Reed millet, or reed millet, is called sugar sorghum, also called reed, millet, reed millet, sweet straw, sweet stalk, sweet sorghum and sorghum sugarcane. It is a variety of sorghum, and its appearance is similar to sorghum. There are generally two kinds: red and green. Especially when I was a child, the weak stems were dotted with a few tender leaves, and the stems were slightly better than sorghum and corn.

More than 70 varieties have been collected in China. Most of them belong to early-maturing varieties, the plant height is generally about 250cm, the height is more than 3 m, the sugar content is 5- 17%, and some varieties reach more than 20%.

For example, the purple reed is a local variety in China and Shanghai, which is late-maturing, does not heading in Beijing, has a plant height of more than 3m, a high biomass and a brix of about 22%. There are more than 170 Jinya sweet sorghum varieties in China and Beijing.

Tianza 1 is a hybrid between China 7504 sterile line and Leo. The heterosis is very strong, the plant height is more than 3 meters, and the grain yield is as high as 6000 kilograms per hectare. The brix is 65438 05%, and the yield of fresh stems per hectare is about 60t.