Linyitangdao rice varieties are ancient landraces native to Linyin City,Shandong Province,which originally consisted of many different types.In this study,we assessed agronomic and quality traits of three Linyitangdao varieties(Tangdao-1,Tangdao-2,and Tangdao-3),using the rice variety Lindao 10 as the control.The results showed that three Tangdao varieties had poor agronomic and quality traits compared with Lindao 10.All three tested Tangdao varieties showed higher plant height,longer flag leaf length,lower...