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Originally Posted by Degs
thanks Arnie,
I will try the superthrive, i used it on a kiyohimie, which i repotted a month or 2 ago, and i think it helped as its shot out loads of new leaves. heres hoping.
I too thought i moved to much soil, but the soil it was in was like a bog, it was not sifted, it was clumped and not draining at all. plus it came away very easy. If tridents are as vigerous as im being told then im hoping with the mix i used the roots will have good space to grow into along with air getting to the roots.
Il keep a close eye on the watering of this tree. I defoliated all the big lives, id say i have left around 30% on the tree, made up of small leaves and new shoots.
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Degs,
I use Superthrive too. Although I can't say for certain it works, I'm sure it is NOT hurting anything. I have to think it is helpful and is similar to KLN (if you have that in the U.K.). I use it at every re-pot.
From your description, it sounds like the soil was the problem. If it can't get air, the roots won't grow in it, and that seems to be the case.
Truth be known, you may not have had to defoliate, but keep in mind that the tree has to sustain the leaves while the roots are recovering. With the leaves gone, the tree can concentrate its reserve energy to the roots. Once those establish, then it has ample ability to support a new flush of leaves. A partial defoliation can result in the tree NOT signaling the dormant buds to grow. Tridents probably are less-prone to that though. I always completely defoliate maples, but some species are different and, of course, some will not tolerate it at all (like pines). Like so many things in bonsai, defoliation can be a risk, but for situations like yours (and with a trident) I always lean towards defoliation being the right method.
I'm encouraged that you immediately took action. That is a positive mindset to resolve the problem as soon at it can be remedied. Well done. Just remember to give it good follow-up care. 4-6 weeks is about right for the waiting period on fertilizer. When the tree's flush of new growth has extended, you should be fine.
Please keep us updated with its progress.
Warmest regards,
John