Akbari pistachio is an open mouth pistachio cultivar with a darker shell compared to other types of Iranian pistachio and it is famous for its perfect taste. It is also known as long pistachio and a late-bearing fruit and its harvesting time is late September. The kernel is green and its skin is stained and dull. We classify Akbari pistachio based on its size in the following categories(pcs/Oz): 18-20/ 20-22/ 22-24