Rye has always been a vital cereal. We wouldn't have our beloved knäckebröd if we didn't have rye. From the Middle Ages to the beginning of the 20th century, rye was the most important cereal in large parts of Sweden. Even today, it is an important cereal, even if other grains such as wheat are grown more today.The history of ryeRye is believed to have originated in Central Asia and has since been grown in many different parts of the world. The cultivated rye belongs to a species complex with wild species and wild species that occur as …