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bonsaiTALK Artisan
Join Date: Jun-2005
Location: Columbus, OH
Country: US of A
Posts: 107
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They are probably old needles, all pines loose needles that are three seasons old, or there about. So if they are towards the interior of the branch near the trunk then it is a natural thing. That is the branch lignifying ie turning into old wood.
Without seeing it, its hard to be certain. But this question comes up a lot.
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