Abstract Background Common wheat is a typical allohexaploid species (AABBDD) derived from the interspecific crossing between allotetraploid wheat (AABB) and Aegilops tauschii (DD). Wide variation in grain size and shape observed among Aegilops tauschii can be retained in synthetic allohexaploid wheats. but the underlying mechanism remains enigmatic. Here. https://macorners.shop/product-category/acrylic-shaking-stand/