So this tree was collected last fall, made it fine through the winter and was repotted in bonsai substrate in late April, when the buds were starting to show some green. It spent about two weeks in a shady spot, protected from the wind, and then I moved it around 10-12 days ago to a sunnier spot (around 5-6 hours of mostly morning and midday sun). Does this look like sun burn to you, or could it be another problem? It is affecting the first needles to come out, in the the top of the tree, while the newer ones (mostly lower branches) look just fine.
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