Citrus Orange

Oranges are an important Nutritional source for human health and have immense economic value. Citrus Orange orange-yellow colour, gratifying Fruit savory, harmonious sourness and sweetness, soft taste, flavor is rich and generous.Citrus is believed to be native to southeast Asia, and cultivation of fruit crops occurred in China at least 4,000 years ago.Citrus is a large genus that includes several major cultivated species, including Citrus sinensis (blood orange), Citrus reticulata (tangerine and mandarin), Citrus limon (lemon), Citrus grandis (pummelo) and Citrus paradisi (grapefruit).citrus fruits and juice are the prime human source of vitamin C, an important component of human nutrition.citrus-unique characteristics have hindered the study of citrus genetics and breeding improvement. Complete genome sequences would provide valuable genetic resources for improving citrus crops.