Compared with oranges, Vogan has a longer hanging period and is a typical "late-maturing king" among oranges. In terms of sugar content, it is also much higher than oranges. Vogan also belongs to citrus, which is a late-maturing hybrid citrus variety. Wogan is a hybrid of "Si" orange and "Danxi" red orange. The fruit is medium-sized, oblate, smooth, orange-yellow or orange-red, with small and short juice cells, rich pulp, sweet juice and high nutritional value, which is deeply loved by people. Wogan has strong adaptability, high yield, the sugar content is between 13.5- 15 degrees, the meat is crisp and tender, the harvest period is long, the shelf life is long, and it will not deteriorate after being stored at room temperature for 2 months. Oranges, also known as yellow fruits, oranges and golden rings, are native to Southeast Asia and have a long history of planting and eating. It can be roughly divided into sweet orange, navel orange, blood orange, sugar orange and red orange. Among these oranges, sweet orange is the most common, and there are different kinds of sweet oranges, such as sugar orange, red navel orange, Sunkist orange and summer orange.