Wheat is one of the most important cereal crops in the world, and there are many varieties of wheat. Spelt, EMMER, Duru, and Durum are all varieties of wheat. Spelt is an ancient grain that has been cultivated for thousands of years, and is known for its nutty flavor. EMMER is an ancient variety of wheat that is still grown in some parts of the world today. Duru is a type of wheat that is used to make bulgur, a popular Middle Eastern dish. Durum is a hard wheat variety that is used to make pasta.