The AFL appeals board on Wednesday night dismissed Port Adelaide's challenge of Byron Pickett's six-game suspension, meaning the original penalty stands.

In a new hearing lasting almost two hours, Port argued Pickett's hip and shoulder on Adelaide's James Begley was reckless instead of intentional and that contact was of a high scale and not severe.

But appeals board chairman Peter O'Callaghan ruled the tribunal had made the correct finding last week, and dismissed Port's appeal.

Pickett, the reigning Norm Smith medallist, will miss the first five home and away rounds because his side is out of the pre-season Wizard Cup.

Pickett, who was found guilty of rough conduct, has already served one game of his suspension.

Pickett did not attend Wednesday night's hearing, which was dominated by heavy legal debate from both sides.

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