soltan

I have many tridents growing, mostly seedlings from what appears to be a grafted trident in the niebours yard, some from nursery stock.
I think my only trouble is leaf burn but I thought I better get some advice.
I recently relised that my shade house was also some how a bit of a hot house and it was no wonder I was getting leaf burn on trees such as tridents and hornbeams. I was blaming my watering and lack of humidity until I got around to checking the temp in variuos parts of the shade house. I found cool parts in the shade house and reshuffled the trees to accomodate. I also lowerd the shelves and added a little more shade cloth. Along with some misting at the hottest part of the day this has helped.
What is a little frustrating is seedlings left in the ground are doing quite well. Except for one semi mature, established tree that I believe was also once a seedling from the nieghbors tree. It died early this year from what seemed like it's second year of leaf burn.
That is where the worry comes from that this is more than leaf burn?
The picture shows a nursery stock tree that obviously got leaf burn and is now in a cooler spot. The new growth has leaves that is common with alot of my tridents at the moment. The new growth has a curling like effect. I have been telling myself this is just new growth with burnt tips wich has caused the deformity. I also worry though that it may be some thing attacking weakend trees (bug disease?). I have found no bugs except for what I believe is a lady bird type bug that I let roam all my trees.
Thanks for any advice.
Brett

Attached Images

trident troubles.jpg (49.3 KB, 155 views)

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