通过“七五”重点科技攻关,高粱新品种选育工作取得显著成效。已正式审定推广了10个新良种:辽杂3号、辽杂4号、辽饲杂1号、吉杂56号、吉杂57号、吉杂58号、龙杂1号、晋中405号、鲁粱1号、青壳洋高粱。此外,在高粱育种新进展方面:1.高产育种有突破。增产率达10～15％,如辽杂4号1988～1989年示范3万余亩,亩产均在500公斤以上,高产田 Through “seven five” key scientific and technological research, sorghum breeding new varieties achieved remarkable results. 10 new varieties have been officially approved and popularized: Liaoza No.3, Liaoza No.4, Liao Za No.1, Jigu No.56, Ji No.57, Jishu No.58, Longza No.1, Jinzhong No.405 , Luliang No. 1, green shell ocean sorghum. In addition, new progress in sorghum breeding: 1. Breeding of high-yielding breeds. The rate of increase will reach 10-15%. For example, Liaoza No. 4 demonstrates more than 30,000 mu of land from 1988 to 1989 with a yield of more than 500 kg per mu and a high yield field