I doubt a staple would do that. When was it planted last year? Spring/Fall? Like you said, it looks very dry.
Has it gotten any worse? If it has post a close up of the needles. Also, at the base of the tree, what is the white grey color?
Has it gotten any worse? If it has post a close up of the needles. Also, at the base of the tree, what is the white grey color?