Oranges. Oranges appear whenever death is in the air: When the Godfather gets shot in the street, he's buying oranges, which scatter on the ground as he falls. When Vito dies at the very end, its while peeling an orange and putting the rind in his mouth to make funny faces at his grandson.
The Godfather: Oranges - Shmoop
www.shmoop.com/the-godfather/oranges-symbol.html