2. Sapphire is a medium-mature variety, which matures in the open field from August to September. After ripening, it does not drop seeds or rot shoots, and can be hung on trees for more than 1 month, which is resistant to storage and transportation. It is easy to form a big spike with a weight of more than1000g, naturally seedless, and the fruit can reach about10g without hormone expansion. The fruit is cylindrical, like a little finger, about 5cm long. The fruit color is blue and black, and the coloring is fast and uniform. Knife cut into pieces, pure flavor, crisp and sweet without residue, soluble solids above 20%, high sugar content in arid and rainy areas, easy to sun into blue-black raisins. Fruit grains are not squeezed or broken, and fruit thinning is labor-saving. The fruit brush is tough, and it is not easy to drop grains after maturity. The output has doubled by using the technology of small dragon stem. It is expected to become the main variety, which has been introduced in China.