except slow the development of the trunks. With trees in more advanced stages of training, leaf pruning can stimulate the production of more twigs on branches--ramification.
Time...
It just takes time for bark to mature. Allowing the tree maximum root run (in ground) can accelerate the process, but if you're in a temperate zone area, that's impossible with this species.
"Also what does taking the leaves off do?"
At this point, for you, since you want more mature trunks, nothing-- except slow the development of the trunks. With trees in more advanced stages of training, leaf pruning can stimulate the production of more twigs on branches--ramification.