Wheat is a monocotyledonous plant and a gramineous plant widely cultivated all over the world. The caryopsis of wheat is one of the staple foods of human beings, which can be made into bread, steamed bread, biscuits, noodles and other foods after being ground into flour. After fermentation, it can be made into beer, alcohol, liquor or biomass fuel. Wheat is rich in starch, protein, fat, minerals, calcium, iron, thiamine, riboflavin, nicotinic acid, vitamin A and vitamin C, etc. Wheat is one of the three major cereals, almost all of which can be eaten, and only about one-sixth of which is used as feed. The two river basins are the earliest areas for growing wheat in the world, and China is one of the earliest countries for growing wheat in the world. In 20 10 year, wheat was the second largest grain crop in the world (65 100 tons), second only to corn (844 million tons).