This book shows complete work from sawing to post-harvest treatments for one of a popular tropical fruit. Papaya which produces in Sudan as minor fruit crop in this book we show our work to introduce it to the central Sudan and show it potential to be major fruit crop. Also, we evaluate one of introduced hermaphrodite cultivar. In the area of post-harvest we use 1-MCP and biocontrol agent to reduce post-harvest diseases, prolong the shelf-life and retain fruit quality of the papaya fruit.