辽宁省种稻历史悠久，水稻育种工作早在本世纪初就已开始。自1973年成立辽宁省水稻区试协作网以来，广大育种工作者以高产、优质、多抗为育种目标，先后开展了系统育种、品种间杂交育种、汕粳亚种间杂交育种、株形育种、优质育种、理想株形与有利优势相结合的高产及超高产育种? Rice planting in Liaoning Province has a long history of rice breeding as early as the beginning of this century has begun. Since the founding of the Liaoning Provincial Association of Rice Regional Trial Network in 1973, the majority of breeding workers have been breeding high-yielding, high-quality, multi-resistance breeding systems and have conducted systematic breeding, cross breeding among varieties, cross-breeding between Shanyi Japonica subspecies and plant breeding , High-quality breeding, the ideal plant shape and the advantages of combining high yield and high yield breeding?