Buckwheat, originated from China, is widely planted in many countries over the world. It belongs to Fagopyrum Gaerth of Polygonaceae, which includes two cultivated species, Common buckwheat and Tartary buckwheat. Due to its great nutrient value and unique medical value, experts predict that buckwheat will become an important crop in the new . century.The genetic diversities of Chinese common buckwheat cultivars and tartary buckwheat cultivars from different regions were evaluated in morphology, cytology, bi...